JP5264644B2 - Seaweed block, pedestal on which the seaweed block is installed, structure incorporating the seaweed block, and seaweed bed construction method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a small-sized porous substrate allowing a fisherman or an ordinary person to easily transport with a fishing boat to a place including adhesion requirements such as depth of water, illumination and wave strike in a mature stage of seaweed so as to perform substrate construction in the water, enabling secure adhesion and growing of embryo, gametophyte and sporophyte, and enabling creation of a seaweed bed by transferring to a desired place after adhesion and growing of embryo, gametophyte and sporophyte. <P>SOLUTION: This small-sized porous substrate 1 includes a porous block body 5 formed by fixing an aggregate 2 and concrete mortar 3 to each other with a bonding material 4 such as an iron fiber, a synthetic fiber, and a natural material fiber, piling the product in an almost pyramidal shape, and forming an external surface in an uneven form so as to have water permeability. The porous block body 5 has a hollow part 6 opening toward a bottom side, and is piled on bottom metal fittings 7. Handles 8 are attached to the sides of the bottom metal fittings 7, and a connection metal fitting 9 whose both ends project to the outside of the bottom metal fittings 7 is fixed on the lower surface of the bottom metal fittings 7. <P>COPYRIGHT: (C)2011,JPO&amp;INPIT

Description

The present invention can be easily carried by fishermen and ordinary people by fishing boats and subsidized to a place with conditions such as water depth, illuminance, and wave perception during the mature period of seaweed for the purpose of multiplication, The seedlings, gametophytes, and spores can be established and grown reliably. After the seedlings, gametophytes, and spores are grown and grown, they are transferred to the desired location to create a seaweed bed. seaweed blocks can, pedestal installing the seaweed block, about structures and seaweed bed reclamation methods incorporating seaweed block.

  Conventional seaweed breeding blocks are industrial products with uniform standards, dimensions, shapes, etc., and are designed mainly for durability, wave resistance, coastal stability, etc. Was common. For this reason, the seaweed block was produced by a construction company and installed in the sea area using a work boat and a large machine.

  And since the seaweed block installed in the sea area is installed within a predetermined construction period, it is constructed regardless of the maturity period of the seaweed to be proliferated, or the seaweed that is the target because the sea condition is an obstacle There were inconveniences such as missing the maturity period, working boats could not be moored in shallow sea fishing grounds due to aging, etc., and the construction water depth was too deep due to sinking offshore. For these reasons, seaweeds that have grown after installation have grown unintended, or when the fishing grounds are deep, the seaweeds have become difficult to grow over time.

  On the other hand, small seaweed blocks have also been developed and installed, but after they are installed in the fishing ground, they move, fall, break, bury in sandy areas due to waves and swells, etc. There were many cases where the seaweed settlement function of small seaweed blocks was not reduced or exhibited, such as dominance.

In addition, seaweed blocks are required to have uniform quality and ease of manufacture as industrial products, and shapes such as pyramids that are easy to form have been adopted.
However, when pyramid blocks are installed in sand regardless of the depth of the water, scouring occurs where the pyramid blocks with heavy specific gravity are buried in the sand due to the effects of waves, etc. It is pointed out that the conditions and shape are unfavorable for the growth of seaweeds, such as peeling off living organisms that have been attached to the surface and depositing mud on the flat top surface of the pyramid block.

In addition, even if the installed seaweed block is small or large, even if the algae 's settlement function declines due to biofilm etc., maintenance such as recovery and re-installation of the seaweed block is not considered, and it was installed in the fishing ground The regeneration of seaweed blocks has been left to nature.

  On the other hand, the cause of the extreme phase of seaweeds, which are said to be burnt in northern Japan, is thought to be mainly due to lack of nutrients due to water temperature rise and feeding pressure of vegetative animals such as sea urchins and snails. Yes. In other words, as the seawater temperature rises, a water-climbing layer is formed, and seawater containing deep nutrients is not supplied to the surface layer, resulting in an oligotrophic state, creating an environment in which seaweeds are difficult to grow even on winter coasts where the water temperature falls . On the other hand, the rise in water temperature activates the feeding behavior of herbivorous animals, and it is thought that the decline and disappearance of seaweed beds due to food pressure will become more serious.

In addition, seaweeds do not grow or grow even if the seaweed grounds are constructed, in addition to the above-mentioned rise in seawater temperature, poor nutrition in the sea area, feeding pressure of herbivores, and other seaweed block surfaces. If the biofilm is dominantly covered, the joined seaweeds cannot settle, the construction period does not match the mature ecology of the target seaweed, and the young embryos, gametophytes, and spores do not settle, the sedimentary sand mud covers the attached surface This can be caused by suffocation, outflow or incarnation of the juveniles, and the deep water depth of the seaweed block is insufficient.

Excluding the artificially uncontrollable water temperature rise and poor nutrition among the causes of the burning phenomenon, the problems to be solved can be narrowed down to the following points.
Organized by removal of biofilm and renewal of seaweed blocks , damage by herbivores, seaweed maturation and construction time, improvement of seaweed block shape, adjustment of installation time and water depth.

Regarding the seaweed block renewal and the damage of herbivorous animals, for example, as a method for regenerating large seaweeds in a salmon-burning fishing ground, a method of removing sea urchins that are herbivores at the time when the seaweeds grow, , Seaweed block renewal that restores the seaweed habitat by removing biofilms attached to the seaweed block (dominant organisms that prevent the growth of miscellaneous seaweeds and seaweeds intended for growth) The effectiveness of cleaning and peeling of the physical seaweed block surface has been confirmed and implemented in some areas.
However, the seaweed block renewal methods such as diving sea urchin removal and chain swinging to control food damage performed locally were extremely inefficient and expensive. In addition, the seaweed block renewal method carried out by specialists as a weed control business uses a large work boat to remove the stones and seaweed blocks attached to the seabed, but the original seaweed grows a few years after construction. There were also problems such as returning to a state in which seaweeds did not grow, construction costs were high, and it was difficult to continue to be adopted as a subsidized project.

In addition, regarding the damage of the vegetation animals and the shape of the seaweed block , for example, since the conventional seaweed block is formed by a concrete mold, the block surface forms a smooth surface of the flat mold, and the seaweed is attached to the surface of the block. When born, vegetation animals such as sea urchins and snails that use it as a feed are easy to move and feed, and the seaweed that has grown may be eaten out early in germination.
Furthermore, in order to widen the effective area on which seaweeds grow, flat top shapes such as a quadrangular pyramid and a trapezoidal pyramid are adopted, and there are also cases in which porous concrete is attached in a plate shape on this top surface.
However, when seaweeds settle, turbidity is generated in coastal waters due to rolling up of the seabed sediment and river discharge due to aging, and this turbidity settles on the seabed along with the calming of the waves, resulting in seaweed blocks and porous concrete. Sand mud particles may accumulate on the top surface of the soil. These accumulated sand mud repeats wiping and sinking due to waves, but in the case of porous concrete where the top of the seaweed block is flat, sand mud is likely to stay on the flat surface and voids, so it will be difficult to wipe off, so the buds immediately after settlement will be buried. In some cases, the seedlings of seaweeds could not be seen due to suffocation or weak buds flowing out with sand and mud.

Furthermore, the concrete seaweed block is adopted as a seaweed block- building seaweed block in a coastal reef area using its weight. On the other hand, there was an idea of making the sandy fishing ground into a reef area and using it effectively, and a concrete seaweed block similar to the reef was sometimes installed.
However, in shallow water for the purpose of the growth of seaweeds, the reciprocating wave is accompanied by the movement of water molecules, so that it hits the block wall surface on the sand surface and the sand at the base of the block flows out. Gradually buried in the sea floor, and gradually buried in the place where the sand layer was deep and disappeared from the sea floor.

As a prior art of this type, there is, for example, Patent Document 1, which is a base made of solid concrete and an attachment made of three porous concretes detachably mounted on the upper surface thereof. The present invention provides a structure for creating a seaweed bed composed of a raw substrate.
And the seaweed place construction method using this structure for seaweed place construction is a seedling seaweed larvae and gametophyte, while the main seedling is a natural seedling as a spore body, After the spore body has settled, it is relocated, and the next seedling substrate is installed, so that seedlings are collected a plurality of times in one season.
However, at least several months are required until the spores grown by natural seedling can be observed with the naked eye, and it is highly likely that seedling in a natural fishing ground will be limited to one or two times per season. In addition, confirmation of seaweed growth needs to be done by diving observation or by lifting heavy porous concrete, so improvement in work efficiency cannot be expected.

  Furthermore, this technique requires two concrete structures at the source and destination. In other words, the structure cannot be maintained even if it is submerged on the sea floor without removing the substrate from the porous concrete, so this structure requires two dedicated structures for the source and the destination. . Therefore, it is considered that administrative expenses, material costs, installation costs, etc. will be high, and specialists will also be required for relocation.

  The concrete structure shown in the drawing of Patent Document 1 has a leg shape suitable for a reef area, and when this leg shape is installed on sandy land, it is predicted that scouring of the sandy seabed will be facilitated and will be buried in a short time. Is done. In addition, even if it is not completely buried, it is not possible to secure the height of the settlement base and the bottom of the sea, and it is difficult to transport sand, settling, staying, and hitting by waves, thereby inhibiting the biological growth function. Is concerned.

  Furthermore, the porous concrete substrate shown in the drawing of Patent Document 1 is estimated to be a heavy article of several hundred kg from the number of divisions, and is not a weight that can be easily moved by a small fishing boat or the like. In addition, it is difficult to perform the installation work only on board because the concrete structure of the transfer destination where the structure for constructing the seaweed bed is installed is complicated, and it should be constructed by fishermen and ordinary people who are the managers of the facility. Seems difficult.

As a prior document of this kind and the prior art, there is further Patent Document 2, which is a method of connecting small substrates vertically and horizontally. When this method is implemented in the open sea reef area, a small substrate of several tens of kilometers is rolled up from the end of the facility by waves and undulations, and it is difficult to fix the facility only by connection, and a heavy substrate of 300 kg or less has a bottom sediment. Since underwater connection is difficult due to the construction of uneven rocky areas, Patent Document 2 is considered to be a method that substantially assumes the installation of sandy bottom sediment.
In addition, in this small block connection method, it is considered that the concept of substrate renewal and the recovery of substrate on land to do this are not considered.

Assuming installation on a small fishing boat based on the above contents, it seems that this is a method that allows a small substrate of several tens of kilometers to be connected and installed by diving work on the sandy seabed where connection work is easy.
However, when the pyramid block is installed on sand, as described above, scouring occurs in which the pyramid block with a high specific gravity is buried in the sand even if it has a light mass, and the sand that has been soared by the waves shoots into the block. It is pointed out that the conditions and shape are unfavorable for the growth of seaweeds, such as peeling off living organisms that have been attached to the surface and depositing mud on the flat top surface of the pyramid block.
Also, even if the installed seaweed block is small or large, even if the epiphytic function of the seaweed block is reduced due to biofilm, recovery and re-installation of the seaweed block is not taken into consideration, and regeneration of the seaweed block installed in the fishing ground is natural It seems to be entrusted.

Further, Patent Document 2 describes a method of connecting to a cubic block of porous concrete in four directions via a fixing ring and a connecting ring. The block connection method has not been a new method since there has been a connection method for river revetment blocks for a long time.
In addition, small and lightweight porous blocks are connected vertically and horizontally to form a surface structure to obtain the entire fixing force, but this method cannot be fixed unless the area is quiet, such as an inner bay. On the coast facing the open ocean, it is a fixing method that tends to cause damage to the facility, such as the facility being hit from both sides of the offshore by waves coming from offshore.
When fixing by a simple method, facilities can be fixed by using buried anchors for anchors and sand used for fishing gear and anchor pins for rocky reefs.

Furthermore, in patent document 2, the connection ring (JIS standard shackle) is employ | adopted as the method for connecting the fixing ring of each block by diving work in seawater environment.
This shackle material seems to correspond to JIS Standard (JIS-B2801-1977). Shackles are on land, and strength is required from the viewpoint of ensuring the safety of construction in terms of working load, tensile strength, breaking load, etc., and the strength has been announced.
On the other hand, many steel materials used in block production and the like are SS400 steel bars, and are soft materials that emphasize formation processing as compared to JIS-B2801, and therefore the fracture strength is low. If steel materials with different code numbers in seawater are connected or accidentally left in contact with each other, a potential difference is generated by the seawater of the electrolyte, and electric corrosion occurs. Due to this electrolytic corrosion, either one of the metal corrosions progresses and becomes thin while it is a steel rod, and if it is early, it may be damaged in several years.

  Similarly, stainless steel fittings may be used in seawater because rust is not seen on the surface. For example, SUS-304φ25mm is used in the anchor block, and the result of lifting about 10 years later is innumerable inside the round bar. All cultured blocks were discarded because gallic erosion was observed. This is because SS400 steel bars are arranged as reinforcing material inside the block, and a large potential difference is caused by contact of this part with the stainless steel fitting.

As a method for preventing such a potential difference from occurring in the sea, there is a method of using the same metal such as SS400 material. However, in the case of a member that requires a use load or breaking strength such as a shackle, the SS-400 material etc. is small because it is manufactured by a custom order. Lots are expensive.
A simple method for preventing electrolytic corrosion is a material that does not cause a potential difference, for example, a method of preventing galling with a metal with a rope and connecting and securing the material.

  In this Patent Document 2, a square block is adopted. However, as described above, it is pointed out that when the upper part is a flat block, the sedimented mud is hard to be wiped off by waves, and is therefore disadvantageous for the growth of seaweeds. It is not a method that understands and applies the ecology and habitat of living organisms.

JP 2006-25720 A JP 2006-067952 A

  As described above, the conventional technique has various problems to be solved, and there are also problems to be solved for Patent Document 1 and Patent Document 2.

In view of the above situation, the present invention is grown to a location with a settlement conditions such as water depth, intensity, wave per maturity seaweed intended for fishermen and the general public is the sinking and easily transported by vessels It is possible to carry out and grow seedlings, gametophytes, and spores with certainty. After the seedlings, gametophytes, and spores have grown and grown, move them to the desired location. An object of the present invention is to provide a seaweed block capable of creating a seaweed bed, a pedestal on which the seaweed block is installed, a structure incorporating the seaweed block , and a method for creating a seaweed bed.

In order to solve the above problems, the present invention provides the following configurations.
The invention according to claim 1 is a seaweed block for setting and growing seaweed,
A plurality of aggregates having a predetermined size are provided with a porous block body formed by adhering and laminating each other with concrete mortar and a bonding material, and the porous block body has an outer surface formed in an uneven shape. The present invention provides a seaweed block characterized by having a hollow portion formed so as to have water permeability and opening toward the bottom surface side .

The invention according to claim 2 provides the seaweed block according to claim 1, wherein the bonding material includes at least one of iron fiber, synthetic fiber fiber, and natural material fiber.

The invention according to claim 3 provides the seaweed block according to claim 1 or 2, wherein the porous block body is formed in a substantially pyramid shape, a substantially conical shape, or a bowl shape. To do.

The invention according to claim 4 is characterized in that the porous block body is laminated in a mold and on the mold or on a bottom metal fitting, and is fixed to the mold or the bottom metal fitting, A handle that protrudes obliquely upward and outward from the mold or bottom bracket is attached to the side of the mold or bottom bracket, and both ends of the mold frame or bottom bracket have a predetermined length on the outside of the mold or bottom bracket. 4. A seaweed block according to any one of claims 1 to 3, wherein a protruding fitting is fixed.

According to a fifth aspect of the present invention, the porous block body is formed so as to be laminated in and on the mold and fixed to the mold, and to be connected to the mold with the other. and joint device for connecting a welding fitting, and / or other for welding according to any one of claims 1 to 3, characterized in that is provided projecting outwardly from said mold A seaweed block is provided.

According to a sixth aspect of the present invention, one or a plurality of the porous block bodies are fixed on a base, and a welding fitting for welding to be connected to the side of the base is connected to the side of the base. The seaweed block according to any one of claims 1 to 3 , wherein the seaweed block is provided so as to protrude outward from the portion.

According to a seventh aspect of the present invention, the porous block body is formed so as to be laminated in the mold frame and on the mold frame, and fixed to the mold frame. And a plurality of porous block bodies having the mold and the handle are attached to the mounting mold body, and the outer side of the mounting mold body protrudes outward by a predetermined length. The seaweed block according to any one of claims 1 to 3 , wherein a plurality of mounting brackets are fixed.

According to an eighth aspect of the present invention, the porous block body is formed in a semi-cylindrical shape, and bonding plates for bonding to the other are fixed to both side end portions of the semi-cylindrical type. The seaweed block according to claim 1 or 2 is provided.

The invention according to claim 9 forms a cylindrical porous block body by combining the two semicylindrical porous block bodies facing each other by joining the joint plates of the seaweed block according to claim 8. The present invention provides a seaweed block characterized by the above.

The invention according to claim 10 is a mounting portion for mounting the seaweed block according to any one of claims 1 to 9, a leg portion that supports the mounting portion, and the leg portion. An open / close-type anchor or fixed plate anchor for mooring the leg to the seabed, and the leg are disposed at the bottom, and when the leg is buried to a predetermined depth in sandy ground, the embedding is stopped. Provided is a pedestal on which a seaweed block is provided, characterized in that it is provided with a burying prevention plate and a blow-off space structure through which waves and flows pass.

The invention which concerns on Claim 11 provides the structure incorporating the seaweed block characterized by incorporating the seaweed block described in any one of Claims 1 to 9 into a new or existing structure. is there.

The invention according to claim 12 is characterized in that one or more seaweed blocks described in any one of claims 1 to 9 are united into a seaweed community place or connected to each other at the seaweed maturity stage and are injected into the sea, seaweed young embryos and gametophytes of the seaweed block, after the sporophyte is epiphytic-growth, pulling the seaweed block to just under the surface, moving the underwater in the seaweed block relocated into the sea in a predetermined location The present invention provides a method for constructing a seaweed bed using a seaweed block for growing seaweed .

The invention according to claim 13 is the one or more seaweed blocks according to any one of claims 1 to 9, wherein the seaweed block is united or connected to the seaweed community place at the seaweed maturity stage, and is injected into the sea. A seaweed block for growing seaweed on the seaweed block by transferring the seaweed block on a pedestal installed in a sandy sea under the seaweed block after growing and growing seaweed embryos, gametophytes, and spores on the seaweed block The present invention provides a method for creating a seaweed bed.

According to the invention described in claim 1 of the present invention, a fisherman or a general person can easily carry by a fishing boat to a place where the seaweed for the purpose of breeding has a growing condition such as water depth, illuminance, and wave perception. It is possible to provide a seaweed block that can be set up, and can be transferred to a desired place after a young embryo, gametophyte, or sporophyte has grown and grown to create a seaweed bed. it can.
In addition, since the outer surface of the porous block body is formed in a concavo-convex shape, it is possible to protect and regenerate the grown and grown seaweed adhering device and the growth point from the carnivorous animals.

  According to the second aspect of the invention, in addition to the effect of the first aspect of the invention, the aggregates can be joined with a predetermined joining force.

According to the invention described in claim 3, in addition to the effect of the invention described in claim 1 or 2, the porous block body has a substantially pyramid shape, or a mountain shape such as a substantially conical shape or a bowl shape. Since it is formed, the sand mud is less likely to stay, the sand mud is easily wiped off by the waves, and the function of the porous surface is easily restored, so that the seaweed growth conditions can be improved.
The mountain-shaped seaweed block can be prevented damage to sand rolled up by the waves is nailed to seaweed block, the effect of protecting the top portion by the height difference between the mountain-structure is obtained.
In addition, seaweed blocks that are slightly higher in shape from the bottom of the sea can be controlled by using the flow rate that passes through the feeding behavior of seaweed sea urchins and snails compared to just above the sea floor, resulting in slower feeding damage and adhesion of seaweed in the recesses. Can protect the vessel (root) from damage caused by herbivores such as sea urchins, that is, leave a mechanism for the leaf body to grow and regenerate from the growth point at the top of the appendage, resulting in survival and growth of seaweeds. The effect of promoting growth is likely to be obtained.

According to invention of Claim 1 , in addition to the effect of said invention, a hollow part can also feed algae by putting inorganic fertilizer etc. in the dwelling place of a small animal, a hideout, or a hollow part.

According to the invention described in claim 4 , in addition to the effect of the invention described in any one of claims 1 to 3 , the porous block body can be held by the mold or the bottom metal fitting. A handle can be attached to the bottom bracket, and the porous block body can be moved while holding the handle, and can be connected to other objects by tying a rope or the like to the handle. The metal fitting can attach and fix the porous block body to another structure or the joint metal fitting.

According to the invention described in claim 5 , in addition to the effect of the invention described in any one of claims 1 to 3 , the formwork or the bottom metal fitting can hold the porous block body, It is possible to weld to other structures or metal fittings by welding, and the joint metal fittings can be fixedly attached to other structures or metal fittings.

According to the invention described in claim 6 , in addition to the effect of the invention described in any one of claims 1 to 3 , the base can be fixed by placing one or more porous blocks. The welded metal fitting can be connected and attached to another base or structure by welding.

According to the seventh aspect of the invention, in addition to the effect of the invention according to any one of the first to third aspects, the plurality of porous block bodies can be attached by the attachment mold body, and the other can be provided by the attachment metal fittings. It can be connected and attached to the structure.

According to the invention described in claim 8 , in addition to the effect of the invention described in claim 1 or 2, utilization to structures such as fish reef can be expected.

According to the ninth aspect of the invention, in addition to the effect of the first or second aspect of the invention, it can be expected to be used for structures such as fish reefs.

According to the invention of claim 10 , the seaweed block can be installed in the sand, and since it can be manufactured to be lightweight, it is easy to carry, and the blowout space structure is further openable without being damaged by the scouring phenomenon. The anchor or the fixed anchor plate can be securely moored on the sea floor, and the burying prevention plate can provide a pedestal that is not buried due to its own weight or scouring.

According to the invention described in claim 11, the structure according to the place where the seaweed bed is constructed is manufactured, and the seaweed block described in any one of claims 1 to 9 is incorporated therein. It is possible to create a relatively large algae basin or a wide variety of algae basins according to the location where the algae basin is to be created.

According to the twelfth aspect of the present invention, the seaweed block can be deposited by being transported to a place having a growing condition such as water depth, illuminance, and wave perception during the seaweed maturation stage, and the embryo and mating can be reliably After the body and spore body are grown and grown, the seaweed leaf body grown can be transferred to a desired place without damaging it, and an algae field can be created.

According to the invention of claim 13 , the seaweed block in which the young embryo, gametophyte, and spore are reliably grown and grown in the seaweed community location is transferred to the pedestal installed in the sand, and the seaweed bed is placed in the sand. Can be created.

(A) It is a top view of the pyramid type seaweed block of this invention. (B) It is a front view of the pyramid type seaweed block of this invention. (C) It is a bottom view of the pyramid type seaweed block of this invention. (D) It is a raw material enlarged view of the porous block body of the pyramid type seaweed block of this invention. (E) It is a perspective view of the pyramid type seaweed block of this invention. (A) It is a top view of the starting frame of the pyramid type seaweed block of this invention. (B) It is a side view of the starting frame of the pyramid type seaweed block of this invention. (C) It is a top view of the bottom metal fitting and joining metal fitting of the pyramid type seaweed block of this invention. (D) It is a side view of the bottom metal fitting and joining metal fitting of the pyramid type seaweed block of this invention. (E) It is a front view of the bottom metal fitting and joining metal fitting of the pyramidal seaweed block of the present invention. (F) It is a perspective view which shows the state which combines a raising frame with the bottom metal fitting of the pyramid type seaweed block of this invention. (A) It is a top view of the pyramid type seaweed block of the modification of this invention. (B) It is a front view of the pyramid type seaweed block of the modification of this invention. (C) It is a bottom view of the pyramid type seaweed block of the modification of this invention. (D) It is a raw material enlarged view of the porous block body of the pyramid type seaweed block of the modification of this invention. (E) It is a perspective view of the pyramid type seaweed block of the modification of this invention. (A) It is a top view of the formwork and joining metal fitting of a pyramid type seaweed block of the modification of this invention. (B) It is a side view of the formwork and joining metal fitting of a pyramid type seaweed block of the modification of this invention. (C) It is a front view of the formwork and joining metal fitting of a pyramid type seaweed block of the modification of this invention. (A) It is a top view which shows the state which connected two pyramid type seaweed blocks of this invention. (B) It is a perspective view which shows the state which connected two pyramid type seaweed blocks of this invention. (A) It is a top view of the conical seaweed block of this invention. (B) It is a front view of the conical seaweed block of this invention. (C) It is a bottom view of the conical seaweed block of this invention. (D) It is a raw material enlarged view of the porous block body of the conical seaweed block of this invention. (E) It is a perspective view of the conical seaweed block of this invention. (A) It is a perspective view which shows the state which installed and fixed the pyramid type seaweed block of this invention in the reef area. (B) It is a perspective view which shows the state which installed and fixed the conical seaweed block of this invention in the reef area. (A) It is a front view which shows the state which has loaded the pyramid type small seaweed block of this invention by the operator's hand loading. (B) It is a front view which shows the state which is carrying out the machine loading of the pyramid type seaweed block of this invention. (C) It is a front view which shows the state installed from shipboard in the state which connected the pyramid type seaweed block of this invention. (D) It is a front view which shows the state which throws in the pyramid-type seaweed block of this invention for every single unit from the ship, and the diver is organizing. It is a front view which shows the transfer state of the pyramid type seaweed block of this invention. (A) It is a perspective view of the hook metal fitting of this invention. (B) It is an expansion perspective view of the hook metal fitting of this invention. (C) It is a front view of the hook metal fitting of this invention. (A) It is a front view of the base of this invention. (B) It is a top view of the base of this invention. (C) It is a perspective view of the base of this invention. (A) It is a front view which shows the manufacture and conveyance state of the base of this invention. (B) It is a front view which shows the installation state of the base of this invention, and the transfer state of the seaweed block . (A) It is a front view which shows the conveyance state of the base which installed the seaweed block of this invention. (B) It is a front view which shows the state which installs the base which installed the seaweed block of this invention in sandy ground, and the installation state of a spore bag. (A) It is a top view of the base of the modification of this invention. (B) It is a front view which shows the example of installation of the base of the modification of this invention. (A) It is the front view, top view, and side view of a seaweed block which installed the porous block body of this invention in the attachment mold body. (B) It is a perspective view which shows the state which attached the seaweed block which installed the porous block body of this invention in the attachment mold body to the existing facility. (A) It is a front view of the vertical seaweed block of this invention. (B) It is a side view of the vertical seaweed block of this invention. (C) It is a perspective view of the vertical seaweed block of this invention. (A) It is a front view of the pyramid type seaweed block of this invention. (B) It is a side view of the pyramid type seaweed block of this invention. (A) It is a front view of the semi-cylindrical seaweed block of this invention. (B) It is a side view of the semi-cylindrical seaweed block of this invention. (C) It is a perspective view of the cylindrical seaweed block of this invention.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings showing examples.

In FIG. 1, 1 shows the seaweed block of Example 1 of the present invention, and the seaweed block 1 is composed of a plurality of aggregates 2 having a predetermined range of sizes by a concrete mortar 3 and a bonding material 4. The porous block body 5 includes a porous block body 5 that is fixed and laminated, and the porous block body 5 has an outer surface formed in an uneven shape and has water permeability.

The bonding material 4 includes at least one of iron fiber, synthetic fiber fiber, and natural material fiber.
The porous block body 5 is formed in a substantially quadrangular pyramid shape as shown in FIG. 1, but is not limited to a substantially quadrangular pyramid shape. You may form in various shapes, such as a shape. However, in principle, it is formed in a mountain shape.
Then, the mountain-shaped stacked portion is manually stacked to maintain and secure large gaps and uneven shapes.
The porous block body 5 has a hollow portion 6 that opens toward the bottom surface side.

  The porous block body 5 is laminated on a bottom metal fitting 7 formed on a square-shaped metal plate and is formed so as to be fixed to the bottom metal fitting 7. A handle 8 that protrudes obliquely upward is attached, and a joining bracket 9 is bonded to the bottom surface of the bottom metal fitting 7 for joining to the outside of the bottom metal fitting 7 with both ends projecting a predetermined length.

Thus, the production method of the seaweed block 1 will be described. First, on the work table (not shown), the bottom metal fitting 7 shown in FIG. 2 having the joining metal fitting 9 fixed to the lower surface and the handle 8 attached to the side is provided. On the bottom metal fitting 7, a plurality of aggregates 2 having a size within a predetermined range are mixed and kneaded by mixing the concrete mortar 3 and the bonding material 4, and solidified by stacking. At this time, the porous block body 5 and the bottom metal fitting 7 are fixed.
The hollow portion 6 in the interior is formed in a convex shape by encasing a predetermined volume of sand and attaching a newspaper or the like wetted with water to the surface to enclose the sand. As a result, after the seaweed block 1 is solidified, the sand falls off when the mold is removed, and a hollow portion 6 is formed inside. By this method, the weight adjustment of the seaweed block 1 can be easily performed. Further, the newspaper or the like at the time of formation remains attached to the hollow wall surface, but it can be washed away with running water, and the remaining paper piece is decomposed in the installed water.

Figure 3 is shows a seaweed block 21 of a modification of the seaweed blocks (1 In Figure 1), seaweed block 21, instead of the bottom plate (7 at 1), wherein A mold 22 having a shape in which a rising frame is formed is provided on the four sides of the bottom metal fitting (7 in FIG. 1).
FIG. 4 shows the mold 22, the handle 8 attached to the mold 22, and the joint fitting 9.
Thus, the method for producing the seaweed block 21 will be described. First, on a work table (not shown), a mold 22 in which the joining metal fitting 9 is fixed to the lower surface and the handle 8 is attached to the side as shown in FIG. The concrete mortar 3 and the bonding material 4 are mixed and kneaded into a plurality of aggregates 2 in a predetermined range in the mold 22 and on the mold 22 are stacked and solidified. At this time, the porous block body 5 and the mold 22 are fixed.

FIG. 5 shows a method for connecting two seaweed blocks 1 to each other. The handles 8 of the seaweed block 1 are connected and secured with a rope 10, for example. Similarly, a plurality of seaweed blocks 1 can be connected and secured. By connecting with the rope 10, it is possible to prevent the occurrence of electrolytic corrosion when connecting using different conventional metal parts.

In Figure 6, 31 indicates a seaweed block modification of the seaweed blocks (1 In Figure 1), seaweed block 31, a porous block body of the seaweed blocks (1 In Figure 1) Instead of (5 in FIG. 1), a substantially conical porous block 32 is provided.
In the seaweed block 31, a plurality of aggregates 2 having a size within a predetermined range are bonded to each other by the concrete mortar 3 and the bonding material 4 and stacked on the round bottom metal fitting 33.
The bottom metal fitting 33 may be replaced with a round mold having the same function as the mold (22 in FIG. 3).

FIG. 7A shows a method of installing and fixing the seaweed block 1 on the seabed. By connecting the handles 8 of adjacent seaweed blocks 1 with ropes 10, a plurality of seaweed blocks 1 are connected in a tandem manner and installed on the seabed. The ropes 10 at both ends of the seaweed block 1 connected with each other are fixed. Although the seaweed block 1 has been described in the drawing, the seaweed block 21 can be used instead of the seaweed block 1.

FIG. 7B shows a method of installing and fixing the seaweed block 31 on the seabed.
By connecting the handles 8 of adjacent seaweed blocks 31 with ropes 10, the seaweed blocks 31 are connected in a tandem style, installed on the sea floor, and the ropes 10 at both ends of the seaweed blocks 31 connected in a tandem style, for example, It is fixed by a fishing gear anchor 35 installed on the seabed.
As described above, by connecting with the rope 10, it is possible to prevent the occurrence of electrolytic corrosion when connecting using different conventional metal parts.

In place of the fishing gear anchor 35, the seabed fixing tool 34 may be used. In the method of installing and fixing the seaweed block 1 on the seabed, the fishing gear anchor 35 is replaced with the seabed fixing tool 34. It may be used.

FIG. 8 and FIG. 9 show a specific example of the seaweed bed construction method using the seaweed block 1. Note that the seaweed block 21 or 31 can be used in place of the seaweed block 1.
As shown in FIG. 8, first, the seaweed block 1 is loaded onto the ship 36 during the seaweed maturity period.
FIG. 8 (a) shows a case where the operator 37 loads, and FIG. 8 (b) shows a case where the seaweed block 1 loaded on the pallet by the forklift 38 is loaded.
Next, as shown in FIGS. 8 (c) and 8 (d), the seaweed block 1 is input from the ship 36 to the mother algal community, and the input seaweed block 1 is corrected and arranged as necessary.
FIG. 8C shows an example in which the connected seaweed block 1 is thrown from the ship 36 into the mother algal community.
When connecting on a ship, the fishing gear anchor 35 is connected to the tip of the rope 10, the seaweed block 1 is connected to the rope 10 in a tandem manner with an appropriate interval, and the fishing gear anchor 35 is connected to the rear end of the rope 10.
Figure 8 (d) shows an example in which the seaweed block 1 was put into Hahamo communities where each alone, seaweed block 1 which is turned diver 39 modifies organized from the ship 36.

Fig. 9 shows an example in which seaweed larvae, gametophytes, and spores grow on the seaweed block 1 installed in the mother algal community, and when the seaweed grows and grows, it is transferred to other places, such as a rocky reef. Yes.
First, it is confirmed whether seaweed embryos, gametophytes, and spores have grown and grown on the seaweed block 1 installed in the mother algal community, and when confirmed, the seaweed block 1 is pulled up.
As a tool for performing this pulling up, for example, a hook 41 shown in FIG. 10 is used.
The hook 41 is bound to the rope ring 43 provided at the base end of the hook 42 at the tip of the pulling rope 44, extends from the base end of the hook 42 toward the tip of the hook 42, and close to the hook 42 near the tip of the hook 42. The distal end of the locking portion 45 bent toward the base end side is inserted into a hooking hole (not shown) formed at the distal end of the hooking rod 46 and locked.

Then, with the tip of the locking portion 45 inserted into the hooking hole, pull the pulling rope 44 so that the tip of the locking portion 45 does not come out of the hooking hole and hook it on the hook end, and operate the hooking rod 46. The hook 42 is hooked on the handle 8, the hook hole is removed from the tip of the locking portion 45, the hook 46 is removed, the pulling rope 44 is pulled up, or the seaweed block 1 is pulled up by power. To grow the seaweed and animals such seaweed block 1 to increase this time, raised to the water surface directly below, fastening tied seaweed block 1 just below the water surface by tacking rope fixed to the ship 36 edge to stop winding, pulling ropes 44 (The lifting hook 42 and the lifting rope 44 can be repeatedly operated in one set).

When all the seaweed blocks 1 connected by the rope 10 are pulled up to a predetermined position, the ship 36 is moved to a predetermined target position such as a burnt reef, and the seaweed block 1 moves below the surface of the water. Then, as shown in the right side view of FIG. 9, the seaweed block 1 is sunk on the sea bottom at a predetermined position.

The seaweed blocks 1, 21, 31 of the present invention described above can be expected to have the following effects.
(1) When kneading iron fiber or synthetic fiber as a bonding material, long-term durability and strength can be secured, and when kneading natural material fiber, it can be formed into a self-disintegrating seaweed block .
(2) Since it is small and light, it can be transported on land by two people, and installation work can be performed simply by introducing a seaweed block alone and correcting the posture at an installation location where the calmness of the sea is maintained. Moreover, the effect which reduces or prevents the movement by a wave and a fall by connecting a seaweed block is acquired.
(3) Since it is formed in a mountain shape, sand mud is easily wiped away by waves. The mountain-shaped seaweed block to prevent damage sand rolled up by the waves is nailed to seaweed block, protective effect of leaving raw organisms such top portion is obtained by the height difference between the mountain-shaped structure.
Moreover, since it is formed in the mountain shape, the light condition can be advantageously used because the seaweed block has any height.
In addition, the mountain-shaped porous and slightly uneven surface is formed, so that the seaweed block with a slightly higher shape from the sea floor has a higher flow rate than just above the seabed, so it feeds seaweed sea urchins and snails. Suppressing the behavior slows down the rate of damage and protects the seaweed attachments (roots) in the recesses from the damage of herbivores and other herbivores such as sea urchins. The mechanism can be left, and as a result, the survival effect of seaweeds is likely to be obtained.

(4) By providing the hollow portion, an effect of accommodating the benthic living place and the fertilizer can be obtained.
(5) It has a handle that binds seaweed blocks together on board or in the water, and if the installation location at the time of seedling is calm, it can be installed by connecting a single or multiple seaweed blocks to the seabed.
(6) Select the water depth, water temperature, per wave and location suitable for the maturity of the mother algae (the parent of the seaweed to be propagated), and set up with a small number of people on the fishing boat. You can choose the time and place to ensure the growth, and you can reliably grow the young seaweed larvae, gametophytes, and spores on the surface of the seaweed block. Because it can be pulled up, the necessary quantitative surveys such as confirmation of seaweed growth and the amount of growth can be performed on board.

(7) Since it is small and light and has a handle 8, it is possible to easily correct the position and posture of the seaweed block 1 or the seaweed block 21 by hooking the hook metal fitting 41 on the handle 8 after putting the seaweed block into the seabed. Can do.
Also, the seaweed block connection and installation work is easy.
(8) By installing the box glasses and the hooks 41 on the ship 36, the fisherman can easily collect and relocate.
(9) sinking, relocation, because recovery is easy, if seaweed such purposes outside the biofilm and predation can not grow, seaweed block updated by reproducing the seaweed block land Curing were harvested seaweed block Later, it can be re-installed in the next seaweed maturation cycle and can be reused repeatedly.

Moreover, the following effects can be expected from the method of installing and fixing the seaweed block of the present invention on the seabed.
(1) Select the water depth, water temperature, per wave and location suitable for the maturity of the mother alga to be propagated (the parent of the seaweed to be propagated), and ensure that the target seaweed embryo and gametophyte are placed in the seaweed block. the sporophyte able to grow is dominant seaweed block surface, the ship moves to a predetermined position of the target, such as Isoyake reefs, by sinking seaweed blocks on the seabed, a predetermined target, such as Isoyake reef The seaweed can be reliably grown at the position.
(2) At the time of relocation, it can be fixed in the middle of the water without being lifted on the ship, and multiple units can be relocated at the same time to the relocation site, allowing fishermen and ordinary people to perform this work. It is. In addition, since the work is carried out in the water during relocation, it does not injure attached organisms such as seedlings, gametes, spores or seaweed fronds that have grown and grown.

According to the field experiment, the mountain-shaped seaweed block of the present invention shows that growth of algae that has grown afterwards is low in the lower part of the periphery of the seaweed block. The predominance of seaweeds and the growth and habitat of small animals were confirmed, and the function of the mountain shape to protect and survive the vegetation by minimizing the damage caused by sand shooting.

FIG. 11 shows a pedestal 51 for installing the seaweed block 1 and the like on the sand. The pedestal 51 is composed of a rectangular frame body 51a and a lattice portion 51b arranged in a lattice shape within the frame body 51a, a placement portion 52 for placing the seaweed block 1, and four corners of the placement portion 52 And a leg 53 that supports the mounting portion 52, an open / close anchor 54 that is provided at the lower portion of the leg 53 and is moored to the seabed by an open / close type, and an adjacent leg. 53, a rectangular flat plate in plan view, and a wave between the mounting portion 52 and the burying prevention plate 56, and the burying prevention plate 56 that stops burying when the leg portion 53 is buried to a predetermined depth in sand. The space structure S1 is configured so that the flow can be blown through, and the space structure S2 directly below the placement portion that can accommodate stone or the like as necessary.
As described above, the space structure S1 is a space structure formed between the placement portion 52 and the burying prevention plate 56, and the space structure S2 is formed on the placement portion 52 and the placement portion 52. It is a spatial structure formed between the shelf portion 55 formed below the mounting portion 52 by a predetermined dimension substantially parallel to the mounting portion 52. Accordingly, the spatial structure S2 is formed in the spatial structure S1.
In addition, the shelf part 55 is formed in a grid | lattice form similarly to the mounting part 52 mentioned above, for example.

  The pedestal 51 is composed only of an aggregate part, and the openable / retractable anchor 54 and the leg part 53 are buried with their own weight by attaching a water flow embedding auxiliary pipe 57 at the time of embedding and injecting the water flow onto the sandy bottom of the seabed. When buried to a predetermined depth, the burying is stopped by the burying prevention plate 56.

The pedestal 51 can be expected to have the following effects.
(1) It can be designed to be small and lightweight, and can be manufactured at local ironworks in various locations using readily available general materials.
(2) A seaweed block is attached to the upper part of the structure, and there is a space up to the bottom of the sand. This spatial structure prevents the “scouring phenomenon” that occurs when a conventional concrete structure is installed on the sand. By doing so, it becomes possible to set up facilities that make effective use of sand over a long period of time.
(3) The open / close anchor prevents the waves from falling or moving, and even in a lightweight facility, the sand can be used as a powerful fixing material.

FIG. 12 shows an example in which the pedestal 51 is used. When seaweed embryos, gametophytes, and spores grow on and grow on the seaweed block 1 installed in the seaweed community, the seaweed block 1 is transferred to the sand. An example is shown.
First, the base 51 is manufactured and the base 51 is installed on sand.
Next, check whether seaweed embryos, gametophytes, and spores have grown and grown on the seaweed block 1 installed in the seaweed community, and if confirmed, pull the seaweed block 1 as described above. increase.
The pulled seaweed block 1 is moved to the sandy place where the pedestal 51 is installed, and the seaweed block 1 is lowered onto the pedestal 51.
By diver 29, seaweed block 1 is securely mounted on the base 51, to fix the seaweed block 1 on the base 51.
The method of fixing the seaweed block 1 to the pedestal 51 is preferably a method of securing using a rope by diving rather than a conventional method using metal parts from the viewpoint of preventing electrolytic corrosion.
The relocation destination of the seaweed block 1 realizes the creation of a seaweed bed using the sandy seabed (water depth of about 5 to 30 m).

Sandy sediment is an area that cannot be inhabited except for seaweed species such as eelgrass because there is no seaweed settlement object . This condition also indicates that herbivores cannot live at the same time, and depending on the location, seaweeds often grow in the flying roots near the boundary between the reef area and the sand. This is thought to be due to the fact that the once constructed seaweed beds are maintained over a long period of time due to the low pressure of pests compared to the coast.
On the coast, when the water depth becomes deep, the amount of light is insufficient, which is a disadvantageous condition that requires a long time for the breeding of seaweeds. By moving to the prepared pedestal 51 of the present invention, a seaweed bed having an effective mass can be created in the following year.

In addition, when the water depth is deeper than the coastal surface water, the nutrient concentration increases as the water temperature decreases, and there is an advantage that the outflow of seaweeds can be prevented because the influence of waves is small.
As the depth and turbidity increase in offshore sandlands, it is necessary to select seaweed species suitable for the water depth.However, by creating unused sand bottom sediment as a seaweed bed, it is possible to maintain seafood resources. It is possible to provide an effective fishing ground for expansion and regeneration.
Thus, according to the present invention, by using the pedestal, it is possible to reliably create a seaweed bed on sandy land where seaweed does not grow.

FIG. 13 shows an example in which the seaweed block 1 is installed on the pedestal 51 in advance, and then the seaweed block 1 is installed together with the pedestal 51 at a desired location.
First, seaweed block 1 is placed on a base 51 on land, down to sea seaweed block 1 with a pedestal 51 with UNIC wheel 58 or the like, transporting an suspended (transportation 1), or pre-float base 51 After attaching 59, etc., it is transported to a predetermined position by towing (transport 2) in a state where buoyancy is applied by the float 59, and is set on the seabed.
And it established the spores bag (net-like seed bag) 60 for accommodating the Hahamo seaweed block 1 near growing the seaweed seaweed block 1.
The example shown in FIG. 13 is a method for causing seedlings to grow when there is no mother algae in the fishing ground, depending on the type of the breeding seaweed. In this method, mother algae growing in another place are collected, stored in the spore bag 60 as described above, transferred to the fishing ground, and floated on the middle layer with the float 61 or the like, and the young embryos and spores are placed on the seaweed block 1. Can be seeded.

FIG. 14A shows a pedestal 62 which is a modified example of the pedestal (51 in FIG. 11) for installing the seaweed block 1 and the like on the sand.
The pedestal 62 is provided with a fixed plate type anchor 63 instead of the openable / closable anchor (54 in FIG. 11) of the pedestal (51 in FIG. 11).
The mounting portion 64 of the pedestal 62 may be formed in a lattice shape similarly to the mounting portion (52 in FIG. 11), and has an appropriate shape according to the application as shown in FIG. 14 (a). May be.
In FIG. 14A, reference numeral 65 denotes a hole for inserting the water flow embedding auxiliary pipe 66.

FIG. 14B shows an installation example of the pedestal 62. The fixed plate type anchor 63 of the pedestal 62 is buried at a predetermined depth in the sand by the water flow embedding auxiliary pipe 66 inserted into the hole 65, and the pedestal 62 is placed in the sand. Install in.
An appropriate seaweed block is placed on the placement portion 64. The seaweed block shown in FIG. 14B is a semicylindrical seaweed block 101 (see FIG. 18) described later.

FIG. 15 shows an example in which the porous block body 5 or the like is attached to an existing facility, for example, a breakwater wall surface of a fishing port or a harbor, a top surface of a rooting block, a fish reef block, or the like.
15 In (a), 71 indicates a seaweed block modification, seaweed block 71, a porous block body 5 are laminated on the bottom bracket 7, and, out of the bottom bracket 7 to the bottom bracket 7 A handle 8 that protrudes obliquely upward is attached, and a plurality of porous block bodies 5 each having a bottom metal fitting 7 and a handle 8 are attached to an attachment mold body 72. A plurality of attachment fittings 73 projecting a predetermined length outward are fixed.

As shown in FIG. 15 (b), after drilling in the existing facility 75, the seaweed block 71 is installed in the existing facility 75 by fixing the attachment metal 73 of the seaweed block 71 to the drilled hole by the steel pin 74. A seaweed bed can be formed.

The seaweed block 71 can be attached to a natural reef area or the like, and can also be attached to any other existing or new facility, structure, place, or the like.
Instead of the steel pin 74, fixing using bolts or anchors is also possible.
Moreover, it can replace with the said porous block body 5, and can also be set as the other porous block body mentioned above.

In FIG. 16, reference numeral 81 denotes a modified seaweed block , and the seaweed block 81 is a block instead of the porous block body (5 in FIG. 3) of the seaweed block (21 in FIG. 3). A porous block body 82 having a bowl-like shape is formed, and a weld metal fitting 84 for welding to connect to a structure such as a fish reef or a breeding reef is formed on the mold 83 of the porous block 82. And projecting outward. On the lower surface of the mold 83, a joining fitting 85 having the same function as the joining fitting (9 in FIG. 3) is fixed. The seaweed block 81 is not provided with the handle (8 in FIG. 3), but can be provided.

In FIG. 17, reference numeral 91 denotes a seaweed block of a modified example, and the seaweed block 91 includes a plurality of pyramid shapes, a substantially mountain shape, a substantially pyramid shape, or a substantially cone shape shown in the figure. A porous block body 92 is fixed on the base 93, and a welding fitting 94 for welding to connect to a structure such as a fish reef or a breeding reef is formed outward from the base 93 side end. It is provided to protrude.

18A and 18B, reference numeral 101 denotes a seaweed block of a modified example. The seaweed block 101 has a porous block body 102 formed in a semicylindrical shape, and a semicylindrical shape. Bonding plates 103 for bonding to the other are fixed to both end portions.
By connecting and fixing the semi-cylindrical porous block body 101 in the vertical and horizontal directions to a structure such as a fish reef or breeding reef via a joining plate 103, a continuous semi-circular panel structure can be obtained. It is possible to create fish habitats, hideouts, and feeding grounds with the structure.
In FIG. 18 (c), reference numeral 105 denotes a seaweed block according to a modified example. The two semi-cylindrical types are opposed to each other by joining the joining plates 103 with half-joint bolts 104 or welding. These porous block bodies 101 are combined to form a cylindrical seaweed block .

Above seaweed blocks 81,91,101 and 105 by connecting a plurality, or by fabricating a large seaweed blocks having the same shape, seaweed block having a vast surface area to fit even synergistic effect with the porous Is formed. This vast surface area allows a large amount of diatoms to grow in a short time even in deep fishing grounds, creating an ecosystem of food chains to small animals that use these diatoms as a habitat and feed, When habitats of a wide variety of attached organisms are formed, it becomes a good food / living / hidden environment for fish.

Moreover, although illustration is abbreviate | omitted, it is also possible to incorporate the said seaweed block 1,21,31,71,81,91,101,105 in the new or existing structure main body assembled using the steel material.
Then, the structure body can be installed in the deep sea by enlarging the structure body, and a variety of seaweed beds can be created by manufacturing the structure body in accordance with the place where the seaweed beds are created.
The structure body is not limited to steel, and may be manufactured using other materials such as concrete, resin, fiber, and the like.

Furthermore, the porous block body of the seaweed block described above can be made into various shapes, and the shape of the bottom metal fittings, molds, joint metal fittings, welding metal fittings, etc., and the mounting method can be adjusted according to the shape. It is also possible to change.
Furthermore, in the above description, a small porous material is incorporated into the structure. However, the structure may be an existing facility, or may be a new or existing structure, such as a natural reef. It may be.

In addition, since the porous panel, semi-cylinder, and cylindrical block using the porous block material of the present invention can be designed and applied to suit the taste of the target organism such as the side wall and the canopy , seaweed for the growth of seafood Structures that function widely as blocks can be formed.

1, 21, 31, 81, 91, 101, 105 Seaweed block 2 Aggregate 3 Concrete mortar 4 Bonding material 5, 32, 82, 92, 102 Porous block body 6 Hollow portion 7, 33 Bottom metal fitting 8 Handle 9, 85 Joining brackets 22 and 83 Mold frames 51 and 62 Pedestal 52 and 64 Placement portion 53 Leg portion 54 Opening and closing anchor 56 Buried prevention plate 63 Fixed plate type anchor 72 Mounting mold body 73 Mounting bracket 84 and 94 Welding bracket 93 Base 103 Joining Plate S1, S2 Spatial structure

Claims (13)

In the seaweed block for growing and growing seaweed,
A plurality of aggregates having a predetermined size are provided with a porous block body formed by adhering and laminating each other with concrete mortar and a bonding material, and the porous block body has an outer surface formed in an uneven shape. A seaweed block characterized by having a hollow portion formed so as to have water permeability and open toward the bottom surface side . The seaweed block according to claim 1, wherein the bonding material includes at least one of iron fiber, synthetic fiber fiber, and natural fiber. The seaweed block according to claim 1 or 2, wherein the porous block body is formed in a substantially pyramid shape, a substantially conical shape, or a bowl shape. The porous block body is laminated in the mold and on the mold or on the bottom metal fitting, and is formed so as to be fixed to the mold or the bottom metal fitting, on the side of the mold or the bottom metal fitting. A handle that protrudes obliquely upward and outward from the mold frame or bottom metal fitting is attached, and a joint metal fitting that protrudes a predetermined length from the mold frame or bottom metal fitting is fixed to the lower surface of the mold frame or bottom metal fitting. The seaweed block according to any one of claims 1 to 3 , wherein the seaweed block is provided . The porous block body is laminated in the mold and on the mold and is formed so as to be fixed to the mold, and is welded to the mold to weld to the other and / or 4. The seaweed block according to any one of claims 1 to 3 , wherein a joint fitting for connecting to another is provided so as to protrude outward from the mold. One or a plurality of the porous block bodies are fixed on a base, and weld metal fittings for welding to be connected to the other are provided on the side of the base so as to protrude outward from the side of the base. The seaweed block according to any one of claims 1 to 3 , wherein the seaweed block is formed . The porous block body is laminated in and on the mold and is formed so as to be fixed to the mold, and a handle protruding obliquely upward outward from the mold is attached to the mold. A plurality of porous block bodies having the formwork and the handle are attached to an attachment formwork body, and a plurality of attachment fittings protruding outward by a predetermined length are fixed to the outer portion of the attachment formwork body. The seaweed block according to any one of claims 1 to 3 , wherein the seaweed block is provided . 3. The porous block body is formed in a semi-cylindrical shape, and bonding plates for bonding to the other are fixed to both end portions of the semi-cylindrical shape, respectively. The seaweed block described. Seaweed block, characterized in that the formation of the cylindrical shape of the porous block body by combining two of the opposite semi-cylindrical porous block body by joining the joining plate each other seaweed block of claim 8, wherein . A mounting part for mounting the seaweed block according to any one of claims 1 to 9, a leg part for supporting the mounting part, and a lower part of the leg part, the leg part An open / close anchor or a fixed plate anchor for mooring the seabed to the seabed, an embedment prevention plate disposed on the leg, and when the leg is buried to a predetermined depth in sandy ground, A pedestal on which a seaweed block is installed, characterized in that it has an atrium structure that allows flow to pass through. New or existing structures incorporating seaweed block, characterized in that incorporated in structure body according seaweed blocks in any one of claims 1 to 9. 10. One or more seaweed blocks according to any one of claims 1 to 9 are introduced into the seaweed community at a seaweed community site or connected to each other in the sea at the time of seaweed maturity, and seaweed larvae are inserted into the seaweed blocks. or gametophyte, after the sporophytes were epiphytic and growth, use the pulling seaweed block to just under the surface, moving the underwater seaweed block growing the seaweed in the seaweed block relocated into the sea in a predetermined location How to create a seaweed bed. 10. One or more seaweed blocks according to any one of claims 1 to 9 are introduced into the seaweed community at a seaweed community site or connected to each other in the sea at the time of seaweed maturity, and seaweed larvae are inserted into the seaweed blocks. or gametophyte, after the sporophytes were epiphytic and growth, seaweed beds Construction method using a seaweed block growing the seaweed in the seaweed block relocated on pedestal installed the seaweed blocks in the sea of sand.