CN105248339B - A kind of fork-shaped greenling oviposition reef - Google Patents
A kind of fork-shaped greenling oviposition reef Download PDFInfo
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- CN105248339B CN105248339B CN201510859676.0A CN201510859676A CN105248339B CN 105248339 B CN105248339 B CN 105248339B CN 201510859676 A CN201510859676 A CN 201510859676A CN 105248339 B CN105248339 B CN 105248339B
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- ovum
- plate
- greenling
- reef
- oviposition
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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- Artificial Fish Reefs (AREA)
Abstract
Fixed axis (6) is provided with the invention discloses a kind of forked type greenling oviposition reef, including bottom plate (1), in the middle part of the bottom plate (1)；The fixed axis (6), which is provided with, holds ovum plate (2), and the ovum plate (2) and bottom plate (1) angle of holding is 10~70 °；The ovum plate (2) that holds is provided with mesh bag (9).Thus the oviposition reef constructed can effectively increase the adhesive rate of greenling fish-egg, improve the embryonated egg of ovum, incubation rate and survival rate；Comparatively safe space is provided for parent population simultaneously, to lift the shield ovum effect of parent population.Oviposition reef Stability Analysis of Structures, makes simple, and material is easy to get, and cost is low, while the Open architecture of forked type, meets that flow resistance power is small, and area of hatching is big, into any injury, will not meet spawning and the shield ovum habit of Greenling to spawning parent.
Description
Technical field
The present invention relates to a kind of oviposition reef, and in particular to a kind of forked type greenling oviposition reef.
Background technology
Greenling also known as Hexagrammos otakii, Greenling, yellow croaker is commonly called as, belongs to Rockfish shapes mesh, Greenling section, Greenling category,
For cold warm nature coastal waters bottom rocky fishes.Yellow Sea of China and the Bohai Sea are distributed mainly on, also sees Korea, Japan and Russian Far East
Zhu Hai.This fish is low temperature resistant, 2~26 DEG C of survival temperature, is grown on the more cay sea areas in coastal waters on the ground such as LiaoNing, China, Shandong.Its meat
Matter is delicate, delicious flavour, is known as the title of " northern lithosporic ", and economic value is higher, deep to be favored by consumers in general and culturist.Greatly
Long Greenling is the desirable class of north of China cage culture, and carries out fish stock increasing and release and develop the ideal that trip fishes fishery
Kind, there is wide promotion prospect as the peculiar rare seawater fish in the north.
In recent years, due to coastal waters and riverine area massive discharge of pollutant, the construction of some water projects, large area
Enclose that lake is reclaimed land from the sea and fishery catching intensity is growing on and on so that the fishery resources in coastal waters and some waters of inland are serious
Decline.Natural water area Greenling quantity falls sharply, and causes the Greenling market price to improve constantly, fishing of the coastal fisherman to Greenling
Amount is gradually increased, and catch body length reduces year by year, and resource pressure is increasing.It is simple to be repaiied by the recovery of resource itself
Impaired Greenling resource again, enhancement releasing and the intervention launched artificial marine habitat, establish the artificial strength such as protection zone, turn into six lines
Fish resource reparation and increased effective means.On the basis of fully marine environment conditions and environment capacity is held, selection is suitable
Oviposition reef launched, be carry out spawning ground reparation major way.
Greenling fish-egg is larger, and 1.6~2.3mm of ovum footpath, parent population fish brood amount is low, belongs to adhesive egg, under nature by
Ovum grain after essence sticks together mutually agglomerating, and the ovum inside pieces of an egg can be affected in various degree because of anoxic, and incubation rate only has 20%
Left and right.In natural waterses, greenling is laid eggs in liver moss and reef surface more, into flat pieces of an egg, can be laid in spawning base
On.Due to the uncertainty of shape and structure, the fish-egg produced on surface can condense rapidly natural spawning base after meeting seawater in 10min
Blocking, internal layer fish-egg the time of fertilization essence ovum contact rate is small, so as to cause fertility rate and hatchability relatively low.For greenling,
After raun spawning, milter protects ovum until ovum grain is hatched near spawning base, and protection of the milter to spawning base has certain selection
Property, therefore a kind of suitable Greenling egg attachment is designed, while provide shield ovum hidden new oviposition reef for milter, to improve six
Cobble ovum fertilization rate, incubation rate and survival rate.The shape of spawning base is a key factor of fish selection, when fish are by ovum
Originate on unsuitable spawning base, be easy to peel off from spawning base before the hatching of ovum grain, the pieces of an egg of stripping cannot get seeing for milter
Shield, it is easy to which prey is preyed on.The construction of artificial spawning reef at present is mostly extensive style, i.e., directly launches waste and old ship to marine
Only, stone and make attachment base of the concrete reef as near sea fishes of simple shape, do not account for the characteristics of different ovums with
The requirement of the behaviors and habits of parent population, particularly adhesive egg to spawning base is higher, therefore is stable and expansion greenling spawning
, greenling cultivation effect is lifted, needs development environment friendly oviposition reef badly, the resource of increase tack Greenling ovum is mended
Charge.
The content of the invention
It is an object of the invention to provide a kind of forked type greenling oviposition reef, to make up the above-mentioned deficiency of prior art.
The reefs manufacturing cost is low and durable in use, meanwhile, oviposition reef meets that flow resistance power is smaller, and area of hatching is big, smaller suitable for stormy waves
Nearshore waters.
A kind of forked type greenling oviposition reef, including bottom plate (1), bottom plate (1) middle part are provided with fixed axis (6)；
The fixed axis (6), which is provided with, holds ovum plate (2), and the ovum plate (2) and bottom plate (1) angle of holding is 10~70 °；Preferably 60 °.
The ovum plate (2) that holds is provided with mesh bag (9).
Further, in the above-mentioned technical solutions, the shape of fixed axis can be square, rhombus, circular.
Further, in the above-mentioned technical solutions, the ovum plate (2) and bottom plate (1) angle of holding is 30~60 °.
Further, in the above-mentioned technical solutions, described fixation axis (6) is hollow structure.Hollow design can be with
An impact of the current to this artificial oviposition reef body is effectively reduced, reduces fluoran stream surface product, while is also provided for parent of laying eggs relatively hidden
The habitat covered.
Further, in the above-mentioned technical solutions, described fixation axis (6) internal diameter is 30~100cm.
Further, in the above-mentioned technical solutions, described hold has multiple circular openings (7) run through on ovum plate.With increase
The water penetration of reefs.A diameter of 3-20cm of circular opening (7).
Further, in the above-mentioned technical solutions, the fixed axis is provided with 2-6 and holds ovum plate (2)；It is described to hold ovum plate
(2) both sides of fixed axis (6) are symmetrically mounted on.
Further, in the above-mentioned technical solutions, the fixed axis holds ovum plate (2) provided with 4, described to hold ovum plate
(2) both sides of fixed axis (6) are symmetrically mounted in fork-shaped.
Further, in the above-mentioned technical solutions, 2 pieces of the fixed axis bottom hold ovum plate and are connected with bottom plate；
Further, in the above-mentioned technical solutions, the ovum plate that holds is provided with hook (8), and the mesh bag is solid by linking up with
It is scheduled on and holds on ovum plate (2).
Further, in the above-mentioned technical solutions, the material of described mesh bag (9) is polyethylene material, the mesh bag (9)
It is interior to be filled with shell.Shell mesh bag improves the water penetration of reefs as a part for oviposition reef, while reduces concrete
Use, mesh bag is constantly swung with current, can increase contact of the fish-egg with oxygen.Simple concrete surface is hard and more light
It is sliding, and mesh bag has irregular and open surface simultaneously, adheres to more suitable for greenling fish-egg.Surface irregularity
Oviposition reef can provide more safety and firm attachment to fish-egg, to reduce its predation by food ovum fish.
Further, in the above-mentioned technical solutions, the bottom plate is solid.This artificial oviposition reef can effectively be ensured
Stability.
Further, in the above-mentioned technical solutions, the bottom plate (1), hold ovum plate (2), fixed axis (6) is reinforced concrete
Native material.
Invention beneficial effect
The greenling oviposition reef of the present invention double verification that flume experiment and sea are tested, can effectively increase
Add the adhesive rate of greenling fish-egg, improve the rate of fertilization of ovum, incubation rate and survival rate；Provided relatively for parent population simultaneously
The space of safety, to lift the shield ovum effect of parent population.Oviposition reef Stability Analysis of Structures, make simply, material is easy to get, and cost is low, simultaneously
The Open architecture of forked type, it will not meet the spawning of Greenling to spawning parent into any injury and protect ovum habit.
Brief description of the drawings
Fig. 1 is the structural representation of oviposition reef of the present invention；
Fig. 2 is that ovum plate structure schematic diagram is held in Fig. 1；
In figure, 1, bottom plate；2nd, ovum plate is held；6th, fixed axis；7th, hole；8th, link up with；9th, mesh bag.
Embodiment
Following nonlimiting examples can make one of ordinary skill in the art be more fully understood the present invention, but not with
Any mode limits the present invention.
Embodiment 1
As shown in Figure 1 and Figure 2, a kind of forked type greenling oviposition reef, including a reinforced concrete floor 1, four block length sides
The armored concrete of shape holds ovum plate 2 and a fixation axis 6 that ovum plate 2 is held to fixing concrete, and fixed axis 6 mixes for reinforcing bar
Native material is coagulated, hollow, hollow design can be effectively reduced impact of the current to this artificial oviposition reef body, reduce fluoran stream surface
Product, while also provide relatively hidden habitat for spawning parent.Rectangle concrete holds ovum plate 2 and is symmetrically mounted in fixation
The both sides of axle 6, in forked type.Bottom plate 1 is solid, and holding ovum plate 2 with lower concrete is connected, and can effectively ensure that this is artificial
The stability of oviposition reef.Rectangle concrete, which is held on ovum plate 2, multiple circular openings 7, to increase the water penetration of reefs.Its coagulation
Soil holds the upper surface corner of ovum plate 2 and is provided with hook 8, and holding the top of ovum plate 2 to fixing concrete is laid with for adhering to big Long six
The mesh bag 9 of cobble fish-egg, the material of mesh bag 9 is polyethylene material, and shell is filled with mesh bag 9.The design of loose structure can be with
The use of concrete is effectively reduced, increases the water penetration of reefs, the diversity of fluidised form and the stability of structure, while make difference
The current in direction can fully contact with mesh bag 9, and mesh bag 9 constantly flickers with the impact of current, so be attached to the top of mesh bag 9
Embryonated egg can obtain the dissolved oxygen of abundance.
Reinforced concrete floor 1, specification are 160 × 140 × 10cm of length, width and height, and four blocks of rectangular armored concrete hold ovum
Plate 2,160 × 80 × 10cm of length, width and height and a fixation axis 6 that ovum plate 2 is held to fixing concrete, during fixed axis 6 is
Sky, overall diameter are：80cm, interior diameter are：60cm.Rectangle concrete holds the both sides that ovum plate 2 is symmetrically mounted on fixed axis 6,
In forked type, angle is respectively 120 ° and 60 °.Bottom plate 1 is solid, and holding ovum plate with lower concrete is connected.Rectangle coagulation
Soil, which is held on ovum plate 2, multiple holes 7, a diameter of 10cm.Its concrete holds the upper surface corner of ovum plate 2 and is provided with hook 8, links up with and is
Steel material, hold the top of ovum plate 2 to fixing concrete and be laid with mesh bag 9 for adhering to greenling fish-egg, the material of mesh bag 9
Expect for polyethylene material, shell is filled with mesh bag 9.
Greenling ovum meets water can condense into agglomerate in 10 minutes, be laid eggs on more flat surface, and ovum can condense
Into larger pieces of an egg, because pieces of an egg are overlapped, extruding, the dirt such as dead ovum, chorion on pieces of an egg has been covered on ovum, is made interior
The corruption death because of long term hypoxia of layer ovum, causes incubation rate relatively low, while the ovum fertilization rate inside pieces of an egg is relatively low.This forked type
Oviposition reef is inclined design, and greenling raun ovulates on the surface of associated ramp, and ovum, can be downward with inclined-plane into liquid
Flowing, therefore, inclined design can preferably reduce the stacking number of ovum, fish-egg is increased into the sheet of loose arrangement
The rate of fertilization and incubation rate of ovum.The design of forked type reefs simultaneously, more space structures for having and blocking are formd, are more conducive to parent
The shield ovum of fish.Research finds that there is the greenling of shield ovum behavior to prefer to inhabit at the edge or concave part that reef protrudes
Point, to shelter, therefore the design of forked type and the hollow structure of fixed axis 6 add the complexity of oviposition reef, form more
More masking spaces is inhabited for parent population.
Research finds that the fish shelter of surface irregularity can provide more safety and firm attachment to fish-egg, to reduce
It is by the predation of food ovum fish, and simple concrete surface is hard and relatively smooth, therefore this artificial oviposition reef adds net
The design of bag 9, mesh bag 9 have irregular and open surface simultaneously, adhere to more suitable for greenling fish-egg.By mesh bag 9
It is fixed on the concrete with perforate with hook 8 and is held on ovum plate 2, adds the contact area of mesh bag 9 and current, and mesh bag 9
Activity, the embryonated egg for making to be attached on mesh bag 9 obtain more sufficient oxygen, to increase the incubation rate of ovum and survive
Rate.
Claims (1)
- A kind of 1. forked type greenling oviposition reef, it is characterised in that：Including bottom plate（1）, the bottom plate（1）Middle part, which is provided with, to be fixed Axis（6）, the fixed axis（6）Be shaped as square, rhombus or circle, the fixed axis（6）For armored concrete material Matter；The fixed axis（6）It is provided with and holds ovum plate（2）, it is described to hold ovum plate（2）With bottom plate（1）Angle is 30 °；It is described to hold ovum plate （2）It is provided with mesh bag（9）；Described fixation axis（6）For hollow structure；Described fixation axis（6）Internal diameter is 60cm, external diameter For 80cm；It is described to hold ovum plate（2）On have multiple circular openings run through（7）, the circular opening（7）A diameter of 10cm；Institute State fixed axis（6）Ovum plate is held provided with 4（2）, it is described to hold ovum plate（2）Fixed axis is symmetrically mounted in fork-shaped（6）Two Side；The fixed axis（6）2 pieces of bottom hold ovum plate（2）With bottom plate（1）It is connected；The bottom plate（1）To be solid, material is Armored concrete material, specification are 160 × 140 × 10cm of length, width and height；It is described to hold ovum plate（2）It is provided with hook（8）, the hook （8）It is installed on and holds ovum plate（2）Upper surface corner, the hook（8）For steel material；The mesh bag（9）Pass through hook（8）It is fixed on Hold ovum plate（2）On；Described mesh bag（9）Material be polyethylene material, the mesh bag（9）It is interior to be filled with shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510859676.0A CN105248339B (en) | 2015-11-30 | 2015-11-30 | A kind of fork-shaped greenling oviposition reef |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510859676.0A CN105248339B (en) | 2015-11-30 | 2015-11-30 | A kind of fork-shaped greenling oviposition reef |
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| Publication Number | Publication Date |
|---|---|
| CN105248339A CN105248339A (en) | 2016-01-20 |
| CN105248339B true CN105248339B (en) | 2018-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510859676.0A Expired - Fee Related CN105248339B (en) | 2015-11-30 | 2015-11-30 | A kind of fork-shaped greenling oviposition reef |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106665430B (en) * | 2016-12-25 | 2022-05-20 | 复旦大学 | Cave type ovary of trachidermus fasciatus |
| CN109548731B (en) * | 2018-12-13 | 2022-05-10 | 海南热带海洋学院 | Lantern type foldable golden cuttlefish spawning reef |
| CN109892262A (en) * | 2019-04-23 | 2019-06-18 | 大连海洋大学 | A kind of temperature adjustment sea cucumber rock |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3948769B2 (en) * | 1996-11-13 | 2007-07-25 | 旭化成建材株式会社 | Fish reef |
| JP3742992B1 (en) * | 2005-05-24 | 2006-02-08 | 達志 藤原 | Fish reef that grows fry (natural and released) and spawns fish |
| KR100977533B1 (en) * | 2009-10-07 | 2010-08-27 | 김기연 | Artificial fishing reef |
| CN104054612B (en) * | 2014-06-23 | 2016-01-27 | 中国海洋大学 | A kind of cross collapsible gold sepia oviposition reef |
| CN104304121B (en) * | 2014-10-24 | 2017-11-07 | 中国水产科学研究院黑龙江水产研究所 | A kind of method of the bionical hatching salmon embryonated egg in field |
| CN204518869U (en) * | 2015-03-31 | 2015-08-05 | 通威股份有限公司 | A kind of hatching apparatus for aquatic products adhesive egg |
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