CN103070100A - Floating larval fish protecting device - Google Patents
Floating larval fish protecting device Download PDFInfo
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- CN103070100A CN103070100A CN2012105371780A CN201210537178A CN103070100A CN 103070100 A CN103070100 A CN 103070100A CN 2012105371780 A CN2012105371780 A CN 2012105371780A CN 201210537178 A CN201210537178 A CN 201210537178A CN 103070100 A CN103070100 A CN 103070100A
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- plastic bottle
- bottle
- little
- little plastic
- young postlarva
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- 241000251468 Actinopterygii Species 0.000 title abstract description 68
- 238000007667 floating Methods 0.000 title abstract description 6
- 230000001418 larval effect Effects 0.000 title abstract 6
- 239000004033 plastic Substances 0.000 claims abstract description 156
- 229920003023 plastic Polymers 0.000 claims abstract description 156
- 229920000742 Cotton Polymers 0.000 claims description 21
- 230000001681 protective effect Effects 0.000 claims description 13
- 241000512259 Ascophyllum nodosum Species 0.000 claims description 8
- 244000025254 Cannabis sativa Species 0.000 claims description 5
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 claims description 5
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 claims description 5
- 235000009120 camo Nutrition 0.000 claims description 5
- 235000005607 chanvre indien Nutrition 0.000 claims description 5
- 239000011487 hemp Substances 0.000 claims description 5
- 230000007613 environmental effect Effects 0.000 claims description 4
- 230000002776 aggregation Effects 0.000 claims 1
- 238000004220 aggregation Methods 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000009395 breeding Methods 0.000 abstract description 3
- 230000001488 breeding effect Effects 0.000 abstract description 3
- 241000269799 Perca fluviatilis Species 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 238000000034 method Methods 0.000 description 8
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- -1 polyethylene Polymers 0.000 description 4
- 238000003672 processing method Methods 0.000 description 4
- 231100000252 nontoxic Toxicity 0.000 description 3
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- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 2
- 235000013361 beverage Nutrition 0.000 description 2
- 239000003599 detergent Substances 0.000 description 2
- 210000003608 fece Anatomy 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000005213 imbibition Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
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- 230000004083 survival effect Effects 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- 241000269800 Percidae Species 0.000 description 1
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Classifications
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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
The invention discloses a floating larval fish protecting device, and aims to provide a floating fish reef which has a complex internal structure and is suitable for breeding fishes and growing larval fishes. The floating larval fish protecting device comprises a hollow ball body connecting piece, a self-sinking anchor, a plurality of bottomless large plastic bottles, a plurality of bottomless small plastic bottles A, at least one small plastic bottle B with a bottom, and at least one integrated small plastic bottle C, wherein the ball body connecting piece consists of a plurality of circular rings on different longitudes and latitudes; a plurality of threaded holes are arranged in the circular rings; the large plastic bottles are matched with the threaded holes and are fixedly arranged on the outer side of the ball body connecting piece through bottle opening threads; bottle bodies of the large plastic bottles are provided with a plurality of circular holes; and the small plastic bottles A, the small plastic bottle B and the small plastic bottle C are respectively sleeved in corresponding large plastic bottles and are fixedly connected with large bottle openings through thread connecting sleeves; and the self-sinking anchor is connected with the ball body connecting piece through a rope. The floating larval fish protecting device has the advantages of large bond area for plankton, and complexity and changeability of internal space, simultaneously has an ecological function with a self-purifying ability, and is suitable for the larval fishes to perch and live.
Description
Technical field
The present invention relates to a kind of mariculture field, refer in particular to a kind of artificial fish shelter of protecting young postlarva.
Background technology
Because the impact of mankind's activity; halobiontic kind and quantity are all in continuous minimizing; protect halobiontic kind and quantity not only will limit the behavior that human transition is fished for; to guarantee that more halobiontic seedling can grow up under the environment of safety and Health; yet because the warming and the deterioration of marine environment of global climate; the nature fish shelter reduces in a large number, so that fish-egg or young postlarva living environment further worsen, has accelerated the extinction of fish population.Artificial fish shelter improves a kind of method of water environment as protection, propagation fish, and worldwide, especially the U.S. and Japan drop into a large amount of man power and materials and studies and build artificial fish shelter, and have obtained good ecological benefits and economic benefit.In recent years, along with the attention of Chinese Government to marine resources development, for protecting the sustainability of halobiontic diversity and marine resources development, drop into energetically exploitation and construction that manpower and materials are carried out artificial fish shelter, produced equally good benefit.
The key of protection marine species is the protection to young postlarva; requirement provides the environment of a safety and food abundance; this worker's fish shelter of will asking for help has larger plankton bond area and complicated internal structural space, considers simultaneously the economy of artificial fish shelter.Prior art mostly is structure is dropped into the seabed, thereby stronger to benthon and fish multiplication effect, obvious not to the midwater fishes effect, Chinese patent Granted publication CN 202406814 U, September 5 2012 Granted publication day, disclose a kind of floated fishing bank, it has the anti-traction anchoring pile that links to each other with the manrope end; Manrope is provided with the floating reefs of at least three half; The buoyancy reefs contains the reef base, and the reef standard shaft is to being shaped with through hole; The side of reef base is shaped with the clip slot with axially parallel; The inboard via pins of clip slot runs through the oscillating rod type adherance that is connected with buoyancy.The oscillating rod type adherance adopts the axial identical mode of degree of freedom and buoyancy reefs, can offset axial active force, the through hole of buoyancy reefs can make the buoyancy reefs rotate when the oscillating rod type adherance is subject to towards the tangential active force of buoyancy reefs, thereby so that the oscillating rod type adherance on the whole buoyancy reefs can cushion active force by the swing of oscillating rod type adherance or the rotation of reef base when being subject to the active force of different directions, with this tractive force that reduces the counterextension anchoring pile, be conducive to the fixing of whole fish shelter.The present invention has that novel structure, grappling are stable, anti-wave, impact resistance, can be to the advantage of middle level ecology of water propagation.But should suspension fish shelter shed space little, fish shelter be simple in structure, is unfavorable for that fish-egg adheres to and to the protection of young postlarva.
Summary of the invention
The present invention is in order to overcome floated artificial fish shelter interior and to be unfavorable for simply that fish-egg adheres to and to the protection problem of young postlarva, providing a kind of floated fish shelter of suitable fish reproduction and the growth of young postlarva of interior complexity.
A kind of floated young postlarva protective device of the present invention; the spheroid connector that comprises hollow; from sinker; some bottomless large plastic bottles; some bottomless little plastic bottle A; at least one has the little plastic bottle B in the end and at least one complete little plastic bottle C; described spheroid connector is comprised of the annulus on some different longitudes and the latitude; be provided with some screwed holes on the described annulus; described large plastic bottle is fixed in the spheroid connector outside by whorl of bottleneck and screwed hole; described large plastic bottle body is provided with some circular holes; described little plastic bottle A; little plastic bottle B; pack into respectively in the corresponding large plastic bottle with little plastic bottle C; and be threaded connection sleeve pipe and be fixedly connected with large bottleneck; described little plastic bottle A body is provided with some circular holes; described little plastic bottle B body is provided with some bar-shaped troughs; described little plastic bottle C bottle mouth position is provided with sealing-plug, describedly is connected with the spheroid connector by rope from sinker.
The present invention adopts discarded cola, the beverage bottles such as mineral water are as the material of main part of fish shelter, this plastic bottle consumption in our daily life is very large, and the obsolete material that often abandons, the whole world approximately will consume 3,000 hundred million plastic bottles every year, because plastic bottle belongs to non-biodegradable material, in natural environment, probably need the complete obiteration of 500 ~ 1000 years ability, therefore tradition adopts the processing method of burning, not only contaminated environment also wastes energy, and it is best processing method that recovery and secondary utilize plastic bottle.Because the plastic bottle main material is polyethylene or polypropylene, under low temperature environment, all be non-toxic and non-pollution to humans and animals, and have the characteristics such as high specific strength, high-wearing feature and high corrosion resistance, satisfy artificial fish shelter and build the reef material requirements, the waste plastic bottle source is wide simultaneously, price is low, and density is little, and it is high not only to have solved traditional fish reef material cost, weight is difficult for greatly the problem of transportation, and has solved environmental issue.Plastics have well easily plasticity and easily processing characteristic, the size less of plastic bottle, the bottle wall is thin, quality is light but specific strength is large, all be easy to realize in the body perforate with at the bottom of going bottle, the vessel space of its body and bottle wall loose structure have increased the complexity of structure, among the present invention little plastic bottle is packed in the large plastic bottle, the bottleneck of little plastic bottle forms a fixed connection by a screw joint casing with the bottleneck of large plastic bottle, and the whorl of bottleneck of large plastic bottle is connected on the spheroid connector that is shaped with in advance respective screw hole, and form spherical radial structure, spherical connector adopts polythene material to process, spherical structure has utilized the little design feature of major part at the bottom of the plastic bottle well, this structure is utilized less bottle to connect into to have larger outer tactile area and the artificial fish shelter of inner space, larger outer tactile area can adhere to more rich biological, attract to look for food with many fishes, reach poly-fish effect, have stable current and shadow volume in the plastic bottle hemi-closure space, give the fish sense of security, make it in bottle, to lay eggs, thereby improve the survival rate of young postlarva, the double-layer plastic bottle structure of large bottle cover bottle makes the inner space of fish shelter more complicated and changeable, the light transmission of interior bottle is poorer, increases the sense of security.Be air in the air-tight bottle C, for whole fish shelter provides the buoyancy of come-up, and be connected with fish shelter by rope from sinker, provide fish shelter downward tractive force, the suspension fish shelter can only be swung in a little scope.
As preferably, described screw joint casing is the sleeve pipe with the shaft shoulder, the inside pipe wall of the larger end of described casing diameter is provided with internal thread, this internal thread cooperates with the whorl of bottleneck of little plastic bottle A or little plastic bottle B or little plastic bottle C, the less end pipe outer wall of described screw joint casing cooperates with large plastic bottle opening inwall, the less end of described screw joint casing diameter is provided with the cam ring bayonet socket along the circular section, be provided with two elongated slots at cam ring bayonet socket place along axis direction.With the screw joint casing of the shaft shoulder as the connector that connects little plastic bottle and large plastic bottle, the inside pipe wall of the larger end of its diameter is provided with internal thread, be threaded with the bottleneck formation of little plastic bottle, the sleeve pipe of the less end of diameter is worn to the bottleneck top by the bottom of large plastic bottle opening, and the cam ring bayonet socket by box face blocks large plastic bottle opening end face and carries out axial limiting.Wherein cam ring bayonet socket place is provided with two elongated slots along axis direction, and is so that bayonet socket radially has certain elasticity, more laborsaving during installation.
As preferably, be provided with cotton-wool group in the described little plastic bottle B, described cotton-wool is provided with kelp spore in rolling into a ball.Little plastic bottle B is for there being end plastic bottle, so cotton-wool group can not drop out in bottle, because plastic bottle is generally transparent material, kelp spore can slowly be grown under certain water temperature and illumination condition, and the root of sea-tangle can firmly be taken root in cotton-wool group, the sea-tangle main body is then passed the bar shaped slotted hole of little plastic bottle B to outgrowth, although the growth cycle of sea-tangle is longer, reach several months to one year, but the formation of sea-tangle will significantly improve the ecotope of fish shelter, make the more aobvious nature of fish shelter, planktonic adhesive rate is higher, and the soft intensive bar shaped space of sea-tangle is well suited for hiding large fish and chases, it simultaneously also is the good product institute of laying eggs, can absorb peripheral halobiontic excreta in the sea-tangle process of growth, strengthen the water body detergent power, be fit to existence and the growth of young postlarva.
As preferably, be provided with some bar shaped slotted holes at the bottom of the described little plastic bottle B bottle.Since fish shelter in the throwing process unfixing towards, in order to guarantee that kelp spore is not retrained by bottle as far as possible in the little plastic bottle B in process of growth, at the bottom of little plastic bottle B bottle, be provided with some bar shaped slotted holes.
As preferably, be cut into the strip plastic strip at large plastic bottle bottom opening place along axis direction, described plastic strip is to turning up 60 ° ~ 90 °, and bottle end plastic strip is the radiating spokes strip.The plastic strip of radiating spokes strip and body are 60 ° ~ 90 ° angles at the bottom of the little plastic bottle A bottle, can improve planktonic bond area like this.
As more preferably, described plastic strip width is 1mm ~ 5mm.Its adhesive rate of too wide plastic strip can be had a greatly reduced quality.
As preferably, utilize a rope to pass all little plastic bottle A and little plastic bottle B and be linked to be a spherical outer cover net near the hole at the bottle end.Hole at the bottom of rope passes bottle connects into a spherical outer cover net, and complicated network structure can limit the rotation that bottle produces wide-angle, thereby guarantees integrally-built fastness, and when seabed throwing the type fish shelter, the outer cover net can prevent from mutually intersecting between the fish shelter.The more complicated space of hiding is provided when also hiding large fish for small fish simultaneously.
As more preferably, described rope is the bifilar rope made of hemp.The coarse surface of the bifilar rope made of hemp is easy to the planktons such as periphtic algae, for young postlarva growth provides with many food sources.
As preferably, spatial placement has cotton-wool group in the described spheroid connector, is provided with the marine alga spore in the described cotton-wool group.Cotton-wool group after the imbibition is difficult for dropping out from the spheroid connector of hollow, and the marine alga spore in the cotton-wool group can develop into marine alga and constantly breeding under suitable condition, thereby attracts small fish to come to look for food.
Therefore, the present invention has following beneficial effect: (1) waste plastic bottle is built the reef material as fish shelter and is had the source extensively, and cost is low, and is nontoxic, wear-resisting, corrosion-resistant, the characteristics of long service life; (2) the radial spoke structure of spherical radial structure and the bottle end has increased the plankton bond area; (4) the double-layer plastic bottle structure of large bottle cover bottle and bottle wall porosity characteristic make the inner space of fish shelter more complicated and changeable, increase young postlarva and hide probability; (4) sea-tangle can be improved the water body purification ability, provides more plankton bond areas and young postlarva to perch the space; (5) utilize bottle mouth screw thread structure to assemble cooperation, the assembling mode is simple and convenient.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention;
Fig. 2 is the cutaway view of big or small plastic bottle syndeton in the embodiment of the invention;
Fig. 3 is the structural representation of the medium and small plastic bottle B of the embodiment of the invention;
Fig. 4 is the structural representation of the medium and small plastic bottle C of the embodiment of the invention;
Fig. 5 is screw joint casing front view in the embodiment of the invention;
Among the figure: 1. the spheroid connector, 2. large plastic bottle, 3. little plastic bottle A, 4. little plastic bottle B, 5. little plastic bottle C, 6. screwed hole, 7. screw joint casing, 8. circular hole, 9. bar-shaped trough, 10. from sinker, 11. stay cords, 12. cotton-wool groups, 13. kelp spores, 14. marine alga spores, 15. slotted holes, 16, rope, 17. plastic strips, 71. internal threads, 72. cam ring bayonet sockets, 73. elongated slots.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
In the embodiment of Fig. 1 and Fig. 2; a kind of floated young postlarva protective device of the present invention; the spheroid connector 1 that comprises hollow; from sinker 10; some bottomless large plastic bottles 2; some bottomless little plastic bottle A3; two have the little plastic bottle B4 in the end and a complete little plastic bottle C5; spheroid connector 1 is comprised of three orthogonal annulus; be provided with some screwed holes 6 on the annulus; large plastic bottle 2 is fixed in spheroid connector 1 outside by whorl of bottleneck and screwed hole 6; large 2 bottles of bodies of plastic bottle are provided with some circular holes 8; little plastic bottle A3; little plastic bottle B4; pack into respectively 2 li of corresponding large plastic bottles with little plastic bottle C5; and be threaded connection sleeve pipe 7 and be fixedly connected with large bottleneck; little plastic bottle A3 body is provided with some circular holes 8; little plastic bottle B4 body is provided with some bar-shaped trough 9(as shown in Figure 3); little plastic bottle C5 bottle mouth position is provided with sealing-plug (as shown in Figure 4), is connected with spheroid connector 1 by stay cord 11 from sinker 10.
The present invention adopts cola, the beverage bottles such as mineral water are as the material of main part of fish shelter, this plastic bottle consumption in our daily life is very large, and often abandon, the whole world approximately will consume 3,000 hundred million plastic bottles every year, because plastic bottle belongs to non-biodegradable material, in natural environment, probably need the complete obiteration of 500 ~ 1000 years ability, therefore tradition adopts the processing method of burning, and not only contaminated environment also wastes energy, and it is best processing method that recovery and secondary utilize plastic bottle.The plastic bottle main material is polyethylene or polypropylene, under low temperature environment, all be non-toxic and non-pollution to humans and animals, and have the characteristics such as high specific strength, high-wearing feature and high corrosion resistance, satisfy artificial fish shelter and build the reef material requirements, the waste plastic bottle source is wide simultaneously, price is low, and density is little, and it is high not only to have solved traditional fish reef material cost, weight is difficult for greatly the problem of transportation, and has solved environmental issue.Plastics have well easily plasticity and easily processing characteristic, the size less of plastic bottle, the bottle wall is thin, quality is light but specific strength is large, all be easy to realize in the body perforate with at the bottom of going bottle, the vessel space of its body and bottle wall loose structure have increased the complexity of structure, among the present invention little plastic bottle packed into 2 li of large plastic bottles, the bottleneck of little plastic bottle forms a fixed connection by a screw joint casing 7 with the bottleneck of large plastic bottle 2, and the whorl of bottleneck of large plastic bottle 2 is connected on the spheroid connector 1 that is shaped with in advance respective screw hole 6, and form spherical radial structure, spherical structure has utilized the little design feature of major part at the bottom of the plastic bottle well, this structure is utilized less bottle to connect into to have larger outer tactile area and the artificial fish shelter of inner space, larger outer tactile area can adhere to more plankton, attract more fish to look for food, reach poly-fish effect, have stable current and shadow volume in the plastic bottle hemi-closure space, give the fish sense of security, make it in bottle, to lay eggs, thereby improve the survival rate of young postlarva, the double-layer plastic bottle structure of large bottle cover bottle makes the inner space of fish shelter more complicated and changeable, hides large fish for young postlarva and chases favorable environment is provided.Be air in the air-tight bottle C, for whole fish shelter provides buoyancy upwards, and be connected with fish shelter by rope 16 from sinker 10, provide fish shelter downward tractive force, the suspension fish shelter can only be swung in a little scope.
Screw joint casing 7 is the sleeve pipe with the shaft shoulder, the inside pipe wall of the larger end of casing diameter is provided with internal thread 71, this internal thread 71 cooperates with the whorl of bottleneck of little plastic bottle A3 or little plastic bottle B4 or little plastic bottle C5, screw joint casing 7 less end pipe outer walls cooperate with large plastic bottle 2 bottleneck inwalls, the less end of screw joint casing 7 diameters is provided with the cam ring bayonet socket along the circular section, be provided with two elongated slots 73 at cam ring bayonet socket 72 places along axis direction.The connector that connects little plastic bottle and large plastic bottle 2 with screw joint casing 7 conducts of the shaft shoulder, the inside pipe wall of the larger end of its diameter is provided with internal thread 71, be threaded with the bottleneck formation of little plastic bottle, the sleeve pipe of the less end of diameter is worn to the bottleneck top by the bottom of large plastic bottle 2 bottlenecks, and the cam ring bayonet socket 72 by box face blocks large plastic bottle 2 bottleneck end faces and carries out axial limiting.Wherein cam ring bayonet socket place is provided with two elongated slots 73 along axis direction, and is so that bayonet socket radially has certain elasticity, more laborsaving during installation.
Be provided with cotton-wool group 12 in the little plastic bottle B4, cotton-wool is rolled into a ball 12 li and is provided with kelp spore 13, and a bottle end is provided with some bar shaped slotted holes 15.Little plastic bottle B4 is for there being end plastic bottle, so cotton-wool group 12 can not drop out in bottle, because plastic bottle is generally transparent material, slowly growth of kelp spore 13 under certain water temperature and illumination condition, and the root of sea-tangle can firmly be taken root 12 li of cotton-wool groups, the sea-tangle main body is then passed the bar shaped slotted hole 15 of little plastic bottle B4 to outgrowth, since fish shelter in the throwing process unfixing towards, in order to guarantee that kelp spore 13 is not retrained by bottle as far as possible in the little plastic bottle B4 in process of growth, at the bottom of little plastic bottle B4 bottle, be provided with some bar shaped slotted holes 15.Although the growth cycle of sea-tangle is longer, reach several months to one year, but the formation of sea-tangle will significantly improve the ecotope of fish shelter, make the more aobvious nature of fish shelter, planktonic adhesive rate is higher, and the soft intensive bar shaped space of sea-tangle is well suited for hiding large fish and chases, it simultaneously also is the good product institute of laying eggs, can absorb peripheral halobiontic excreta in the sea-tangle process of growth, strengthen the water body detergent power, be fit to existence and the growth of young postlarva.
Be cut into the strip plastic strip 17 that width is 1mm ~ 5mm at large 2 bottles of bottom opening places of plastic bottle along axis direction, plastic strip 17 is to turning up 60 ° ~ 90 °, and bottle end plastic strip 17 is the radiating spokes strip.The plastic strip 17 of radiating spokes strip is 60 ° ~ 90 ° angles with body at the bottom of the plastic bottle A bottle, can improve planktonic bond area like this.Spheroid connector 1 interior spatial placement has cotton-wool group 12, and described cotton-wool is rolled into a ball 12 li and is provided with marine alga spore 14.Cotton-wool group 12 after the imbibition is difficult for dropping out from the spheroid connector 1 of hollow, the marine alga spore 14 that cotton-wool group is 12 li can develop into marine alga and constantly breeding under suitable condition, throw in the initial stage at fish shelter, in the not high situation of reefs plankton adhesive rate, for young postlarva provides food.Pass all little plastic bottle A and little plastic bottle B4 with a bifilar rope made of hemp and be linked to be a spherical outer cover net near the hole at the bottle end.The coarse surface of the bifilar rope made of hemp is easy to the planktons such as periphtic algae, for young postlarva growth provides with many food sources, hole at the bottom of rope 16 passes bottle connects into a spherical outer cover net, complicated network structure can limit the rotation that bottle produces wide-angle, thereby guarantee integrally-built fastness, when seabed throwing the type fish shelter, the outer cover net can prevent from mutually intersecting between the fish shelter.The more complicated space of hiding is provided when also hiding large fish for small fish simultaneously.
A kind of floated young postlarva protective device of the present invention adopts cost low, corrosion-resistant, and the waste plastic bottle building of asepsis environment-protecting forms; it is large to have the halomereid bond area; the inner space is complicated and changeable, has again the ecological functions of auto purification ability simultaneously, is fit to very much young postlarva and perches existence.
Claims (9)
1. floated young postlarva protective device; it is characterized in that; the spheroid connector (1) that comprises hollow; from sinker (10); some bottomless large plastic bottles (2); some bottomless little plastic bottle A(3); at least one has the little plastic bottle B(4 in the end) and at least one complete little plastic bottle C(5); described spheroid connector (1) is comprised of the annulus on some different longitudes and the latitude; be provided with some screwed holes (6) on the described annulus; described large plastic bottle (2) is fixed in spheroid connector (1) outside by whorl of bottleneck and screwed hole (6); described large plastic bottle (2) body is provided with some circular holes (8); described little plastic bottle A(3); little plastic bottle B(4); with little plastic bottle C(5) to pack into respectively corresponding large plastic bottle (2) inner; and be threaded connection sleeve pipe (7) and be fixedly connected with large bottleneck; described little plastic bottle A(3) body is provided with some circular holes (8); described little plastic bottle B(4) body is provided with some bar-shaped troughs (9); described little plastic bottle C(5) bottle mouth position is provided with sealing-plug, describedly is connected with spheroid connector (1) by stay cord (11) from sinker (10).
2. a kind of floated young postlarva protective device according to claim 1; it is characterized in that; described screw joint casing (7) is the sleeve pipe with the shaft shoulder; the inside pipe wall of the larger end of described casing diameter is provided with internal thread (71); this internal thread (71) and little plastic bottle A(3) or little plastic bottle B(4) or little plastic bottle C(5) whorl of bottleneck cooperate; the less end pipe outer wall of described screw joint casing (7) cooperates with large plastic bottle (2) bottleneck inwall; the less end of described screw joint casing (7) diameter is provided with cam ring bayonet socket (72) along the circular section, locate to be provided with two elongated slots (73) along axis direction at cam ring bayonet socket (72).
3. the young postlarva protective device of a kind of ecological, environmental protective according to claim 1 and 2 is characterized in that, described little plastic bottle B(4) the inner cotton-wool group (12) that is provided with, the inner kelp spore (13) that is provided with of described cotton-wool group (12).
4. the young postlarva protective device of a kind of ecological, environmental protective according to claim 3 is characterized in that, described little plastic bottle B(4) bottle is provided with some bar shaped slotted holes (15) in an end.
5. according to claim 1 or 3 or 4 or 5 described a kind of floated young postlarva protective devices; it is characterized in that; the place is cut into strip plastic strip (17) along axis direction at large plastic bottle (2) bottle bottom opening; to turning up 60 ° ~ 90 °, plastic strip (17) is the radiating spokes strip at the bottom of making bottle with described plastic strip (17).
6. the radial young postlarva aggregation apparatus of a kind of sphere according to claim 5 is characterized in that, described plastic strip (17) width is 1mm ~ 5mm.
7. according to claim 5 or 6 described a kind of floated young postlarva protective devices, it is characterized in that, utilize a rope (16) to pass all little plastic bottle A(3) and little plastic bottle B(4) connect into the outer cover net of a stereochemical structure near the hole at the bottle end.
8. the radial poly-fish member of a kind of sphere according to claim 7 is characterized in that, the bifilar rope made of hemp of described rope (16).
9. according to claim 1 and 2 or 8 described a kind of floated young postlarva protective devices, it is characterized in that the interior spatial placement of described spheroid connector (1) has cotton-wool group (12), the inner marine alga spore (14) that is provided with of described cotton-wool group (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210537178.0A CN103070100B (en) | 2012-12-13 | 2012-12-13 | Floating larval fish protecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210537178.0A CN103070100B (en) | 2012-12-13 | 2012-12-13 | Floating larval fish protecting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103070100A true CN103070100A (en) | 2013-05-01 |
| CN103070100B CN103070100B (en) | 2014-06-11 |
Family
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| US4196694A (en) * | 1978-02-09 | 1980-04-08 | Buchanan Robert R | Artificial reef elements and method of deploying same |
| US4947791A (en) * | 1988-08-19 | 1990-08-14 | Laier James E | Artificial reef system |
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| CN203105323U (en) * | 2012-12-13 | 2013-08-07 | 浙江海洋学院 | Suspended larvae protection device |
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| CN103070100B (en) | 2014-06-11 |
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Address after: 316000 No. 18 Sea Road, Dinghai, Dinghai, Zhejiang, Zhoushan, China Patentee after: Zhejiang Ocean University Address before: 316000 No. 18 Sea Road, Dinghai, Dinghai, Zhejiang, Zhoushan, China Patentee before: ZHEJIANG OCEAN University |
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Application publication date: 20130501 Assignee: ZHOUSHAN HAIYOO SCIENCE & TECHNOLOGY CO.,LTD. Assignor: Zhejiang Ocean University Contract record no.: X2023980045981 Denomination of invention: A suspended juvenile fish protection device Granted publication date: 20140611 License type: Common License Record date: 20231106 |