CN107853227B - Triangular table fish reef for improving river-bay river beach habitat of fishes at upstream of Yangtze river - Google Patents

Triangular table fish reef for improving river-bay river beach habitat of fishes at upstream of Yangtze river Download PDF

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Publication number
CN107853227B
CN107853227B CN201711361493.1A CN201711361493A CN107853227B CN 107853227 B CN107853227 B CN 107853227B CN 201711361493 A CN201711361493 A CN 201711361493A CN 107853227 B CN107853227 B CN 107853227B
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table top
fish reef
river
hole
artificial fish
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CN107853227A (en
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王凯
朱越
章守宇
韩挚阳
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Shanghai Ocean University
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Shanghai Ocean University
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K61/00Culture of aquatic animals
    • A01K61/70Artificial fishing banks or reefs
    • A01K61/77Artificial fishing banks or reefs of monolithic form, e.g. blocks
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Zoology (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Artificial Fish Reefs (AREA)

Abstract

The invention relates to the technical field of construction of fishery infrastructure; the invention provides a triangular table fish reef for improving the habitat of a fish estuary on the upstream of a Yangtze river, which is formed by embedding and stacking a plurality of artificial fish reef bodies, wherein the artificial fish reef bodies are formed by casting concrete at one time, and comprise an upper table top and a lower table top, and the upper table top and the lower table top are of triangular structures. The invention has the advantages of high strength, strong anti-flow stability, saving the material for reef construction and reducing the manufacturing cost through the structure that the inside of a single reef body is hollow and the lower part is large and small.

Description

Triangular table fish reef for improving river-bay river beach habitat of fishes at upstream of Yangtze river
Technical Field
The invention relates to the technical field of construction of fishery infrastructure, in particular to a reinforced concrete embedding and stacking type reef technology for repairing the habitat of a fish bay river beach at the upstream of a Yangtze river and maintaining fishery resources, which is used for a triangular platform type reef body for construction of artificial reefs at the upstream of the Yangtze river.
Background
Most of the indigenous fishes including loach families at the upper reaches of the Yangtze river have a hole drilling habit and are favored to survive in a pebble substrate environment with a moderate water flow, clear water quality and hidden places.
An artificial fish reef is a structure that is artificially placed in a natural water environment to repair and optimize the ecological environment of the water. It can be used for breeding and trapping various organisms by proper preparation and placement, so as to achieve the purpose of improving the ecological environment of water area.
The traditional artificial fish reef can not finish the fine operation during splicing; the traditional artificial fish reef cannot be well matched with a curved river channel of a Yangtze river; the conventional artificial reef is arranged in the Yangtze river basin to easily affect the ship in the channel.
Therefore, it is necessary to construct a habitat maintenance means to meet the purpose of maintaining the aboveground fishery resources on the upper stream of the Yangtze river.
Disclosure of Invention
The invention aims to provide a tripod fish reef for improving the river beach habitat of fish upstream of Yangtze river.
The invention adopts the technical proposal for solving the technical problems that:
the triangular table fish reef for improving the river beach habitat of the fish in the upstream of the Yangtze river comprises an artificial fish reef body, wherein the artificial fish reef body is formed by casting concrete at one time, the artificial fish reef body is of a hollow structure, three openings are formed in the side face of the artificial fish reef body, the artificial fish reef body comprises an upper table top and a lower table top, and the upper table top and the lower table top are of triangular structures;
the three corners of the upper table top are cut to form an assembly surface I, a first circular through hole is penetrated in the middle of the upper table top, three hemispherical grooves I are concavely arranged on the surface of the upper table top and uniformly distributed on the outer side of the first circular through hole, and a first through hole penetrates through the bottom of the hemispherical grooves I;
the three corners of the lower table top are also cut to form a second assembly surface, sixteen second round through holes uniformly penetrate through the middle part of the lower table top, three hemispherical grooves II are concavely formed in the surface of the lower table top, and second through holes penetrate through the bottom of the hemispherical grooves II;
the first hemispherical groove is matched with the second hemispherical groove.
Furthermore, the side of the artificial fish reef body is of a stepped structure, each side of the stepped part is provided with a male buckle and a female buckle, the male buckle is inserted with a fixed reinforcing steel bar, and the female buckle is provided with a through hole.
Further, a steel ball is embedded in the first hemispherical groove or the second hemispherical groove, a third through hole is formed in the steel ball in a penetrating mode along the radial direction of the steel ball, and the third through hole is matched with the first through hole and the second through hole.
Further, a plant cluster is inserted in the second circular through hole at the lower table surface of the inverted artificial fish reef body.
The invention has the advantages that:
the invention has the advantages of high strength, strong anti-flow stability, saving the reef construction materials, reducing the manufacturing cost and being capable of being well matched with Jiang Dao bent by Yangtze river through the hollow structure with large bottom and small top in the single reef body. Aiming at the habit that indigenous fishes including loach families like to drill holes, the top and the periphery of the reef body are provided with relatively large holes which are mutually communicated when the reef body is combined, so that water flow can smoothly pass through, and the exchange of the inside and surrounding water bodies of the reef body is improved. The plant cluster inserted into the bottom of the inverted reef body forms a fish nest with a certain scale, and the root system of the plant cluster forms a complicated structure in the hollow interior of the reef body, so that the fish shelter is a very good habitat; the fish nest structure forms a three-dimensional structure from top to bottom, various habitats are built for the fish, different habitat types can provide proper habitat environments for the fish in different growth stages, and the maintenance and proliferation of fishery resources are facilitated.
The artificial fish reef is put in the Yangtze river basin, so that some fine operations during reef splicing can be realized, and the artificial fish reef is put in the sea without advantages; the arrangement of the reef body can not influence navigation ships in the Yangtze river; the reinforced concrete material does not pollute the environment, has strong anti-capsizing property and has long service life.
The steel ball embedded in the hemispherical groove I of the artificial fish reef body or the steel ball embedded in the hemispherical groove II of the inverted artificial fish reef body can be in a convex structure on the surface of the reef body, and the pebble structure effect is also achieved.
Drawings
Fig. 1 is a schematic diagram of a tripod fish reef for improving the river beach habitat of a fish estuary upstream of a Yangtze river.
Fig. 2 is a bottom view of a tripod fish reef for improving the river beach habitat of a fish estuary upstream of a Yangtze river.
Fig. 3 is a schematic view of a single-layer combined structure of a plurality of artificial fish reef bodies.
Fig. 4 is a schematic view of a multi-layered combined structure of a plurality of artificial reef bodies.
Corresponding part names are indicated by numerals and letters in the drawings:
wherein: 1-an artificial fish reef body; 2-upper table top; 3-lower table top; 4-male buckle; 5-a female buckle; 21-first assembly face; 22-a first circular through hole; 23-hemispherical groove I; 31-second assembly surface; 32-a second circular through hole; 33-hemispherical groove two.
Detailed Description
In order that the manner in which the above-recited features, advantages, objects and advantages of the invention are obtained, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
Example 1:
referring to fig. 1 and 2, the triangular table fish reef for improving the habitat of a fish estuary upstream of a Yangtze river provided by the invention comprises an artificial fish reef body 1, wherein the artificial fish reef body 1 is formed by casting concrete at one time, the artificial fish reef body 1 is of a hollow structure, three openings are formed in the side surface of the artificial fish reef body 1, the artificial fish reef body 1 comprises an upper table top 2 and a lower table top 3, and the upper table top 2 and the lower table top 3 are of triangular structures;
the three corners of the upper table top 2 are cut to form an assembly surface I21, a first circular through hole 22 is penetrated in the middle of the upper table top 2, three hemispherical grooves I23 are concavely arranged on the surface of the upper table top 2, the three hemispherical grooves I23 are uniformly distributed on the outer side of the first circular through hole 22, and a first through hole penetrates through the bottom of the hemispherical grooves I23;
the three corners of the lower table top 3 are also cut to form a second assembling surface 31, sixteen second round through holes 32 are uniformly formed in the middle of the lower table top 3 in a penetrating manner, three second hemispherical grooves 33 are further concavely formed in the surface of the lower table top 3, and the second through holes penetrate through the bottoms of the second hemispherical grooves 33;
the first hemispherical recess 23 is adapted to the second hemispherical recess 33.
Furthermore, the side surface of the artificial fish reef body 1 is in a stepped structure, each side of the stepped part is provided with a male buckle 4 and a female buckle 5, the male buckle 4 is inserted with a fixing reinforcing steel bar, and a perforation is formed in the female buckle 5.
Further, a steel ball is embedded in the first hemispherical groove 23 or the second hemispherical groove 33, and a third through hole is arranged in the steel ball along the radial direction of the steel ball, and the third through hole is adapted to the first through hole and the second through hole.
Further, a plant cluster is inserted in the second circular through hole at the lower table top 3 of the inverted artificial fish reef body 1.
The invention has the advantages of high strength, strong anti-flow stability, saving the material for reef construction and reducing the manufacturing cost through the structure that the inside of a single reef body is hollow and the lower part is large and small. The plant cluster inserted into the bottom of the inverted reef body forms a fish nest with a certain scale, and the root system of the plant cluster forms a complicated structure in the hollow interior of the reef body, so that the fish shelter is a very good habitat of fish.
Example 2:
referring to fig. 3, fig. 3 is a schematic view of a single-layer combined structure in which a plurality of artificial fish reef bodies are inlaid and connected, and the artificial fish reef bodies can be placed in places with shallow river bays and beaches; the two adjacent artificial fish reef bodies are turned upside down, the male buckle 4 of the reef body and the female buckle 5 of the other reef body are correspondingly embedded and connected with each other, the reef bodies which are connected with each other are embedded, and the reef bodies with the upper lower table top 3 are inserted into the plant clusters in the second circular through holes 32 to form fish nests with a certain scale effect; the hemispherical groove at the top is embedded with a steel ball, so that the pebble structure effect can be achieved.
Example 3:
with reference to fig. 4, fig. 4 is a schematic diagram of a multi-layer combined structure formed by inlaying and stacking a plurality of artificial reef bodies, and considering the situation that the water level is swelled when the water level is discharged in the Yangtze river high water period and the upstream dam, the single-layer reef is not high enough under the situations, so that the situation can be effectively improved by designing the multi-layer combined structure.
In carrying out the multi-layer combined splice structure, the horizontal direction: the two adjacent artificial fish reef bodies are turned upside down and the male buckle and the female buckle are connected in an inlaid manner; vertical direction: the steel balls are embedded in the two hemispherical grooves of the contact surface of the artificial fish reef main body, the steel balls are embedded in the hemispherical grooves at the upper end, the two steel balls are stabilized through steel bars, the steel balls at the upper end play a role in placing a pot of a pebble structure, and the steel balls at the upper end and the steel balls at the contact surface can play a role in fastening and fixing through the steel bars.
The combined reef body is formed by combining two mutually staggered reef bodies with different main shaft lengths, and the two reef bodies have the same structure except that the three main shafts have different lengths. Therefore, the three main shafts of the reef body can be set to be different in length in a certain range, and the reef body with different heights can be stacked to form a stepped structure between layers when the double (multi) layers of reef bodies are stacked, so that the anti-flow stability and the integral strength of the reef body are improved.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (2)

1. The utility model provides an improve tripod fish reef of upstream fish river bay river beach habitat in Yangtze river, includes artificial fish reef main part (1), its characterized in that: the artificial fish reef body (1) is formed by casting concrete at one time, the artificial fish reef body (1) is of a hollow structure, three openings are formed in the side face of the artificial fish reef body, the artificial fish reef body (1) comprises an upper table top (2) and a lower table top (3), and the upper table top (2) and the lower table top (3) are of triangular structures;
the three corners of the upper table top (2) are cut to form an assembly surface I (21), a first circular through hole (22) is formed in the middle of the upper table top (2) in a penetrating mode, three hemispherical grooves I (23) are concavely formed in the surface of the upper table top (2), the three hemispherical grooves I (23) are uniformly distributed on the outer side of the first circular through hole (22), and a first through hole is formed in the bottom of the hemispherical grooves I (23) in a penetrating mode;
the three corners of the lower table top (3) are also cut to form a second assembly surface (31), sixteen second round through holes (32) are uniformly formed in the middle of the lower table top (3), three second hemispherical grooves (33) are concavely formed in the surface of the lower table top (3), and the second through holes penetrate through the bottoms of the second hemispherical grooves (33);
the hemispherical groove I (23) is matched with the hemispherical groove II (33);
the side surface of the artificial fish reef body (1) is in a stepped structure, each side of the stepped part is provided with a male buckle (4) and a female buckle (5), the male buckle (4) is inserted with a fixed reinforcing steel bar, and the female buckle (5) is provided with a through hole;
a steel ball is embedded in the first hemispherical groove (23) or the second hemispherical groove (33), a third through hole is penetrated in the steel ball along the radial direction of the steel ball, and the third through hole is matched with the first through hole and the second through hole.
2. The tripod fish reef for improving the river basin of the fish upstream of the Yangtze river of claim 1, wherein: a plant cluster is inserted in a second circular through hole at the lower table top (3) of the inverted artificial fish reef body (1).
CN201711361493.1A 2017-12-18 2017-12-18 Triangular table fish reef for improving river-bay river beach habitat of fishes at upstream of Yangtze river Active CN107853227B (en)

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Publication number Priority date Publication date Assignee Title
CN111893945B (en) * 2020-07-08 2021-11-23 长江勘测规划设计研究有限责任公司 Ecological structure with three-dimensional characteristic and construction method
CN116746529B (en) * 2023-06-26 2024-01-05 广州陆海生态科技有限公司 Trapezoidal artificial fish reef device

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CN102792904A (en) * 2011-05-27 2012-11-28 白庠铉 Three curvature sided reef for seaweed
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CN207626373U (en) * 2017-12-18 2018-07-20 上海海洋大学 A kind of triangle table fish shelter improving Upper Yangtze River fish river bend river shoal habitat

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