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Combined type artificial fish nest and using method thereof

A kind of artificial fish and composite technology, applied in the fields of application, fish farming, climate change adaptation, etc., can solve the problem of no effect on the fish that lay sticky stone eggs at the bottom, and achieve the effect of various spawning environments

Inactive Publication Date: 2020-08-11
中国长江三峡集团有限公司中华鲟研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, in the process of ecological protection, the artificial fish nests mostly adopt surface parallel fish nests, and the placed water bodies are mostly the surface water bodies of shallow reservoir bays. play a certain role in species reproduction, but it has basically no effect on bottom-laying stone-laying fish

Method used

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  • Combined type artificial fish nest and using method thereof
  • Combined type artificial fish nest and using method thereof
  • Combined type artificial fish nest and using method thereof

Examples

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Embodiment Construction

[0023] Such as figure 1 As shown, a compound artificial fish nest includes an upper layer fish nest and a lower layer fish reef, the upper layer fish nest includes a floating body frame 1, the floating body frame 1 is connected with the lower layer fish reef through a connecting mechanism, and multiple sets of arrangement mechanisms are arranged on the floating body frame 1 2. In this embodiment, the arrangement mechanism 2 is a rope, and the end of the rope is connected to the buoy frame 1. The arrangement mechanism 2 is distributed in rows or columns, and the interval between the arrangement mechanisms 2 is 0.5m. Attach the matrix 3, and the adhesion matrix 3 can select straw for use.

[0024] In this embodiment, the buoy frame 1 includes a connecting pipe 101 on which a buoyant bucket 102 is tied. The number of connecting pipes 101 is eight, two of which are placed in parallel on each side, and the floating body frame 1 forms a rectangular main frame. Two connecting pipes...

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Abstract

The invention provides a combined type artificial fish nest. The combined type artificial fish nest comprises an upper-layer fish nest and a lower-layer fish reef, wherein the upper-layer fish nest comprises a floating body frame; the floating body frame is connected with the lower-layer fish reef through a connecting mechanism; a plurality of groups of arrangement mechanisms are arranged on the floating body frame; and a plurality of groups of adhesion matrixes are arranged on the arrangement mechanisms. The fish nest can be placed in still water and running water, is suitable for water bodies with different depths, and provides a stable and diversified spawning environment for fishes producing adhesive eggs.

Description

technical field [0001] The invention relates to the field of artificial fish nests, in particular to a composite artificial fish nest and its use method. Background technique [0002] The construction of water conservancy and hydropower has changed the original hydrological conditions of the river and destroyed the habitat of the original spawning grounds. The spawning grounds of fish that lay sticky eggs have been submerged in the reservoir area, resulting in a sharp decrease in the number of aquatic plants, and the fish that lay sticky eggs Due to changes in water depth or sedimentation, the fish spawning grounds lost their original spawning ground functions, resulting in a serious shortage of fish spawning grounds, and the reproductive rate and natural population showed a downward trend. At present, in the process of ecological protection, the artificial fish nests mostly adopt surface parallel fish nests, and the placed water bodies are mostly the surface water bodies of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/17A01K61/60A01K61/65A01K61/70
CPCA01K61/17A01K61/60A01K61/65A01K61/70Y02A40/81
Inventor 李博姜伟黄涛
Owner 中国长江三峡集团有限公司中华鲟研究所
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