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A net for collecting live germplasm of wild large yellow croaker

A large yellow croaker, living technology, applied in fishing, fishing nets, applications, etc., can solve problems such as difficulty in collecting live germplasm, and achieve the effects of improving the survival rate of collection, accurate fishing, and preventing internal organs from breaking.

Active Publication Date: 2017-05-03
宁德市富发水产有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a collection net for wild large yellow croaker living germplasm, to overcome the lack of collection nets specially used for wild large yellow croaker living germplasm in the market, resulting in the difficulty of collecting live germplasm, and to provide a A collection net specially used for wild large yellow croaker living germplasm with simple structure, low cost, high fishing accuracy, and can greatly improve the survival rate of living germplasm collection

Method used

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  • A net for collecting live germplasm of wild large yellow croaker
  • A net for collecting live germplasm of wild large yellow croaker
  • A net for collecting live germplasm of wild large yellow croaker

Examples

Experimental program
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Effect test

Embodiment 1

[0014] Embodiment 1: A kind of collection net of wild large yellow croaker live germplasm

[0015] Such as figure 1 , figure 2 , image 3 As shown, the collection net includes a fishing net and a cable, and the fishing net is connected to the two ends of the head and tail of the fishing boat 2 by two first cables 1, and a miniature underwater camera 3 is arranged at the bottom of the fishing net. The top of the lens of the miniature underwater camera 3 is provided with a red signal light 4 that can constantly flash, and the miniature underwater camera 3 is connected to the LED display 5 on the fishing boat 2; the mesh of the fishing net is from top to bottom The bottom of the fishing net is provided with a slipknot outlet 6, and plumb weights 7 are bolted around the slipknot outlet 6. The fishing net includes an upper section of nylon net 8 and a lower section of plastic cloth fishing net 9. The nylon net 8 and plastic cloth The fishing net 9 is connected by a fixed sleeve...

Embodiment 2

[0017] Embodiment 2: the use method of the collection net of wild large yellow croaker live germplasm, comprises the following steps:

[0018] (1) Net release: Tighten the slipknot outlet 6 at the bottom of the fishing net, control the length of the first cable 1 at both ends of the fishing boat 2, stretch the second cable 11, and sink the fishing net into seawater with wild large yellow croakers The fixing sleeve 10 in the layer and fishing net is in the state of maximum diameter;

[0019] (2) Fishing: Start the miniature underwater camera 3, red signal light 4 and LED display 5, the miniature underwater camera 3 transmits the situation in the water body to the LED display 5, when the wild large yellow croaker enters the nylon net 8 of the fishing net , the red signal light 4 constantly flickers to attract wild large yellow croakers to swim to the plastic cloth fishing net 9, after the wild large yellow croaker enters the plastic cloth fishing net 9, tighten the second cable ...

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Abstract

The invention provides a net tool for collecting wild large yellow croaker living germplasm. The net tool provided by the invention comprises a fishing net and cables, wherein the fishing net is connected to the head and the tail of a fishing boat through two first cables; a micro underwater camera is arranged on the bottom of the fishing net; a red signal lamp is arranged on the top of a lens of the micro underwater camera; the micro underwater camera is connected to an LED (light-emitting diode) display screen on the fishing boat; meshes of the fishing net are gradually shrunk from top to bottom; a slipknot outlet is formed in the bottom of the fishing net; plumb bobs are fastened to the periphery of the slipknot outlet; the fishing net comprises an upper section of nylon net and a lower section of plastic fabric fishing net which are connected with each other through a fixing sleeve; a stretching end of the fixing sleeve is connected with the fishing boat through a second cable. The net tool is simple in structure, low in manufacturing cost and high in fishing survival rate and can provide high-quality wild large yellow croaker sources to the large yellow croaker living germplasm.

Description

technical field [0001] The invention relates to the technical field of fishing equipment for marine aquatic products, in particular to a net for collecting live germplasm of wild large yellow croakers. Background technique [0002] Large yellow croaker, also known as yellow croaker, cucumber, and yellow croaker, was once one of the famous "four major marine economic fishes" in China, and its output is second only to hairtail and pelagic fish. It is distributed from the south of the Shandong Peninsula in the Yellow Sea to the east of the Leizhou Peninsula in the South China Sea. Since the 1960s, the large yellow croaker, once one of the four major fish seasons, has faced extinction due to the excessive intensity of artificial fishing and the severe damage to the reproductive and growth environment suitable for large yellow croaker spawning and feeding. At present, the three wild populations of large yellow croaker are scattered in various sea areas, but their market price is...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K73/02A01K75/02
CPCA01K73/02A01K75/02
Inventor 韩坤煌黄伟卿陈佳柯巧珍郑炜强
Owner 宁德市富发水产有限公司