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Fish sample collecting device

A sample collection and fish technology, which is applied in the field of fish investigation and research, can solve problems such as lack of perfect methods, inability to collect fish, and difficulty in ensuring the survival of samples, so as to achieve the effect of improving balance and reducing swing

Pending Publication Date: 2022-03-18
HEILONGJIANG RIVER FISHERY RES INST CHINESE ACADEMY OF FISHERIES SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Generally speaking, when surveying and sampling fish in rivers, ground cages and gillnets are generally used for sample collection according to the different water layers in which the fish live. However, this survey method has its limitations. First, quantitative analysis cannot be prepared. Except for ground cages, it is difficult to ensure the survival of samples, and again, it is impossible to accurately collect fish in different water layers
In addition, the collection requirements for juvenile fish are more stringent, and there is no particularly perfect method

Method used

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Embodiment Construction

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0023] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0024] The present invention provides a fish sample collection device, comprising a support mechanism, a fixing mechanism and a collection mechanism, the support mechanism is set corresponding to the collection mec...

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Abstract

The invention discloses a fish sample collecting device which comprises a supporting mechanism, a fixing mechanism and a collecting mechanism, the supporting mechanism and the collecting mechanism are correspondingly arranged, the fixing mechanism and the supporting mechanism are correspondingly arranged, the supporting mechanism comprises a floating platform, the floating platform floats on the water surface, and the fixing mechanism comprises a fixing anchor fixed underwater. The top end of the fixed anchor is fixedly connected with a floater through a noose, the floater is fixedly connected with a flow guide piece through a noose, and the floating platform is fixedly connected with the flow guide piece through a noose and fixedly connected with the collecting mechanism through a noose. The device can quantitatively collect fish samples with different inhabiting depths, can ensure that the collected fishes are in a survival state, meets different research requirements, and can release the fish samples after no-damage research, so that the damage to the fishes is reduced.

Description

technical field [0001] The invention relates to the technical field of fish investigation and research, in particular to a fish sample collection device. Background technique [0002] When investigating and studying the relationship between fish and hydrodynamics in river fish resources, according to the requirements of the research content, it is necessary to collect fish samples from different water layers in the river. According to the different habits of fish, different types and sizes of fish live in different water layers. In order to collect fish samples more comprehensively, it is necessary to collect samples of different water layers and different sizes. Generally speaking, when surveying and sampling fish in rivers, ground cages and gillnets are generally used for sample collection according to the different water layers in which the fish live. However, this survey method has its limitations. First, quantitative analysis cannot be prepared. Except for ground cages...

Claims

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Application Information

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IPC IPC(8): B63B35/00B63B21/50B63B39/00G01N1/08
CPCB63B35/00B63B21/50B63B39/005G01N1/08
Inventor 白淑艳王鹏覃东立陈中祥王继隆
Owner HEILONGJIANG RIVER FISHERY RES INST CHINESE ACADEMY OF FISHERIES SCI
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