Investigation tool and investigation method for diversity of stream aquatic organisms

A technology for aquatic organisms and diversity, applied in sampling devices, animal husbandry, fish farming, etc., can solve problems such as ecological risks, immature methods and methods, low efficiency, etc. The effect of improving work efficiency

Inactive Publication Date: 2021-08-06
HANGZHOU ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, in the survey and research of aquatic biodiversity in streams, the traditional on-site contact survey method is still mainly used at present, and the survey of fish and other aquatic organisms mainly uses technical means that are harmful to resources such as electric capture and net capture; aquatic plants, plankton, etc. In situ sampling and analysis methods are mainly used for benthos and

Method used

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  • Investigation tool and investigation method for diversity of stream aquatic organisms
  • Investigation tool and investigation method for diversity of stream aquatic organisms
  • Investigation tool and investigation method for diversity of stream aquatic organisms

Examples

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Embodiment 1

[0032] A device for investigating aquatic biodiversity, such as figure 1 As shown, at least one sampling unit structure is included. The sampling unit structure includes a pipe body 1, a sampling net 2, and a sampling collector 3. The pipe body 1 is a hollow circular pipe structure, and the pipe body 1 is made of PVC or stainless steel. And the diameter is more than 10cm; One end of sampling net 2 is fixed on the end of pipe body 1, and the other end of sampling net 2 is connected with sampling collector 3, and the inner diameter of collector 3 is less than the inner diameter of pipe body 1, and sampling collector 3 is A cup-shaped container with one end open, the sampling collector 3 is provided with an on-off control valve 4, the sampling collector 3 is made of transparent material, and the outer wall surface of the sampling collector 3 is provided with a scale line. The shape of the sampling net 2 is funnel-shaped, and the net body of the sampling net 2 adopts 60-400 mesh s...

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Abstract

The invention belongs to the technical field of water ecology monitoring and investigation, and discloses an investigation device and investigation method suitable for aquatic organisms in water areas with directional water flow such as mountainous rivers and streams, the investigation device comprises at least one sampling unit structure, the sampling unit structure comprises a pipe body, a sampling net and a sampling collector, one end of the sampling net is fixed at the end of the pipe body, the other end of the sampling net is connected with the sampling collector, and the inner diameter of the sampling collector is smaller than that of the pipe body. The problem in the diversity survey of the aquatic organisms in the stream water body is well solved, the working efficiency of the survey is improved, and non-contact survey has small damage to the ecological environment and facilitates the protection of the ecological environment.

Description

technical field [0001] The invention belongs to the technical field of water ecology monitoring and investigation, and in particular relates to an investigation device and investigation method for aquatic organisms in mountainous rivers, streams and other water areas with directional water flow. Background technique [0002] Aquatic life is an important part of global biodiversity, and it is also an important content of biodiversity conservation research in recent years. Different from terrestrial organisms, aquatic organisms have a special living environment, different living habits, and traditional resource survey methods are relatively lagging behind, so many aquatic species lack basic biological data, such as population distribution, population size, and population dynamics, which seriously hinder It facilitates the evaluation, protection, multiplication and release, development and utilization of aquatic biological resources. The traditional survey and research of aqua...

Claims

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Application Information

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IPC IPC(8): G01N1/04G01N1/10A01K80/00
CPCG01N1/04G01N1/10A01K80/00
Inventor 戴杨鑫戴瑜来邵建强冯晓宇王金朋盘家永
Owner HANGZHOU ACAD OF AGRI SCI
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