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Device and method for collecting plankton in various water layers

A plankton and collection device technology, which is applied in the direction of measuring devices, sampling devices, sampling, etc., can solve the problems of not being able to collect plankton at the same time, and achieve the effect of reliable technical support

Active Publication Date: 2019-03-29
MARINE FISHERIES RES INST OF ZHEJIANG
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the deficiency that plankton in the prior art cannot collect plankton in each water layer at the same time, and to provide a variable water layer plankton that can conveniently and accurately collect plankton in different water layers. Acquisition device and method

Method used

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  • Device and method for collecting plankton in various water layers
  • Device and method for collecting plankton in various water layers
  • Device and method for collecting plankton in various water layers

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Embodiment Construction

[0023] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0024] Such as figure 1 The illustrated embodiment is a plankton collecting device with variable water layer, which includes a vertically arranged column 1, a circular net tube 2 with a circular cross section on the outside of the column, and a plankton inlet 3 arranged on the net tube. , the flip cover 4 located on the plankton inlet, the weight 5 located at the lower end of the column; the survey ship is fixedly connected with the two ends of the column through the connecting bracket; The cover plate 23 and the lower cover plate, the outer cylinder includes a plurality of vertical support rods 221 and a plankton restraint net 222 arranged on each vertical support rod, the plankton inlet is located on the plankton restraint net; In addition to the cover plate, there are three radially distributed radiation rods 231 arranged on the upper cover...

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Abstract

The invention discloses a device and method for collecting plankton in various water layers. The device comprises a vertically arranged column; a mesh cylinder, which is arranged on the outer side ofthe column and has a circular ring shaped cross section; a plankton inlet arranged in the mesh cylinder; a turning cover arranged on the plankton inlet; and a heavy hammer arranged on the lower end ofthe column. A research ship is fixedly connected to two ends of the column through a connection support. The mesh cylinder comprises an inner cylinder, an outer cylinder arranged on the outer side ofthe inner cylinder, an upper cover plate, and a lower cover plate. The outer cylinder comprises a plurality of vertical supporting rods and plankton trapping nets arranged on the vertical supportingrods. The plankton inlet is arranged in the plankton trapping nets. The upper part of the inner cylinder stretches out of the upper cover plate. The upper cover plate is provided with a plurality of radiation rods arranged in a radial shape. The outer end of each radiation rod is provided with a bowl like container. The provided device and method can collect plankton in all water layers.

Description

technical field [0001] The invention relates to the technical field of marine ecological research, in particular to a device and method for collecting plankton in variable water layers that can conveniently and accurately collect plankton in different water layers. Background technique [0002] Plankton is the main component of the ecosystem, and the effective collection of plankton can further promote ecological research. At present, plankton is mainly collected by horizontal and vertical plankton nets. Due to accidental factors, vertical biological nets cannot guarantee the collection of all plankton species in the ocean. Horizontal collection nets are limited to the collection of surface plankton. Organismal collection is insufficient, and certain plankton species are chronically active in mid- and near-bottom waters. Contents of the invention [0003] The purpose of the present invention is to overcome the deficiency that plankton in the prior art cannot collect plank...

Claims

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Application Information

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IPC IPC(8): A01K80/00G01N1/10
CPCA01K80/00G01N1/10G01N2001/1031
Inventor 蒋日进陈峰周永东郭爱李振华张洪亮李德伟
Owner MARINE FISHERIES RES INST OF ZHEJIANG
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