A kind of experimental device and experimental method of vegetation ecological index under field conditions

A technology of ecological indicators and experimental devices, applied in the field of ecological environment, can solve problems such as low real reliability, and achieve the effects of improving real reliability, improving work efficiency, and reliable structure

Active Publication Date: 2021-11-02
CHINA INST OF WATER RESOURCES & HYDROPOWER RES +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to provide a kind of vegetation ecological index experimental device and its experimental method under field conditions, to solve the problem of low authenticity and reliability of vegetation ecological index experiments under existing field conditions

Method used

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  • A kind of experimental device and experimental method of vegetation ecological index under field conditions
  • A kind of experimental device and experimental method of vegetation ecological index under field conditions
  • A kind of experimental device and experimental method of vegetation ecological index under field conditions

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] Embodiment one: if image 3 As shown, the soil layer 12 is obliquely inserted with a transparent tube 13, and the end of the transparent tube 13 extends to the outside of the isolation frame 10, and the soil layer 12 is sequentially provided with multiple groups of soil moisture meters 14 from top to bottom. Through the function of the transparent tube 13, the growth status of the vegetation root system in the isolation unit 1 can be intuitively monitored, and the soil moisture meter 14 is used to detect the soil moisture in the isolation unit 1, and according to the setting method from top to bottom, the isolation can be realized. Moisture distribution in different layers of soil in unit 1.

Embodiment 2

[0046] Embodiment two: if Figure 4 As shown, the auxiliary mechanism 2 includes a transparent water baffle 20 , and the four peripheral corners of the transparent water baffle 20 are respectively connected with the supporting rods 111 . The structure of the auxiliary mechanism 2 is formed to form experimental conditions such as drought or no rain or snow cover, and by setting the control group and the experimental group for repeated experiments and comparisons, the influence on the ecological growth of vegetation under different conditions is obtained, and the transparent water barrier 20 There is a distance between it and the isolation unit 1 to ensure the natural circulation of air. The water barrier is made of transparent material, which can ensure the sunlight and improve the reliability and accuracy of the experiment.

Embodiment 3

[0047] Embodiment three: as Figure 5 As shown, the auxiliary mechanism 2 includes a water storage tank 21 and first bushings 22 arranged at four peripheral corners of the water storage tank 21 , and evenly distributed through holes are opened on the bottom plate of the water storage tank 21 . The structure of the auxiliary mechanism 2 forms experiments on other artificial conditions such as artificial rainfall or water and fertilizer or different concentrations of solutes. The water storage tank 21 is filled with different volumes of water according to the experimental requirements to simulate different levels of precipitation. The water passes through the through holes on the bottom plate. Drip from top to bottom to form evenly distributed artificial precipitation. By testing the differences in soil physical, chemical, biological, and vegetation physiological and ecological indicators in isolated plots under different precipitation treatments, it is possible to further ident...

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Abstract

The invention discloses an experimental device for vegetation ecological indicators under field conditions, comprising a plurality of isolation units arranged at intervals and an auxiliary mechanism detachably connected to the isolation units; the isolation unit includes a plurality of isolation frames arranged at intervals and having a hollow structure inside The body and the support frame arranged at the four peripheral corners of the isolation frame body, the auxiliary mechanism is detachably connected to the support frame, and a soil layer is laid in the isolation frame body. The experimental device has a reliable structure and is easy to use. According to the needs of the experiment, an appropriate number of isolation units are selected to be buried under natural conditions in the field, and auxiliary mechanisms of different structures are installed according to the needs of the experimental conditions, so as to realize the reliability of vegetation ecological indicators in the natural state of the field. The detection can effectively improve the authenticity and reliability of the detection results, and through the detachable connection between the isolation frame and the auxiliary mechanism, the convenience of disassembly and assembly is effectively improved, and the work efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of ecological environment, in particular to an experimental device and an experimental method for vegetation ecological indicators under field conditions. Background technique [0002] The development trend of carrying out experimental research on vegetation physiology, ecology, and hydrology is to pay more attention to controlled or semi-controlled experiments under field conditions in order to obtain the mechanism and laws closest to nature itself, while indoor artificial control experiments carried out in the past usually ignored or destroyed This natural state greatly affects the authenticity and accuracy of ecological research on vegetation under field conditions. Contents of the invention [0003] The object of the present invention is to provide a vegetation ecological index experiment device and its experimental method under field conditions, so as to solve the problem of low authenticity and relia...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N33/24
CPCG01N33/24A01B79/02A01G7/00A01B79/00A01B79/005G01N33/246
Inventor 宋一凡卢亚静王煜严登华刘铁军秦天玲翁白莎李传哲徐晓民温云浩王健高天明崔英杰闫影董智潘嘉琛
Owner CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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