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Device and method for determining anti-flooding and anti-scouring performances of aquatic plants

A technology of aquatic plants and anti-shock performance, applied in measuring devices, weather resistance/light resistance/corrosion resistance, instruments, etc., can solve problems such as lack of water flow rate plants, and achieve the effect of strong promotion value, smooth water flow, and convenient operation.

Inactive Publication Date: 2013-05-08
BEIJING FORESTRY UNIVERSITY +1
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Problems solved by technology

[0003] In the prior art, the plant flooding stress experiments are all carried out in pot experiments under still water conditions, which is quite different from the riparian habitat, and lacks the influence of water flow rate on plants.

Method used

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  • Device and method for determining anti-flooding and anti-scouring performances of aquatic plants

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specific Embodiment

[0027] Such as figure 1 As shown, the aquatic organism planting system 6 floats in the tank body 3 and is fixed on the tank body with screws. Aquatic plants are planted in the aquatic organisms planting system 6, and the substrate is fine sand and clay soil of 30 cm in the bottom layer, gravel and sand mixture of 5-10 mm in the middle layer of 40 cm, and pebbles with a thickness of 20 cm in the upper layer. After the experiment started, the flow rate control system 5 was turned on, and the water pump in the system absorbed the water in the tank body 3 and entered the aquatic organism planting system 6 through the timing device 7 and the water inlet 1. The medium outlet water enters the tank body 3, and the flow meter 4 is set at the water outlet 2 to measure the water flow rate after being washed by the plants, and the flow rate in the flow rate control system 5 and the flow rate reading in the flow meter 4 are analyzed by the computer data processing system.

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Abstract

The invention discloses a device and a method for determining anti-flooding and anti-scouring performances of aquatic plants. The device comprises a tank body and an aquatic organism planting system, wherein the aquatic organism planting system floats in water in the tank body; the aquatic organism planting system is provided with a water inlet and a water outlet, a current meter is arranged at the water outlet, a flow rate control system and a timing device are arranged at the water inlet, and the water inlet and the water outlet are respectively communicated with the water in the tank body; and the current meter, the flow rate control system and the timing device are respectively connected with a computer data processing system. The flow rate control system is used for controlling the water flow to perform a washing and flow capacity experiment on the aquatic plants planted in a tank of the device, the flow rate blocked by the aquatic plants is measured at the water outlet, and plant lodging data are recorded in the experiment; and the method and the device are convenient to operate, the volume of the device is small, and the water flows smoothly in the device, so that the method and the device can be quickly and accurately used for aquatic plants-related scientific experiments.

Description

technical field [0001] The invention relates to an ecological environment protection and treatment equipment, in particular to a device and method for measuring the flooding resistance and anti-scour performance of aquatic plants. Background technique [0002] In order to beautify or green the river channel, constructing artificial vegetation is one of the important measures to improve the ecological environment of the water-fluctuating zone. It is necessary to plant aquatic plants in the riparian zone, and the screening experiment of aquatic plants must be carried out. It has important application significance in the practice of wetland vegetation restoration, and it directly contributes to the formation of key technical parameters of bank slope vegetation belt. [0003] In the prior art, the plant flooding stress experiments are all carried out in pot experiments under still water conditions, which is quite different from the riparian habitat and lacks the influence of wat...

Claims

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Application Information

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IPC IPC(8): G01N33/00G01N17/00
Inventor 王冬梅王晶刘艳
Owner BEIJING FORESTRY UNIVERSITY
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