Waterweed collection device and waterweed collection method used for shallow water

Abstract

The invention relates to a waterweed collection device and a waterweed collection method thereof used for shallow water. The waterweed collection device comprises a first grab part and a second grab part, both of which are opposite to each other. The bottom side edge of the first grab part is provided with a first occlusion part. The bottom side edge of the second grab part is provided with a second occlusion part. The first occlusion part is occluded with the second occlusion part. The waterweed collection device further comprises a first arm of force and a second arm of force. The first arm of force and the second arm of force are rotatably connected with the first grab part and the second grab part in an intersected mode via a connection part and are stretched at certain angles under external force. The first grab part and the second grab part stretch out under drive of the first arm of force and the second arm of force. Openings are thus formed. The waterweed collection device has following beneficial effects: the waterweed collection device is simple in structure, easy and convenient in operation, low in manufacture cost and fine in waterweed collection effect; and the requirement for quantitative and qualitative surveys of waterweed resources is satisfied.

Description

technical field [0001] The invention relates to a device for collecting aquatic plants and a method thereof, in particular to a device for collecting submerged plants in wetlands and shallow grass lakes and a method thereof. Background technique [0002] Aquatic plants generally refer to herbaceous plants that can grow in water. Aquatic plants refer to the group of plants that are physiologically attached to the aquatic environment and at least part of their reproductive cycle takes place in or on the water surface. Aquatic plants are habitats and shelters for many aquatic animals. Aquatic plants and fish cooperate with each other, complement each other, and complement each other. Under the light, aquatic plants absorb carbon dioxide in the water for photosynthesis and release oxygen for aquatic animals to breathe; aquatic plants also absorb nutrients in the water to reduce organic pollution and purify water quality. [0003] Wetlands and lakes are important natural resour...

AI Technical Summary

Problems solved by technology

In shallow water sampling work in the field, mesh, rope or other self-made devices are often used. These devices are simple to operate and easy to prepare, but the collection effect is not ideal, and qualitative and quantitative analysis cannot be performed.

At present, there are few special aquatic plant collection devices, and the existing devices are difficult to have the characteristics of simple production, convenient use, and quantitative analysis of samples.

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