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Collection device of flooded plants

A technology for collecting devices and plants, which is applied to the field of collecting devices for submerged plant bodies, can solve the problems of deviation of dry matter quality data, easy separation of plant bodies from plant bodies, and different nutrient contents, etc., so as to ensure reliability and data accuracy. Effect

Inactive Publication Date: 2015-06-17
QINGDAO AGRI UNIV
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Problems solved by technology

At the same time, after the plant is drowned and died, some of the plant body, such as leaves and fresh parts, are easy to detach from the plant body, resulting in deviations in the data of dry matter; in addition, the detached part is often decomposed more thoroughly, and the nutrient content of this part is also different from that obtained by ordinary methods. sample

Method used

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Embodiment Construction

[0014] In order to make the purpose, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the invention.

[0015] Such as figure 1 The shown device for accurately collecting wetland litter includes a square frame 1 , a mesh bag 2 and a float 3 , one end of the mesh bag 2 is fixedly connected to the square frame 1 , and the other end is fixedly connected to the float 3 .

[0016] Such as figure 2 and 3 The shown square frame 1 is spliced ​​by four splicing pieces, and each splicing piece is composed of a flat plate 12, a steel pipe 11 and an iron rod 13. The two sides of the flat plate 12 are respectively welded with the steel pipe 11 and the iron rod 13. A through slot is provided along the axial direct...

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Abstract

The invention relates to a collection device of flooded plants. The collection device comprises a square framework, a mesh bag and a floater, wherein one end of the mesh bag is fixedly connected with the square framework, and the other end is fixedly connected with the floater. The collection device can effectively reduce loss of dead plants which leave the plants along with water, guarantees the accuracy in measurement, improves the result reliability, ensures that people can learn about the nutrient release and fixed dynamic state of the plants which are flooded and dead, has guidance significance on scientific management of the aquatic system and has a very high academic application value.

Description

technical field [0001] The invention relates to the technical field of ecological environment, in particular to a device for collecting flooded plant bodies. Background technique [0002] In recent years, irrational water resources, land use, and climate change have caused significant changes in the hydrological dynamics of aquatic systems such as rivers and wetlands in northern China: the water level in the dry season is low or even dry and lasts for a long time, while the high water level in the wet season continues short time. Therefore, plants grow luxuriantly when there is no water, but they are easy to drown and die when the rainy season comes. Since 2009, many scholars have started related research on the decomposition of submerged and dead plants in many aquatic systems such as the Three Gorges depletion zone, Dongting Lake, and Poyang Lake. The decomposition rate and nutrient dynamics were analyzed in the bag, but the flooded and dead plants were generally in the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N1/04
Inventor 柳新伟
Owner QINGDAO AGRI UNIV
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