Terraced field type biological ditch wetland hydro-fluctuation belt treatment method based on seed bank
A seed bank and water-fluctuation zone technology, which is applied in botany equipment and methods, plant cultivation, plant protection, etc., can solve problems such as difficult attachment, large water level difference in the water-fluctuation zone, and difficult vegetation recovery growth, etc., to reduce loss , The effect of buffering and scouring
Pending Publication Date: 2022-01-21
JIANGXI ACAD OF FORESTRY
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Problems solved by technology
[0003] Existing water-fluctuation zone control technology is a comprehensive problem. The current related technologies do not have the effect of restoring natural groups, and it is difficult to adapt to water level changes in the water-fluctuation zone.
Because the water level in the water-fluctuation zone is large and the slope is steep, it is difficult for plant seeds to attach to the water-fluctuation zone, and it is difficult for vegetation to recover.
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[0025] This part will describe the specific embodiment of the present invention in detail, and the preferred embodiment of the present invention is shown in the accompanying drawings. Each technical feature and overall technical solution of the invention, but it should not be understood as a limitation on the protection scope of the present invention.
[0026] In the description of the present invention, it should be understood that the orientation descriptions, such as up, down, front, back, left, right, etc. indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only In order to facilitate the description of the present invention and simplify the description, it does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
[0027] I...
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The invention discloses a terrace type biological ditch wetland hydro-fluctuation belt treatment method based on a seed bank, and relates to the field of wetland hydro-fluctuation belt remediation. The specific method is as follows: a hydro-fluctuation belt is transformed into a terrace type structure, the terrace type structure is provided with three different remediation treatment layers according to the water level, each remediation treatment layer corresponds to a step, a long ditch is arranged on the step, different seed banks are placed on each step; the gradient of the upstream face of the hydro-fluctuation belt is larger than or equal to 70 degrees. According to the method, a seed bank technology and a terrace wetland are combined, the hydro-fluctuation belt is subjected to terrace type microtopography transformation, the long ditch is pulled out on the terrace type topography at different water levels through an adaptive vegetation seed bank technology, biological ditches are formed at different water levels, dry branches and fallen leaves on the bank are carried by surface runoff to be flushed into the biological ditches, different vegetation can grow on the revetment along with the change of the water level when the plant seed bank is translated at the same elevation.
Description
technical field [0001] The invention relates to the technical field of hydrofluctuation zone restoration, in particular to a method for controlling a hydrofluctuation zone in a terraced biological ditch wetland based on a seed bank. Background technique [0002] In the wetland sink zone, drought-tolerant plants will be drowned during the water storage period, and flood-tolerant plants will dry out and die during the dry season. Without plants, water and soil will be lost along with the river water, polluting the water body. Therefore, the ecological management of the water-fluctuating zone is called a world-class problem. Especially in the water-fluctuating zones of large lakes and reservoirs, vegetation lacks certain site conditions, making it difficult to grow and survive. In the treatment of wetland water-fluctuating zones, certain micro-terrain transformations will be adopted, and the transformation method of single-plant vegetation will not achieve the effect of biodi...
Claims
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IPC IPC(8): A01G22/00A01G13/02A01G31/00E02B3/12A01G9/029
CPCA01G22/00A01G31/00A01G13/0268E02B3/12A01G9/0293A01G9/0291
Inventor 朱仔伟梅雅茹兰志春唐山刘俊陈和平曹中有曾文昌
Owner JIANGXI ACAD OF FORESTRY