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Method for repairing plant community structure of Alternanthera philoxeroides invasive slash in Caohai wetland

A kind of technology of Neptera chinensis and plant community, applied in botany equipment and methods, water conservancy engineering, horticulture, etc., can solve problems such as restoration of plant community structure in untraceable land, so as to ensure the stability of wetland ecosystem, inhibit invasion, and restore species diversity sexual effect

Inactive Publication Date: 2020-02-11
GUIZHOU MINZU UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, there is still no effective method for restoring the structure of the plant community on the site that has been invaded by A. chinensis.

Method used

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  • Method for repairing plant community structure of Alternanthera philoxeroides invasive slash in Caohai wetland
  • Method for repairing plant community structure of Alternanthera philoxeroides invasive slash in Caohai wetland
  • Method for repairing plant community structure of Alternanthera philoxeroides invasive slash in Caohai wetland

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] according to figure 1 A method for restoring the plant community structure of the invasive site of A. chinensis in Caohai Wetland is shown. The restoration method is specifically a method of replacing invasive alien plants with native plants with economic or ecological value according to the own law of plant community succession. Substituting species The native species of water onion, clover, water sedge, water sedge and Lishihe were selected from the natural distribution of Caohai Lake. The specific community construction method is as follows:

[0028] S1. Plant community construction in the ups and downs area: select the water sedge community and the Lishihe community, and in the lake water ups and downs area, that is, the area where the water body has not been submerged by the lake for more than half a year, plant in a grid format (such as figure 2 shown), the grid spacing is 100cm, and the plant-to-plant spacing is 20cm; and the water sedge community and Lishihe co...

Embodiment 2

[0032] according to figure 1 A method for restoring the plant community structure of the invasive site of A. chinensis in Caohai Wetland is shown. The restoration method is specifically a method of replacing invasive alien plants with native plants with economic or ecological value according to the own law of plant community succession. Substituting species The native species of water onion, clover, water sedge, water sedge and Lishihe were selected from the natural distribution of Caohai Lake. The specific community construction method is as follows:

[0033] S1. Plant community construction in the ups and downs area: select the water sedge community and the Lishihe community, and in the lake water ups and downs area, that is, the area where the water body has not been submerged by the lake for more than half a year, plant in a grid format (such as figure 2 shown), the grid spacing is 100cm, and the plant-to-plant spacing is 20cm; and the water sedge community and Lishihe co...

Embodiment 3

[0037] according to figure 1 A method for restoring the plant community structure of the invasive site of A. chinensis in Caohai Wetland is shown. The restoration method is specifically a method of replacing invasive alien plants with native plants with economic or ecological value according to the own law of plant community succession. Substituting species The native species of water onion, clover, water sedge, water sedge and Lishihe were selected from the natural distribution of Caohai Lake. The specific community construction method is as follows:

[0038] S1. Plant community construction in the ups and downs area: select the water sedge community and the Lishihe community, and in the lake water ups and downs area, that is, the area where the water body has not been submerged by the lake for more than half a year, plant in a grid format (such as figure 2 shown), the grid spacing is 100cm, and the plant-to-plant spacing is 20cm; and the water sedge community and Lishihe co...

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Abstract

The invention discloses a method for repairing plant community structure of Alternanthera philoxeroides invasive slash in Caohai wetland, and particularly relates to the field of Caohai wetland treatment. The method is specifically a method of using native plants of economic or ecological value to replace foreign invasive plants according to the successive law of plant communities, wherein the replacement plants include native species naturally distributed in the Caohai lake, such as Scirpus tabernaemontani, Scirpus yagara, Zizania latifolia, Juncellus serotinus and Leersia hexandra. A specific method of constructing communities includes: S1, constructing plant communities in a riparian area, with Juncellus serotinus community and Leersia hexandra community subjected to grid planting; S2,constructing plant communities in a shallow water area, with Scirpus tabernaemontani community and Scirpus yagara community subjected to belt planting; ad S3, constructing a plant community in a deepwater area, with Zizania latifolia community subjected to belt planting. According to the method, different plants are planted in water areas with different depths, the invasion of Alternanthera philoxeroides can be effectively inhibited, the species diversity of wetland plant communities is restored, and the stability of the wetland ecosystem and the ecological safety of the Caohai wetland are guaranteed.

Description

technical field [0001] The invention relates to the technical field of Caohai wetland management, and more specifically, the invention relates to a method for restoring the plant community structure of a plant community structure in a grassland infestation of A. chinensis. Background technique [0002] Caohai National Nature Reserve is located in the northwest of Guizhou Province. It is the largest freshwater natural wetland lake in Guizhou Province. It is also the main wintering habitat for the black-necked crane (Grus nigricollis) and many rare waterbirds under China's first-class protection. The characteristics of plateau karst wetland ecosystems; Alternanthera philoxeroides has formed an invasion trend in areas such as the ups and downs around the lake in Caohai, waterways, docks, etc., resulting in a decrease in the species diversity of wetland plant communities, destabilizing the wetland ecosystem, and seriously threatening Ecological security of Caohai Wetland. [00...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G2/00E02B1/00
CPCA01G2/00E02B1/00
Inventor 张建利溥丽华龙秀琴
Owner GUIZHOU MINZU UNIV
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