Degraded wetland vegetation recovery method

A technology for wetland vegetation and restoration methods, which is applied in the field of rapidly and efficiently restoring degraded wetland vegetation and restoration of degraded wetland vegetation, can solve the problems of low cost of seed sowing, single landscape, and large environmental damage, so as to protect biodiversity and landscape. Good naturalness and the effect of expanding wetland area

Active Publication Date: 2020-05-15
CAPITAL NORMAL UNIVERSITY
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Problems solved by technology

Among them, for plants that can reproduce asexually, vegetative body transplantation is a method with a high success rate, but this method is only suitable for the recovery of small areas or local vegetation, and its naturalness is poor, and its maintenance cost is high and labor-intensive. The landscape is single; the turf transplantation method has a high success rate and goo

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  • Degraded wetland vegetation recovery method
  • Degraded wetland vegetation recovery method

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example 1

[0121] For a degraded wetland for many years, adopt the degraded wetland vegetation restoration method of the present invention, and use the provenance healthy wetland soil seed bank resources to carry out surface vegetation transplantation on the degraded wetland (refer to the aforementioned steps 1 to 3 for the specific process), wherein, The importance value is calculated as follows:

[0122] (1) Sampling, seed germination test, plant species identification and quantity statistics are carried out on the healthy wetland of the selected provenance (the specific method is as described in step 1 above), and the species of wetland plants and non-wetland plants in the healthy wetland of the provenance are obtained A total of 47 species (including 35 wetland plants and 12 non-wetland plants),

[0123] Take the wetland plant Trifoliate ghost needle as an example to calculate the important value:

[0124] Important value = (relative density + relative frequency + relative coverage)...

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Abstract

The invention discloses a degraded wetland vegetation recovery method, and belongs to the technical fields of environmental protection and ecological engineering. The method comprises the following steps: conducting background situation survey on a degraded wetland region; selecting healthy wetland with habitat conditions similar to those of degraded wetland as a provenance; conducting soil layingon a degraded wetland soil laying area by means of surface soil, containing a soil seed library, in the provenance, and conducting water supplementing to recover vegetation of the degraded wetland; and the like. According to the method, the soil seed library of the healthy wetland is used for conducting ex-situ recovery on the degraded wetland, a significant recovery effect can be obtained in 1-2years, and the method is easy to operate, good in sustainability, less in manual maintenance and high in success rate, and can be used for future ecological construction and wetland recovery projects.

Description

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Claims

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Application Information

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Owner CAPITAL NORMAL UNIVERSITY
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