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A mosaic plant community configuration model in an arid area and a planting method for slope protection vegetation

A plant community and mosaic technology, applied in botany equipment and methods, planting substrates, plant cultivation, etc., can solve the problems of low community stability, monotonous community structure configuration, high maintenance costs, etc., to improve integrity and stability , The vegetation is stable and sustainable, and the effect of preventing invasion risks

Active Publication Date: 2022-02-18
CHENGDU INST OF BIOLOGY CHINESE ACAD OF S
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The main problems of current road slope vegetation restoration technology include: first, a large number of alien species that do not match the original ecosystem, such as vetiver, clover and ryegrass, have low ecological service functions and high ecological risks; Slopes have poor environmental adaptability, monotonous community species composition, monotonous community structure configuration, insufficient resource utilization, low community stability, high maintenance costs, low income, and often decline year by year

Method used

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  • A mosaic plant community configuration model in an arid area and a planting method for slope protection vegetation
  • A mosaic plant community configuration model in an arid area and a planting method for slope protection vegetation
  • A mosaic plant community configuration model in an arid area and a planting method for slope protection vegetation

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Experimental program
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Effect test

Embodiment 1

[0037] The present invention is in representative arid region——Maoxian County, the center section of the arid valley in the upper reaches of the Minjiang River, such as figure 1 As shown in the figure, native plants are planted on the road slope in this area, and a mosaic vegetation structure is configured.

[0038] Mosaic plant community configuration model and slope protection vegetation planting method in arid area:

[0039] (1) Seed acquisition and storage: Select plants with vigorous growth, no pests and diseases, and strong branches to harvest seeds. The small seeds were selected by hand, and the large seeds were selected by water to obtain plump seeds, which were placed in a ventilated and dry environment to dry, packed in dry cloth bags, and stored in a refrigerator at 4°C.

[0040] (2) Slope matrix treatment: select a road slope with a width of 12m, a slope of about 50°, and a volume percentage of gravel in the soil of 33% mixed with soil and rock, with an area of ​​...

Embodiment 2

[0046] (1) Seed acquisition and storage: Select plants with vigorous growth, no pests and diseases, and strong branches to harvest seeds. The small seeds were selected by hand, and the large seeds were selected by water to obtain plump seeds, which were placed in a ventilated and dry environment to dry, packed in dry cloth bags, and stored in a refrigerator at 4°C.

[0047] (2) Slope matrix treatment: select a road slope with a width of 7.8m, a slope of about 43°, and a volume percentage of gravel in the soil of 37% mixed with soil and rock, with an area of ​​86m 2 . Level the slope. Select the 0-20cm soil under the forest, the total organic carbon content is 17.1g kg -1 , pH 5.5, bulk density 1g cm -3 , total nitrogen 2.6g·kg -1 , available phosphorus 8.4mg·kg -1 , available potassium 89mg·kg -1 . Add humus to the slope soil of 0-20cm soil layer according to the ratio of humus: slope soil of 1:5, mix evenly, and carry out 3 parallel experiments.

[0048] (3) Sowing: I...

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Abstract

The invention belongs to the field of ecological management, and specifically discloses a plant community configuration model and a slope protection vegetation planting method using native shrubs and grasses in arid areas. On the basis of mastering the natural conditions of the arid area, road slope matrix conditions and local ecological characteristics, and correctly identifying the key factors that limit the plant colonization on the slope, a configuration model is established by planting different species, and combined with artificial control of slope protection vegetation colonization methods Substrate environment can promote the colonization of native plants on slopes in arid areas, build a stable vegetation structure, increase the coverage of shrub and grass vegetation on slopes, and slow down soil erosion. It solves the serious constraints of environmental factors in arid areas, the difficulty of vegetation restoration, and the hidden dangers of ecological security caused by the introduction of a large number of alien species on slopes.

Description

technical field [0001] The invention relates to the field of ecological management, in particular to a mosaic plant community configuration model in an arid area and a planting method for slope protection vegetation. Background technique [0002] In recent years, the development of road transportation has produced a large area of ​​slopes. The exposed surface, soft soil and high soil gravel content are the main reasons for road soil erosion. Slope vegetation restoration and reconstruction are important measures to prevent slope soil erosion. In slope vegetation restoration, according to the regional arid climate characteristics and slope substrate conditions, select and configure appropriate plant species, establish a complete plant community, maintain the continuous stability of slope vegetation structure and function, reduce input costs as much as possible, increase The ecological and economic effect is the key to the restoration of road slope vegetation. [0003] The ma...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G20/00A01G22/00A01G17/00A01G24/20A01G24/10
CPCA01G20/00A01G22/00A01G17/005A01G24/20A01G24/10
Inventor 李芳兰胡慧杨雨刘鑫
Owner CHENGDU INST OF BIOLOGY CHINESE ACAD OF S
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