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Method using native landscape plant to restore return-land-to-lake wetland soil

A phytoremediation and landscape technology, which is applied in the fields of site preparation, invasive species monitoring, climate change adaptation, etc., can solve the problems of lack of research and development of artificially introduced vegetation to assist in the restoration of degraded wetland soil, achieve lasting landscape and social benefits, restore soil, improve The effect of plant diversity

Inactive Publication Date: 2016-09-28
CENTRAL SOUTH UNIVERSITY OF FORESTRY AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, domestic research on returning fields to lakes is mainly focused on the hydrological characteristics, soil physical and chemical properties, and ecological carrying capacity of the natural restoration process, while the research and development of artificially introduced vegetation to assist the restoration of degraded wetland soil is lacking.

Method used

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  • Method using native landscape plant to restore return-land-to-lake wetland soil
  • Method using native landscape plant to restore return-land-to-lake wetland soil
  • Method using native landscape plant to restore return-land-to-lake wetland soil

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Experimental program
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Effect test

Embodiment 1

[0039] Embodiment 1 (referring to ASH1, ASH2, ASH3 in table 1): upper wood+middle layer wood+ground cover mixed species pattern:

[0040] The distribution of the root system of the different configurations of the plants is from shallow to deep, and the degree of soil restoration is relatively deep. Different configurations have rich landscape seasonal changes and good landscape effects. Plant communities with complex hierarchical structures and obvious seasonal changes have higher landscape value than those with simple structures.

Embodiment 2

[0041] Embodiment 2 (referring to AS1, AS2, AS3 in Table 1): upper wood + middle wood + original ground cover: keep the original ground cover, ground cover is fast, water retention effect is better, introduce arbor and shrub landscape plants, rich Species diversity, to avoid destroying the natural diversity in the wild state by planting a small number of plants.

Embodiment 3

[0042] Example 3 (see SH1, SH 2, SH3 in Table 1): middle wood + ground cover: middle wood is easy to survive and quickly forms an advantage.

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Abstract

The invention relates to a method using native landscape plants to restore return-land-to-lake wetland soil; phytocoenosis main collocation methods comprise the following 4 modes: 1, landscape plant arbor-shrub-grass interbreed mode, i.e., overstory arbor+middle lamella arbor+ground cover plants; 2, landscape plant arbor-shrub interbreed mode, i.e., overstory arbor+middle lamella arbor+original ground cover plants; 3, shrub-grass interbreed mode, i.e., middle lamella arbor+ground cover plants; 4, ground cover plant single mode, introduction ground cover plants+original ground cover plants. The method introduces fast-growing native landscape tree species so as to fast adapt to the growing environment, thus forming landscape, becoming colony advantage species, and controlling alien species invasion; the method can improve farmland soil physical composition and nutrition status, can eliminate (degrade) residual poisonous and harmful pollutants, thus realizing soil pollution purification under nature conditions, realizing self-restoration, i.e., expressing soil-plant system degrading purifying effect.

Description

technical field [0001] The invention relates to a method for artificially assisted restoration of soil in degraded lake wetlands, in particular to a method for restoring soil and vegetation in wetlands returned from farmland to lakes by using arbors, shrubs, grasses, and native landscaping plant configuration patterns with strong anti-pollution and decontamination properties. Background technique [0002] As an important type of wetland, inland freshwater lakes have the functions of regulating river runoff, purifying water quality, maintaining biodiversity and improving ecological environment and other ecological services. However, due to the influence of natural factors and human activities in the past hundred years, the unreasonable development and utilization of lake resources, especially since the 1970s, the momentum of reclamation of lakes in various lakes in my country has increased, resulting in rapid shrinkage of the lake area , the regulation ability of the lake decl...

Claims

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Application Information

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IPC IPC(8): A01B79/02
CPCA01B79/005A01B79/02Y02A40/22Y02A90/40
Inventor 蒋丽娟陈景震雷电刘文胜黄蓉易心钰李培旺
Owner CENTRAL SOUTH UNIVERSITY OF FORESTRY AND TECHNOLOGY
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