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Fast restoring method for rhizomes of reed population on degraded marsh wetland of Songnen plain

A rapid recovery and reed technology, applied in the fields of botanical equipment and methods, horticulture, plant cultivation, etc., can solve problems such as the degradation of reed wetlands in the Songnen Plain, achieve good ecological and environmental benefits, curb degradation, and slow down degradation.

Active Publication Date: 2018-12-21
NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The present invention aims to solve the technical problem of severe degradation of reed wetlands in the existing Songnen Plain, and provides a rapid recovery method for the rhizomes of reed populations in the degraded swamp wetlands of the Songnen Plain

Method used

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  • Fast restoring method for rhizomes of reed population on degraded marsh wetland of Songnen plain
  • Fast restoring method for rhizomes of reed population on degraded marsh wetland of Songnen plain

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specific Embodiment approach 1

[0024] Specific implementation mode one: this implementation mode is a method for rapid restoration of rhizome of reed population in degraded swamp wetland of Songnen Plain, specifically carried out according to the following steps:

[0025] 1. Soil loosening: From April to May, use mechanical tools to dig and loosen the soil from the surface of the degraded swamp wetland in the Songnen Plain to 30cm below the surface;

[0026] The area of ​​the degraded swamp wetland in the Songnen Plain is 5 hectares to 10 hectares, the altitude is 100m to 120m, and the soil moisture content is 50% to 80%;

[0027] The slope α of the degraded swamp wetland in the Songnen Plain is 5°-8°, the annual minimum water level is not lower than 50cm from the lowest point on the surface, and the annual maximum water level is not higher than 50cm from the lowest point on the surface;

[0028] The degraded marsh wetlands in the Songnen Plain refer to marsh wetlands that have been naturally degraded for m...

specific Embodiment approach 2

[0037] Embodiment 2: The difference between this embodiment and Embodiment 1 is that the degraded marsh wetland in the Songnen Plain described in Step 1 has an area of ​​8 hectares, an altitude of 110 m, and a soil moisture content of 60%. Others are the same as the first embodiment.

specific Embodiment approach 3

[0038] Embodiment 3: The difference between this embodiment and Embodiment 1 or 2 is that the burial depth of the reed rhizome described in step 2 is 5 cm. Others are the same as those in Embodiment 1 or 2.

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Abstract

The invention relates to a method for restoring rhizomes of a reed population on a degraded marsh wetland, in particular to a fast restoring method for rhizomes of a reed population on a degraded marsh wetland of Songnen plain. The method aims at solving the technical problem that an existing Songnen plain reed wetland is seriously degraded. The method comprises the steps of 1, soil loosening; 2,reed rhizome burying and combining; 3, hydrological control. By means of the method, the reed population can be restored, degradation of the marsh wetland is slowed down, the soil salinization processis restricted, the vegetation coverage rate can be increased to 30% to 40% in the first year, the vegetation coverage rate can be increased to 50% to 60% in the second year, the biodiversity is improved, more sufficient food is provided for water birds, the species productivity and the biodiversity are improved, a good material basis and living environment are provided for people around the wetland, and good ecological and environmental benefits are brought.

Description

technical field [0001] The invention relates to a method for restoring rhizomes of reed populations in degraded swamp wetlands. Background technique [0002] As a transitional zone between land and water ecosystems, wetlands play an extremely important role in flood storage and drought prevention, climate regulation, soil erosion control, siltation promotion, and degradation of environmental pollution. It has a large ecosystem and enjoys the reputation of "the kidney of the earth". Wetland degradation refers to the phenomenon of structural damage and functional decline of wetland ecosystems due to unreasonable human activities or unfavorable natural factors. Since the 21st century, affected by economic development, urbanization, and climate change, wetland degradation has become a global phenomenon, causing a series of consequences such as deterioration of animal and plant habitats, loss of diversity, intensified floods and droughts, and soil degradation. The importance of...

Claims

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Application Information

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IPC IPC(8): A01G22/00
CPCA01G22/00
Inventor 张文广蒙景怡姜明吕宪国
Owner NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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