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A Restoration Method for Improving the Community Stability of S.

A technology for the restoration of Chimpanzea flatus and its recovery method, which is applied in the restoration field of improving the stability of Chimpanzea flatus community, and can solve problems such as community instability and secondary degradation of Chimpanzea flatus, and achieve improved community stability and improved stability. Sexuality, the effect of avoiding duplication of investment

Active Publication Date: 2020-09-15
NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problem of unstable and prone to secondary degradation of the community of Siamia flatus after artificial restoration, and to provide a restoration method that uses micro-topography to improve the stability of Siamese flatus community

Method used

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  • A Restoration Method for Improving the Community Stability of S.

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specific Embodiment approach 1

[0013] Specific implementation mode 1: In this implementation mode, the restoration method for improving the stability of the flat stalk grass community by using micro-topography construction is implemented according to the following steps:

[0014] 1. The structure of the micro-topography: In the middle and late October of each year, use a rotary tiller to carry out rotary tillage according to the direction of water flow in the restoration area, and then carry out initial water covering to saturation. The height of the ridge is 10-25cm. After winter precipitation and freezing, the height of the ridge is naturally compacted, and the structure of the micro-topography is completed;

[0015] 2. Transplanting of Siamia spp. seedlings: In the first ten days of May of the following year, insert the bulbous buds of S. The depth is controlled at 5-10cm higher than the furrow, and the planting density per square meter is controlled at 25-35 bulbs / m 2 , to complete the transplanting of...

specific Embodiment approach 2

[0020] Specific embodiment 2: The difference between this embodiment and specific embodiment 1 is that the restoration area mentioned in step 1 is located in the Songnen Plain. Other steps and parameters are the same as those in Embodiment 1.

[0021] The restoration area of ​​this implementation mode is specifically located in the degraded scutellaria wetland behind Sukema Village in the Momoge Wetland in the west of the Songnen Plain. This implementation mode is suitable for the restoration of the Scutellaria chinensis community in the saline-alkali wetlands in northern China.

specific Embodiment approach 3

[0022] Embodiment 3: This embodiment is different from Embodiment 1 or 2 in that step 1 uses a rotary tiller to perform rotary tillage, and the distance between the ridges is controlled to be 15 cm to 25 cm. Other steps and parameters are the same as those in Embodiment 1 or Embodiment 2.

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Abstract

The invention discloses a restoration method for improving the stability of a scirpus planiculmis community by utilizing microtopography establishment, relates to a restoration method for improving the stability of a scirpus planiculmis community and aims to solve the problem that artificially restored scirpus planiculmis communities are instable. The restoration method comprises the steps that 1,a rotary tiller is utilized for rotary tillage according to the coming water direction of a restoration area, ridges can naturally sink compact under the rainfall and freezing effects in winter, andmicrotopography establishment is completed; 2, scirpus planiculmis corms are inserted into microtopographic soil of the restoration area to transplant scirpus planiculmis seedlings, wherein the planting density per square meter is 25-35 per square meter; 3, water is injected into the restoration area till furrows are submerged, the water surface with the earth's surface water depth of 5-8 cm is formed among the ridges, and restoration of the stability of the scirpus planiculmis community is completed. Different water level gradients are created by utilizing microtopography establishment basedon the hydrotaxis of the scirpus planiculmis community, and the population density, coverage area and corm quantity of the restored scirpus planiculmis community are increased.

Description

technical field [0001] The invention relates to a restoration method for improving the community stability of the scutellaria flatstem. Background technique [0002] Scirpus planiculmis is a perennial herb of Cyperaceae. Widely distributed in Northeast my country, Inner Mongolia, North China and other regions, it is the dominant wetland plant in the Momoge Wetland in the west of the Songnen Plain. In recent years, due to the dual impact of climate change and human activities, the effective water resources in the Momoge region have been in short supply, water pollution has increased, and eutrophication and secondary salinization have occurred frequently, resulting in the flattening of the Momoge region. The distribution area of ​​Cucuminum decreased, and the quantity and quality of bulbs decreased significantly. In order to protect the habitat of white cranes and restore the ecological functions of the degraded wetlands, a large number of restoration and protection works of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G20/00
Inventor 王雪宏张冬杰齐清佟守正安雨
Owner NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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