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Construction method and application of coastal wetland protection and restoration system

A technology for restoring systems and wetlands, applied in coastline protection, construction, sea area engineering, etc., can solve problems such as the inability of fish to survive, the reduction of wetland biodiversity, and the reduction of water bird food. Improve the effect of variety and quantity

Pending Publication Date: 2020-04-10
山东黄河三角洲国家级自然保护区管理委员会
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The inventors found that coastal estuary wetlands are mostly located in the alluvial plains of rivers, and the terrain is flat. They are often on the water surface during the wet season, and birds have no place to rest and roost at night; during the dry season, the fish on the dry ground cannot survive, and the food for water birds is reduced. Reduced biodiversity in wetlands

Method used

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  • Construction method and application of coastal wetland protection and restoration system
  • Construction method and application of coastal wetland protection and restoration system
  • Construction method and application of coastal wetland protection and restoration system

Examples

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Effect test

Embodiment 1

[0068] Aiming at the Dawenliu Management Station of the National Nature Reserve in the Yellow River Delta, a method of constructing water circulation and animal habitat wetland restoration is provided, that is, a coastal estuary wetland protection and restoration system is constructed.

[0069] (1) Overview of the implementation site: Shandong Yellow River Delta National Nature Reserve covers an area of ​​153,000 hm 2 , of which the wetland area is 113,000 hm 2 , the freshwater supply of the wetland comes from the Yellow River water, groundwater and precipitation, the evapotranspiration ratio reaches 2.62:1, the groundwater is brackish water, and the freshwater wetland water resources in the nature reserve mainly depend on the Yellow River.

[0070] (2) The implementation site is the salt marsh wetland of Dawenliu Management Station in the Yellow River Delta Nature Reserve. The terrain is flat, high in the west and low in the east, and the gradient is 1:10000. In the wet seas...

Embodiment 2

[0084] Aiming at the No. 1,200 Management Station of the National Nature Reserve in the Yellow River Delta, a wetland restoration method for constructing a water cycle is provided, that is, a coastal estuary wetland protection and restoration system is constructed.

[0085] (1) Overview of the implementation site: Shandong Yellow River Delta National Nature Reserve covers an area of ​​153,000 hm 2 , of which the wetland area is 113,000 hm 2 , The freshwater supply of the wetland mainly comes from the Yellow River water, groundwater and precipitation, the evaporation ratio reaches 2.6:1, the groundwater is brackish water, and the freshwater wetland water resources in the nature reserve mainly depend on the Yellow River.

[0086] (2) The implementation site is the salt marsh wetland of the No. 1 Qianer Management Station in the Yellow River Delta Nature Reserve. This area is a large water surface in the wet season and a bare beach in the dry season.

[0087] (3) Implementation ...

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Abstract

The invention discloses a construction method and application of a coastal wetland protection and restoration system. Through micro-slope reconstruction, earth cutting is conducted in shoal water to construct an ecological island to provide a breeding place for summer residents; deep trenches are excavated around the island to provide a shelter for fishes in the dry season; and fresh water supplyand circulation are ensured to create a bird foraging habitat and a sheltered habitat, and thus a bird conservation effect is improved. According to the construction method and application of the coastal wetland protection and restoration system, a principle of using local materials is adopted, local soil is utilized to conduct dam surrounding and island building, and foreign building materials are not introduced, so that disturbance to a local environment due to introduce of the foreign building materials is reduced while the cost is saved, and good practical application value is achieved.

Description

technical field [0001] The invention belongs to the technical field of ecological engineering, and in particular relates to a construction method and application of a coastal estuary wetland protection and restoration system. Background technique [0002] The information disclosed in this background section is only intended to increase the understanding of the general background of the present invention, and is not necessarily taken as an acknowledgment or any form of suggestion that the information constitutes the prior art already known to those skilled in the art. [0003] The coastal estuary wetland is distributed in the coastal area and is the confluence zone of rivers and oceans. Due to the interaction of oceans, lands, and rivers, it can obtain supplies from oceans, lands, and fresh water. It is also a fragile ecologically sensitive area. [0004] Hydrological conditions are the restrictive factors for the healthy development of coastal estuary wetlands. Taking the Ye...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02B1/00E02B3/00E02B3/10
CPCE02B1/00E02B3/00E02B3/10Y02A10/00Y02A10/11Y02A40/22
Inventor 吕卷章赵亚杰王安东王伟华于海玲朱书玉岳修鹏路峰周英锋吴霞杨长志车纯广
Owner 山东黄河三角洲国家级自然保护区管理委员会
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