Riverbank buffer zone shrub configuration for reducing nitrogen and phosphorus in urban water source areas in high cold regions

A buffer zone and water source technology, applied in biological water/sewage treatment, water/sludge/sewage treatment, chemical instruments and methods, etc., to improve runoff water quality and achieve good results

Active Publication Date: 2014-12-03
BEIJING FORESTRY UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is still a lack of a vegetation configuration technology suitable for the riparian buffer zone in the above-mentioned areas

Method used

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  • Riverbank buffer zone shrub configuration for reducing nitrogen and phosphorus in urban water source areas in high cold regions
  • Riverbank buffer zone shrub configuration for reducing nitrogen and phosphorus in urban water source areas in high cold regions
  • Riverbank buffer zone shrub configuration for reducing nitrogen and phosphorus in urban water source areas in high cold regions

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specific Embodiment approach

[0017] The shrub configuration of the riverbank buffer strip for reducing water body nitrogen and phosphorus in the urban water source in the alpine region of the present invention, its preferred specific implementation mode is:

[0018] On both side slopes of the main stream and the primary and secondary tributaries of the catchment area, the riparian land areas located 10m above the highest water level of the river are equipped with riparian buffer zone vegetation, and the vegetation includes one or more of the following: Wuliu, Gansu Caragana mongolica, seabuckthorn;

[0019] The black willow is arranged in the river bank buffer zone on the slope of 0°~2°;

[0020] The Caragana gamborea is arranged in the river bank buffer zone on a slope of 2° to 5°;

[0021] The seabuckthorn is arranged in the buffer zone of the river bank on a slope of 5°-15°.

[0022] The optimal widths of the buffer zones for the vegetation communities of Wuliu, Caragana gammonica, and Hippophae rham...

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Abstract

The invention discloses a riverbank buffer zone shrub configuration for reducing nitrogen and phosphorus in urban water source areas in high cold regions. Riverbank land areas, which are 10m above the maximum water level of the river in the slopes on both sides of the main stream and primary and secondary tributaries in the water catchment area, are provided with riverbank buffer zone vegetation. The vegetation comprises one or more of Salix cheilophila, Caragana opulens and sea buckthorn, wherein the Salix cheilophila is arranged in the riverbank buffer zone of the 0-2-degree slope; the Caragana opulens is arranged in the riverbank buffer zone of the 2-5-degree slope; and the sea buckthorn is arranged in the riverbank buffer zone of the 5-15-degree slope. The configuration can effectively entrap nitrogen and phosphorus pollutants to improve the runoff water quality, can fully display the functions of the riverbank buffer zone on purifying the water and retaining the silt, has favorable use effect, and can satisfy the function demands for reducing overland runoff nitrogen and phosphorus pollutants of the riverbank buffer zone in urban water source areas in northwest high cold regions.

Description

technical field [0001] The invention relates to a vegetation configuration for a river bank buffer zone, in particular to a shrub configuration for a river bank buffer zone for reducing nitrogen and phosphorus in an urban water source in an alpine region. Background technique [0002] The riparian buffer zone is a vegetation-covered land area that can interact with the water environment, between the water body and the land area, and is a typical ecological transition zone with obvious edge effects. Vegetation, as the core of the riparian buffer zone ecosystem, has important ecological functions such as purifying water quality, retaining sediment, inhibiting river bank erosion, regulating river microclimate, providing habitat for organisms, and mitigating the negative impact of human factors on river ecosystems. An effective way to control non-point source pollution. The riparian buffer zones formed by different plant species and community configuration patterns are not the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/32
Inventor 贺康宁王玮璐芦新建史常青王世雷田赟胡兴波王辉徐特
Owner BEIJING FORESTRY UNIVERSITY
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