Construction method for ecological restoration of riparian vegetation of mountain rivers

A technology for mountain river and ecological restoration, applied in the fields of botany equipment and methods, plant cultivation, coastline protection, etc. The effect of improving pollutant purification capacity, enhancing biodiversity and ecological diversity

Active Publication Date: 2015-04-01
HUAQIAO UNIVERSITY +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Foreign scholars have conducted a lot of research on the basis of experiments, while the theoretical and pract...

Method used

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Embodiment Construction

[0030] Overview of Funiuxi:

[0031] Funiu Creek is located in Dadukou District, Chongqing City, with a total length of 7.2km, a drainage area of ​​16.0km2, a slope of 16.78‰, and an average flow rate of 0.245m for many years. 3 / s. The basin is composed of non-uniform planar water bodies (Honglingjin Reservoir, Baobaogou Reservoir, Huangjuebao Reservoir, Sun Bay Reservoir) and linear water bodies (streams, rivers) with different widths. Due to the impact of domestic sewage and industrial wastewater discharge along the coast, the impact on water quality is relatively serious. In 2013, the functional category of Funiuxi waters was canceled in Dadukou District.

[0032] Condition before restoration:

[0033] The practical application river section of the present invention is an arc-shaped river course and a river bank zone, the average width of the river course is 3m, the average water depth is 0.6m, and the average flow velocity is 2.65m 3 / s, the inner length of the ripari...

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Abstract

The invention discloses a construction method for ecological restoration of riparian vegetation of mountain rivers. The method includes the following steps: (1), for restoration of aquatic vegetation, dispersedly planting potamogetonaceae and hydrocharitaceae submerged plants high in washing-out resistance in a project region; (2) for restoration of riverway rock and boulder vegetation, planting wetland plants strong in washing-out resistance in rock and boulder regions and the like in a riverway in the project region; (3) for restoration of waterfront plants, planting emerging plants and aquatic plants with washing-out resistance and deep roots between the riparian normal water level and the two-year flood level in the projection region; (4) for restoration of riparian vegetation, planting waterlogging-tolerance trees and shrubs of juglandaceae, betulaceae and the like between the two-year flood level and the 20-year flood level in the project region, and planting gramineae and cyperaceae herbaceous plants with deep roots in ground covers. By the method, the ecological problems about riparian water and soil erosion, weak river's self-purification capacity, sharp decline in biodiversity and the like are solved effectively, feasible and effective ecological remediation measures are provided for natural restoration and reconstruction of river banks and riverways.

Description

technical field [0001] The invention belongs to the technical field of ecological restoration engineering, and in particular relates to an optimal construction method of river bank vegetation in mountainous rivers, which is especially suitable for the restoration and reconstruction of the ecological system in the degraded river bank zone. Use multi-level and multi-type vegetation to restore biodiversity, reduce pollutants, and restore a healthy and stable river ecosystem. Background technique [0002] In recent years, with the rapid increase of population and the development of industrial and agricultural production, the wetland ecosystem including the riparian zone has been seriously degraded due to the disturbance of human activities; therefore, the restoration of degraded ecosystem and restoration ecology have become the international ecology Hotspots in the research field. Foreign scholars have done a lot of research on the basis of experiments, but the theoretical and ...

Claims

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Application Information

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IPC IPC(8): A01G1/00E02B3/12
CPCY02A20/402Y02A90/40A01G22/00E02B3/12
Inventor 孙荣李修明邓伟琼颜文涛
Owner HUAQIAO UNIVERSITY
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