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Watershed Planning within a Quantitative Scenario Analysis Framework

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[Ecological function regionalization of Haihe River basin].

Yang Bai¹, Hua Zheng, Zhi-yun Ouyang

¹State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China. youngbcs@gmail.com

Ying Yong Sheng Tai Xue Bao = the Journal of Applied Ecology

|December 1, 2011

Summary

Ecological regionalization of the Haihe River basin identified 11 critical zones for water and soil conservation, biodiversity, and sand fixation. This guides resource management and ecological protection for basin security.

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Area of Science:

Environmental Science
Geography
Ecology

Context:

The Haihe River basin faces ecological challenges requiring targeted management strategies.
Understanding regional ecological functions is crucial for sustainable development.

Purpose:

To conduct an ecological functional regionalization of the Haihe River basin.
To identify critical eco-functional zones based on dominant ecological services.

Summary:

Utilized Remote Sensing (RS) and Geographic Information System (GIS) technologies combined with qualitative and quantitative analyses.
The Haihe River basin was divided into 5 ecoregions, 24 sub-ecoregions, and 114 eco-functional zones.
Identified 11 critical eco-functional zones prioritizing water conservation, soil conservation, wind prevention, sand fixation, and biodiversity protection.

Impact:

Provides a clear understanding of ecologically significant areas within the Haihe River basin.
Offers a scientific basis for ecological environment protection and natural resource management.
Guides rational industrial distribution and supports the maintenance of basin ecological security.