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Strategic Study of CAE >> 2010, Volume 12, Issue 6

Study of the ecosystems degradation and its driving mechanism based on ecohydrological process volution in Baiyangdian Lake Basin

The Haihe River Water Conservancy Committee MWR, Tianjin 300170, China

Funding project:国家重点基础研究发展计划项目(2006CB403408);水利部公益性行业科研专项经费项目(20081135) Received: 2009-11-24 Available online: 2010-06-13 13:07:10.000

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Abstract

he Baiyangdian Lake is the largest freshwater lake and an important aquatic ecological function region in north China.Under the natural and artificial influences, its ecosystems has being obviously degraded. This paper discussed the ecosystem degradation and its driving mechanism based on the evolution of the ecohydrological process in the Baiyangdian Lake basin. The climate aridity is the natural background of the ecosystem degradation, but upstream water interception,hydraulic engineering and the utilization of water resources are the inducing factors to accelerate the wetland degradation. Finally comprehensively considering the present state of ecosystem degradation and its driving mechanisms, measures and proposals are put forward to protect the Baiyangdian Lake from the perspective of ecohydrology.

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