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基于生态功能考虑的西北干旱地区生态需水研究 被引量:1

Study on Ecological Water Requirements Based on Considerations of Ecological Functions in Northwest Arid Regions
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摘要 在当前生态需水研究的基础上,选取植被盖度作为衡量绿洲生态功能的主要指标,根据植被盖度和侵蚀率之间的关系,从生态系统的需水机理出发,提出了基于生态功能考虑的西北干旱地区生态需水量计算方法。以额济纳绿洲为例,计算了2000年额济纳绿洲生态需水,并与额济纳绿洲不同时期的生态需水进行了对比分析。 In the current studying on the basis of ecological water requirements, selected vegetation coverage as a key indicators about measure of Oasis ecological function. According to the relationship between vegetation and the rate of erosion, meantime considered to the mechanism of eco - system and based on considerations of ecological functions, the method to calculate ecological water requirements in northwest arid region was put forward. Taking the Ejina oasis for instance, this paper calculated the ecological water requirements in 2000, and had done a comparative analysis of the ecological water requirements of Ejina oasis at different times.
出处 《环境科学与管理》 CAS 2007年第9期145-148,156,共5页 Environmental Science and Management
基金 科技部社会公益研究专项资金项目(2001DIB10079)
关键词 生态功能 植被盖度 生态需水 额济纳 ecological functions vegetation coverage ecological water requirements Ejina
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参考文献8

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二级参考文献7

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