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塔里木河下游生态输水的效应
Authors
吐尔逊古丽.买买提
李卫红
杨玉海
陈亚宁
Publication date
1 January 2008
Publisher
Abstract
根据塔里木河下游的地下水位、植物调查数据,对比分析了塔里木河下游生态输水后地下水位、生物量、物种多样性变化。结果表明:实施生态输水工程后,地下水位对生态输水的响应显著,地下水位逐渐抬升,下降趋势得以控制。草本植物生物量的变化趋势与每次输水量变化趋势基本一致,即随着输水量的增加草本植物的生物量也相应增加,草本植物生物量对生态输水的响应程度与输水的时间、输水量的多少有密切关系。地下水位埋深上升,物种多样性也呈上升趋势,但二者并不是同步,物种多样性上升趋势滞后于地下水位的上升,这表明地下水位的抬升有利于植物多样性的增加,但是地下水位变化对植物多样性的影响是一个渐变的过程
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Institutional Repository of Xinjiang Institute of Ecology and Geography, CAS
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Last time updated on 29/11/2016