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tibetnamco

金虫 (正式写手)


[资源] 【分享】论文集:湖泊水位波动的生态效应

Ecological Effects of Water-level Fluctuations in Lakes

HYDROBIOLOGIA 613, 2008, 184 p

Most aquatic ecosystems have variable water levels. These water-level fluctuations (WLF) have multiple effects on the organisms above and below the waterline. Natural WLF patterns in lakes guarantee both productivity and biodiversity, while untimely floods and droughts may have negative effects. Human impacts on WLF have led to a stabilization of the water levels of many lakes by hydraulic regulation, untimely drawdown due to water use, or floods due to water release from hydropower plants in the catchments. This book provides a first review in this field. It presents selected papers on the ecological effects of WLF in lakes, resulting from a workshop at the University of Konstanz in winter 2005. Issues addressed here include the extent of WLF, and analyses of their effects on different groups of biota from microorganisms to vertebrates. Applied issues include recommendations for the hydrological management of regulated lakes to reduce negative impacts, and a conceptual framework is delivered by an extension of the floodpulse concept for lakes. Current impacts on water use, including increasing demands on drinking and irrigation water, hydropower etc., and climate change effects on WLF make this book an essential resource for aquatic ecologists, engineers, and decision-makers dealing with the management of lake ecosystems and their catchments.

Keywords:Ecological adaptions;Ecosystem management;Lakes

fulltext free download at
http://www.jlakes.org/web/Ecolog ... s-in-lakes-2008.htm
http://www.jlakes.org/web/Ecological-Effects-of-Water-level-fluctuations-in-lakes-2008.htm
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tibetnamco

金虫 (正式写手)


终于明白为什么地学这里的环境 子栏目 远远不如 化学-环境 的原因了

地理、环境、生态 这3个词本来内涵外延都差不多。没有明确界限,相互扯皮,定位不明确的子栏目是很容易让来此一游的网民 迷糊、迷惑的
2楼2009-07-24 17:55:54
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fly8885937

木虫 (正式写手)


★★★ 三星级,支持鼓励

感谢楼主
3楼2009-08-23 23:49:22
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ypycx

铁杆木虫 (职业作家)


★★★ 三星级,支持鼓励

谢谢,学习了!
4楼2009-09-11 17:42:43
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