Effect of small dams on environment (Science Daily)

Read at :

http://www.sciencedaily.com/releases/2013/05/130530095018.htm

Small Dams On Chinese River Harm Environment More Than Expected, Study Finds

May 30, 2013 — A fresh look at the environmental impacts of dams on an ecologically diverse and partially protected river in China found that small dams can pose a greater threat to ecosystems and natural landscapes than large dams. Although large dams are generally considered more harmful than their smaller counterparts, the research team’s surveys of habitat loss and damage at several dam sites on the Nu River and its tributaries in Yunnan Province revealed that, watt-for-watt, the environmental harm from small dams was often greater — sometimes by several orders of magnitude — than from large dams.

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About Willem Van Cotthem

Honorary Professor of Botany, University of Ghent (Belgium). Scientific Consultant for Desertification and Sustainable Development.
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