ECOLOGY OF REGULATED STREAMS IN SPAIN: AN OVERVIEW

A brief review of the main studies on flow regulation effects in Spain is presented, considering algae, fish and macroinver-tebrate communities. The eel (Anguilla anguilla), salmon (Salmo salar-) and seatrout (Salmo frutta tr-utta) are perhaps the most affected species, having reduced their distribu...

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Bibliographic Details
Other Authors: The Pennsylvania State University CiteSeerX Archives
Format: Text
Language:English
Subjects:
Stream regulation
Limnology
Spain
Anguilla anguilla
Salmo salar
Online Access:http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.688.5628
http://limnetica.net/Limnetica/Limne08/L08u161_Ecology_regulated_streams.pdf
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Summary:A brief review of the main studies on flow regulation effects in Spain is presented, considering algae, fish and macroinver-tebrate communities. The eel (Anguilla anguilla), salmon (Salmo salar-) and seatrout (Salmo frutta tr-utta) are perhaps the most affected species, having reduced their distribution area considerably. The response of macroinvertebrate communities to flow regulation chan-ges from one river to another, due to the multiple use of reservoirs. A decrease of species richness and diversity have been frequently reported, being flow fluctuation and lower water temperature the main factors responsible for that.

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