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The use of an aeration system to prevent thermal stratification of a freshwater impoundment and its effect on downstream fish assemblages
Author(s) -
Miles N. G.,
West R. J.
Publication year - 2011
Publication title -
journal of fish biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.672
H-Index - 115
eISSN - 1095-8649
pISSN - 0022-1112
DOI - 10.1111/j.1095-8649.2010.02896.x
Subject(s) - aeration , thermal pollution , thermal stratification , downstream (manufacturing) , stratification (seeds) , biology , upstream and downstream (dna) , fishery , environmental science , fish <actinopterygii> , freshwater fish , abundance (ecology) , ecology , water pollution , hydrology (agriculture) , upstream (networking) , environmental engineering , thermal energy storage , seed dormancy , computer network , operations management , botany , germination , geotechnical engineering , dormancy , computer science , engineering , economics
Warm‐water riverine fish assemblages were investigated downstream of an impoundment before and after thermal stratification and the associated cold‐water pollution was prevented using an aeration system. Temperatures below the dam significantly increased after installation of the aeration system and this correlated with an increased abundance and greater number of species downstream. Overall, aeration appeared to be beneficial for both the lake (upstream) and the downstream riverine environments.