期刊
ENVIRONMENTAL POLLUTION
卷 132, 期 3, 页码 509-521出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.envpol.2004.05.006
关键词
trichoptera; stream ecology; tolerance; water quality; biological index
Caddisflies are a well represented group with high species diversity in Mediterranean climate rivers. Although they are widely used in water quality assessment, little is known of the ecological profiles of families or species. We present a simple score for ecological profiles which measures intolerance to water quality. The ecological profiles of caddisflies are diverse and the degree of tolerance at the family level is related to species diversity and the tolerance of individual species to water quality. Comparisons with the scores used in the biotic index IBMWP show general agreement between the degree of intolerance of a family and its score in the IBMWP, with few exceptions. Studies on tolerance are required to elucidate the autecology of taxa, and to develop biological indices, especially in areas with high species diversity. (C) 2004 Elsevier Ltd. All rights reserved.
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