期刊
MARINE POLLUTION BULLETIN
卷 56, 期 11, 页码 1880-1889出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.marpolbul.2008.07.016
关键词
Macroinvertebrates; Water Framework Directive; Ecological assessment; Transitional waters; Estuaries; Northern Spain
资金
- University of Cantabria and the Regional Government of Cantabria
Several biotic indices have been proposed for the assessment of the ecological status of benthic macroinvertebrates in marine waters, although none have been generally accepted. When it comes to assessing highly stressed natural environments, such as estuaries, the controversy and uncertainty is much higher than for any given normal index. In this article, we test the behavior and suitability of different biotic indices proposed under the perspective of the Water Framework Directive (S, H, AMBI, M-AMBI, BQI, W-statistic, Taxonomic distinctness) for the assessment of estuaries in northern Spain. The low species richness and dominance of a few tolerant species in the characteristic community of these estuaries presented a challenge to the application of the biotic indices tested. Combined approaches that integrate different aspects of water quality and ecosystem functionality could increase the reliability of the ecological assessment of these transitional waters. (C) 2008 Elsevier Ltd. All rights reserved.
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