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INTEGRATING CHEMICAL AND BIOLOGICAL STATUS ASSESSMENT: ASSEMBLING LINES OF EVIDENCE FOR THE EVALUATION OF RIVER ECOSYSTEM RISK Acta biol.Colomb.
MUÑOZ,ISABEL; SABATER,SERGI.
This paper describes various approaches to evaluating ecological risk in rivers affected by multiple chemical stressors, with emphasis on biofilm and invertebrate community responses. Metrics should be considered as different lines of evidence that, when weighted, form an advanced weight of evidence approach to establishing the environmental risk on a basin scale. Combination of field surveys to obtain observational data of communities, in situ experiments, toxicological sediment tests and a good chemical description of the medium (water and sediment) helps give an integrative view of the chemical and biological state of a river ecosystem. The greater and more distinct the variables used, the greater is our ability to identify the effects of major...
Tipo: Journal article Palavras-chave: Bioassay; Chemical indicators; Ecological status; Weight of evidence.
Ano: 2014 URL: http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0120-548X2014000100003
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