Listar por autor "Muñoz Gracia, Isabel"
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Food web of a tropical high mountain stream: effects of nutrient addition
Castro-Rebolledo, María Isabel; Muñoz Gracia, Isabel; Donato, Johnand lt;!-- @page { margin: 2cm } P { margin-bottom: 0.21cm } -- and gt; Using a nutrient enrichment experiment in an Andean mountain stream, we used stable isotope ratios (15N and 13C) to analyze different trophic ...Universidad Nacional de Colombia Revistas electrónicas UN Acta Biológica Colombiana. -
Integrating chemical and biological status assessment: assembling lines of evidence for the evaluation of river ecosystem risk
Muñoz Gracia, Isabel; Sabater, SergiABSTRACT 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 ...Universidad Nacional de Colombia Revistas electrónicas UN Acta Biológica Colombiana.