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机译:Macroinvertebrate functional organization and water quality in a large arid river from Patagonia (Argentina)
LIESA, Laboratorio de Investigaciones en Ecologi'a y Sistematica Animal, Universidad Nacional de la Patagonia, Sarmiento 849, 9200 Esquel, Chubut, Argentina;
functional feeding groups; detritus; chlorophyll; river; spatial variation;