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      Benthic macroinvertebrate communities as indicators of river environment quality: an experience in Nicaragua

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          Abstract

          Biotic indexes are one of severas types of measures that are routinely used in biological monitoring in temperate streams and offer interesting possibilities to assess the environmental quality of rivers in the neotropics. Macroinvertebrate communities of seven southeastern Nicaraguan streams were monitored and seven ecological indexes were applied. The results suggest that information from the Indice Biótico Esteso (I.B.E.) is closely correlated to the results of other methods, but the I.B.E. index is easier to apply as well as avoiding high costs and time-consuming procedures. A calibration of the method is necessary for rapid assessment approaches in the neotropics.

          Translated abstract

          Los índices bióticos representan una topología de medidas que se emplea rutinariamente en el control biológico de los ambientes lóticos templados: ellos ofrecen también interesantes posibilidades en el área neotropical. Para evaluar la calidad ambiental de algunos ríos de Nicaragua, investigamos las comunidades macrobentónicas y aplicamos siete índices ecológicos. Los resultados sugieren que el índice I.B.E. se relaciona fuertemente a los otros índices, pero permite ahorrar costos y tiempo. Una calibración del método sería necesaria para obtener un método de valoración rápida de la calidad ambiental de los ríos de Centro América.

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          Most cited references34

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          Ecological Diversity and Its Measurement

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            Ecological diversity and its mesasurement

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              Ecology: the experimental analysis of distribution and abundance,

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Journal
                rbt
                Revista de Biología Tropical
                Rev. biol. trop
                Universidad de Costa Rica (San José )
                0034-7744
                December 2002
                : 50
                : 3-4
                : 1125-1131
                Affiliations
                [1 ] Univ. del Piemonte Orientale Italia
                [2 ] Univ. di Torino Italia
                Article
                S0034-77442002000300029
                c47c5b5f-b579-416d-82f9-8265ab573ed0

                http://creativecommons.org/licenses/by/4.0/

                History
                Product

                SciELO Costa Rica

                Self URI (journal page): http://www.scielo.sa.cr/scielo.php?script=sci_serial&pid=0034-7744&lng=en
                Categories
                Biodiversity Conservation
                Biology

                General life sciences,Animal science & Zoology
                Benthic macroinvertebrates,biological monitoring,Nicaragua,biotic indexes

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