Aquatic biota in the Peruvian Amazon: Diversity and uses as environmental indicators in the lower Urubamba (Cusco - Ucayali)

Translated title of the contribution: Biota acuática en la Amazonia Peruana: Diversidad y usos como indicadores ambientales en el Bajo Urubamba (Cusco - Ucayali)

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4 Scopus citations

Abstract

In this paper we apply biological indices of environmental quality and conservation, based on biological monitoring conducted between 2003 and 2009 in five localities of the Bajo Urubamba River. Communities of plankton, benthos and fishes were studied. The diversity of plankton was 170 species, mainly based on Chlorophyta and Bacillariophyta. The benthos included 112 species, mainly larvae and adults of Arthropoda (Insecta). 176 fish species were recorded, represented by 26 families and six orders. The quality of the study area ranged from normal to very good, according to the index %ETP. The conservation index of aquatic environments (IBI) gave the higher values for Miari and Sepahua. The high diversity of the communities studied could be related to the heterogeneity of habitats and greater resources than are observed in the lower part of the study area.

Translated title of the contributionBiota acuática en la Amazonia Peruana: Diversidad y usos como indicadores ambientales en el Bajo Urubamba (Cusco - Ucayali)
Original languageSpanish
Pages (from-to)29-35
Number of pages7
JournalRevista Peruana de Biologia
Volume17
Issue number1
StatePublished - Apr 2010
Externally publishedYes

Bibliographical note

Funding Information:
1 Departamento de Ictiología. Museo de Historia Natural. Uni- versidad Nacional Mayor de San Marcos (UNMSM). Av. Arenales 1256, Jesús María. Lima, Perú. Email Hernán Ortega: hortega@terra.com.pe Trabajo presentado a la XVIII Reunión Científica del Instituto de Investigaciones en Ciencias Bioló-gicas Antonio Raimondi, “200 años del nacimiento de Charles Darwin y el 150 aniversario de la publicación de On the Origin of Species by Means of Natural Selection”. Del 19 al 21 de agosto de 2009.

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