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Estructura de la comunidad íctica de la Ciénaga de Mallorquín, Caribe colombiano

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Author
Arrieta V., L.
Rosa Muñoz, J. de la
Date
2003

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Alternative Title
Structure of fish community in the Ciénaga de Mallorquín, Colombian Caribbean
Abstract
In order to evaluate the structure of the fish community in the coastal lagoon of Mallorquín, sampling was made each two weeks in nine stations widely allocated in the study area from July 1998 to April 1999. A total of 36 species corresponding to 22 fish families were analized. Based on the frequency of occurrence, 58% were classified as occasional visitors, 26% as frequent visitors, and a 16% as residents. Total abundance was 2424 individuals and 187 Kg of biomass (fresh weight). 89,3% of total abundance and the 89,6% of total biomass was represented by four families (Mugilidae, Engraulidae, Gerreidae and Ariidae. Four species (Mugil incilis, Cetengraulis edentulus, Diapterus rhombeus and Eugerres plumieri), included in three families, were dominant, representing 85,4% the whole sample. Species abundance, biomass y richness was homogeneous throughout the three climatic periods. Shannon-Weaver diversity index values oscillated between 0,13 and 0,33.
Con el fin de evaluar la estructura de la comunidad íctica de la laguna costera de Mallorquín, desde julio de 1998 hasta abril de 1999, se realizaron muestreos quincenales en nueve estaciones distribuidas ampliamente en el área de estudio. Se analizó un total de 36 especies correspondientes a 22 familias. De acuerdo con la frecuencia de aparición, el 58% de las especies se categorizó como visitante ocasional, el 26% como visitante frecuente y el 16% como residente. La abundancia total en los muestreos fue de 2424 individuos, que en biomasa representaron 187 Kg (peso fresco). El 89,3% de la abundancia total y el 89,6% de la biomasa total estuvo representado por cuatro familias (Mugilidae, Engraulidae, Gerreidae y Ariidae). Cuatro especies ( Mugil incilis, Cetengraulis edentulus, Diapterus rhombeus y Eugerres plumieri) pertenecientes a tres familias dominaron, representando el 85,4% del total de los peces capturados. El comportamiento de la abundancia, biomasa y riqueza de las especies fue homogéneo durante las tres épocas climáticas. El índice de diversidad de Shannon-Weaver osciló entre 0,13 y 0,33.
Journal
Boletín de investigaciones marinas y costeras
Volume
32
Publisher or University
INVEMAR, Santa Marta - Colombia
Resource/Dataset Location
http://www.invemar.org.co/siad/descarga.jsp?type=documento&id=525
URI
http://hdl.handle.net/1834/3199
Collections
3. Boletín de Investigaciones Marinas y Costeras

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