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Revista de Biología Tropical
Article . 2003
Data sources: DOAJ
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La comunidad de peces de la Laguna de Términos: estructura actual comparada

Authors: Ayala Pérez, Luis Amado; Ramos Miranda, Julia; Flores Hernández, Domingo;

La comunidad de peces de la Laguna de Términos: estructura actual comparada

Abstract

Se presentan los resultados de investigación sobre la ecología de la comunidad de peces de la Laguna de Términos. Se describe la estructura y se discute de manera comparada con la información publicada. Se realizaron 19 campañas mensuales de campo en 23 sitios de muestreo durante el periodo de septiembre de 1997 a marzo de 1999. Se identificaron 107 especies de peces que se agruparon en 76 géneros y 37 familias. Se capturaron 25588 organismos con un peso total de 601.5 kg. La abundancia de la comunidad en escala temporal osciló de 0.395 a 0.895 ind/m2; 8.638 a 18.316 g/m2 y 18.358 a 34.837 g/ind. La diversidad de la comunidad, estimada por el índice de Shannon y Weaver osciló entre 1.875 y 3.995. El valor de los índices de equitatividad y riqueza de especies presentaron una variación entre 0.519 y 0.993 y 4.94 y 7.88 respectivamente. Se identificaron 18 especies dominantes con base en el análisis de los valores de número de individuos, peso y porcentaje de aparición. La especie más importante tanto por su abundancia numérica como por su frecuencia de aparición es Arius melanopus que representa el 26.5% de la captura total seguida de Diapterus rhombeus con el 18.9%. También como especies dominantes cabe destacar la presencia de aquellas de interés pesquero tanto local como regional y son Bairdiella chrysura, B. ronchus, Archosargus rhomboidalis, Eugerres plumieri, Cynoscion arenarius y Chaetodipterus faber. 

The structure of the fish community in Terminos Lagoon, Campeche, is analyzed on the base the description of the abundance, distribution, length composition and identification of the dominant species. The results are discussed and compared with the published information. 437 trawl tows were made in 19 monthly collection in 23 sites between September 1997 to March 1999. A total of 25 588 individual with a total weight of 601.5 kg were grouped in 107 species, 76 gender and 37 families. The abundance of the fish community showed the following intervals in temporal scale: 0.395 to 0.895 ind/m2; 8.637 to 18.316 g/m2 and 18.358 to 34.837 g/ind. The Shannon index oscillated between 1.875 and 3.995 and 4.94 and 7.88 respectively. 18 dominant species were identified. The most important species by its numerical abundance and appearance frequency is Arius melanopus that represents to the 26.5% of the total catch followed by Diapterus rhombeus with 18.9%. As dominant species, Bairdiella chrysura, B. ronchus, Archosargus rhomboidalis, Eugerres plumieri, Cynoscion arenarius and Chaetodipterus faber, are fishing resources with local and regional value.

Country
Costa Rica
Related Organizations
Keywords

abundance, Terminos Lagoon, QH301-705.5, Biología, 0, fish ecology, Biology (General), terminos lagoon, fish community, Mexico, diversity

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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