alexa Environmental Influences on the Abundance of Dominant F
ISSN: 2155-9910

Journal of Marine Science: Research & Development
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Research Article

Environmental Influences on the Abundance of Dominant Fishes in a Very Shallow Tropical Coastal Lagoon in Northwestern Yucatan Peninsula, Mexico

José Luis Bonilla-Gómez1*, Maribel Badillo2, Korynthia López3, Alfredo Gallardo2, Carmen Galindo2, Daniel Arceo2 and Xavier Chiappa-Carrara2

1Department of Marine Sciences and Limnology, National Autonomous University of Mexico, Mexico D. F., Mexico

2UNAM-Sisal, Faculty of Science, National University of Mexico, Sisal, Yucatan, Mexico

3UNAM-Sisal, Faculty of Chemistry, National Autonomous University of Mexico, Sisal, Yucatan, Mexico

*Corresponding Author:
José Luis Bonilla-Gómez
Department of Marine Sciences and Limnology
National Autonomous University of Mexico, Circuito Exterior S/N
Ciudad Universitaria, Mexico DF, 04510, Mexico
Tel: (52) 999-1813611
E-mail: [email protected]

Received date: January 12, 2013; Accepted date: February 18, 2013; Published date: February 22, 2013

Citation: Bonilla-Gómez JL, Badillo M, López K, Gallardo A, Galindo C, et al. (2013) Environmental Influences on the Abundance of Dominant Fishes in a Very Shallow Tropical Coastal Lagoon in Northwestern Yucatan Peninsula, Mexico. J Marine Sci Res Dev 3:118. doi:10.4172/2155-9910.1000118

Copyright: © 2013 Bonilla-Gómez JL, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

 

Abstract

Spatial-seasonal patterns of six abundant fishes were analyzed in La Carbonera, a lagoon on the northwestern coast of the Yucatan peninsula, Mexico; between April 2009 and May 2010, via non-parametric multivariate analysis. The null hypothesis tested was that no differences existed in the overlapping of the abundance of fish species among the lagoon defined by types of habitats (channel, seagrass, mangrove and hypersaline), and by three climatic seasons (dry, rainy, and north winds). Significant differences were found in the environmental variables between climatic season and the types of habitat, except for the temperature and pH. Result of the multidimensional scaling suggests a significant difference in habitats with characteristics of channel and presence of mangrove. The redundancy analysis showed that depth and salinity were the best related to species abundance. Oxygen and temperature made an additional significant contribution to the canonical model, it was strongly related to the north winds season, due to the fact that the strong winds, which can last a week, increase the oxygen content of the water but decrease the temperature. Relative abundances were strongly associated with depth (dry; r=0.76), salinity (rainy; r=0.83) and oxygen (north winds; =-0.80). Results suggest that the different habitats are used as feeding zones; and that during the dry season, there was a overlapping in abundance of species. Thus, information proposed protection strategies in this season to contribute to fish biodiversity conservation in a valuable area of Yucatan Peninsula.

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