Departamento Académico de Biología Marina, Universidad Autónoma de Baja California Sur (UABCS),
Apdo. Postal 19-B, La Paz, C.P. 23080, BCS
Mexico
Research Article
Variation in Taxonomic Diversity of the Fish Assemblage Associated with Soft Bottoms in San Ignacio Lagoon, Baja California Sur, Mexico
Author(s): Juaristi Videgaray Diego, Barjau Gonzalez Emelio, Vadillo Romero Eleonora and Piñera Romo Abril KJuaristi Videgaray Diego, Barjau Gonzalez Emelio, Vadillo Romero Eleonora and Piñera Romo Abril K
The San Ignacio Lagoon is one of the largest in the northwest area of Baja California Sur; it is characterized by high levels of commercial fish catch; however the number of investigations related to taxonomic diversity is low. The variation in taxonomic diversity was determined for the assemblage of fish associated with soft bottoms, at 11 locations in a period from spring of 1998 to winter of 1999. Variation in diversity of the soft bottom fish were evaluated considering the taxonomic distance between species, using the indices of alpha, average alpha, beta and gamma diversity, also the indices of taxonomic distinctness (Δ*) and average taxonomic distinctness (Δ+). Bottom trawls were performed using an experimental net to an average depth of 5 m, between 9:00 to 17:00 h 1361 organisms were observed, belonging to 44 species on 35 genera. According to the average alpha, be.. Read More»
DOI:
10.4172/2376-0214.1000118
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