Four seasons abundance changes of Zalophus californianus californianus (Lesson 1828), Allen, 1880, in the Gulf of California, Mexico

This paper describes for the first time the relative abundance, population structure and numeric variation of California sea lions in the Gulf of California, Mexico, during four different seasons. The relative abundance estimates varied from the highest 17,162 sea lions in July of 1990 (summer) to a...

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Bibliographic Details
Main Authors: M. Octavio Maravilla-Chávez, Alfredo Zavala-González, Alfredo Ortega-Rubio
Format: Article
Language:English
Published: Instituto de Tecnologia do Paraná (Tecpar) 2006-01-01
Series:Brazilian Archives of Biology and Technology
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132006000100013