Abundance and mortality of gray whales at Laguna San Ignacio, Mexico, during the 1997-98 El Niño and the 1998-99 La Niña

Abundance and mortality of gray whales at Laguna San Ignacio, Mexico, during the 1997-98 El Niño and the 1998-99 La Niña

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Abundance of gray whales in Laguna San Ignacio during 1998 and 1999 was obtained during 28 weekly surveys (February 8 to March 28), and mortality records from 1996-99. Single whale numbers were very similar without significant changes from year to year, but for mother-calf pairs the peaks were dela...

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Bibliographic Details
Main Authors: Stefan Ludwig, Alejandro Gómez-Gallardo U., Jorge Urbán R.
Format: Article
Language:English
Published: Universidad Nacional Autónoma de México, Instituto de Geofísica 2003-03-01
Series:Geofísica Internacional
Subjects:
Gray whale
distribution
mortality
El Niño
La Niña
Laguna San Ignacio
Península de Baja California
Online Access:http://www.geofisica.unam.mx/unid_apoyo/editorial/publicaciones/investigacion/geofisica_internacional/anteriores/2003/03/urban.pdf

Internet

http://www.geofisica.unam.mx/unid_apoyo/editorial/publicaciones/investigacion/geofisica_internacional/anteriores/2003/03/urban.pdf

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