Gray whales and boat traffic : movement, vocal, and behavioral responses in Bahia Magdalena, Mexico /

Theodolite surveys, acoustic recordings, and behavioral sampling were conducted from January to May for 4 consecutive years 1997-2000 to assess temporal and spatial overlap of whale-watching activities and gray whales, Eschrichtius robustus, that are present seasonally in Bahia Magdalena, Mexico. D...

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Bibliographic Details

Main Author:	Ollervides, Francisco Jose
Format:	Thesis Book
Language:	English
Published:	[Place of publication not identified] : [publisher not identified] ; 2001.
Subjects:	Major wildlife and fisheries sciences.
Online Access:	http://proxy.library.tamu.edu/login?url=http://proquest.umi.com/pqdweb?did=726104701&sid=1&Fmt=2&clientId=2945&RQT=309&VName=PQD