Research in the Development of Line Transect Methods

We used line transect methods during both the aerial and shipboard surveys to estimate abundance.  See Palka 1995 for a description of a line transect abundance survey.  To further develop and test the data collection and analysis methods we have conducted experiments surveys and developed analytical methods which can result in less biased and more precise abundance estimates. 

Palka, D. and J. Pollard. 1999. Adaptive line transect survey for harbor porpoises. In: Garner and et al., eds. Marine Mammal Survey Assessment Methods. A.A. Balkema, Rotterdam. pp. 3-11.
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