Mapping of bird distributions from point count surveys

PDF on file: 4841_Sauer.pdf
By: , and 
Edited by: C.J. RalphJ.R. Sauer, and S. Droege



Maps generated from bird survey data are used for a variety of scientific purposes, but little is known about their bias and precision. We review methods for preparing maps from point count data and appropriate sampling methods for maps based on point counts. Maps based on point counts can be affected by bias associated with incomplete counts, primarily due to changes in proportion counted as a function of observer or habitat differences. Large-scale surveys also generally suffer from regional and temporal variation in sampling intensity. A simulated surface is used to demonstrate sampling principles for maps.
Publication type Book chapter
Publication Subtype Book Chapter
Title Mapping of bird distributions from point count surveys
Year Published 1995
Language English
Publisher U.S. Forest Service, Pacific Southwest Forest Experiment Station.
Contributing office(s) Patuxent Wildlife Research Center
Description iv, 181
Larger Work Type Book
Larger Work Subtype Other Government Series
Larger Work Title Monitoring Bird Populations by Point Counts.
First page 151
Last page 160
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