Author: John R. Sauer
Publisher:
Published: 1990
Total Pages: 184
ISBN-13:
DOWNLOAD EBOOK →Proceedings of a workshop on the analysis of avian population trends, held April 1988 in Laurel, Maryland. Describes the design of major avian surveys, presents major analytical methods used to estimate population trends, and provides analyses of scissor-tailed flycatcher data set.
Author: Richard Brewer
Publisher:
Published: 1991
Total Pages: 634
ISBN-13:
DOWNLOAD EBOOK →This comprehensive volume is based on a five-year survey conducted by the Michigan Breeding Bird Atlas project and the work of more than 1,000 volunteers. Information provided is drawn from a massive, 500,000-record database, which has become a foundation for monitoring bird populations documenting changes, protecting habitats, and preserving Michigan bird species.
Author: Patuxent Wildlife Research Center
Publisher:
Published: 1986
Total Pages: 40
ISBN-13:
DOWNLOAD EBOOK →Author: Federation of Ontario Naturalists
Publisher:
Published: 1987
Total Pages: 648
ISBN-13:
DOWNLOAD EBOOK →