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C. John Ralph has written 3 work(s)
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Cover for 9781475278750 Cover for 9781930665774 Cover for 9780299105204
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Product Description: Point counts of buds are the most widely used quantitative method and involve an observer recording buds from a single point for a standardized time period. In response to the need for standardization of methods to monitor bird populations by census, various investigators met in Maryland in late fall 1991 to evaluate point counts...read more

Hardcover:

9780899046518 | Reprint edition (Crumb Elbow Pub, January 1, 1998), cover price $26.40

Paperback:

9781475278750 | Createspace Independent Pub, April 29, 2012, cover price $25.99 | About this edition: Point counts of buds are the most widely used quantitative method and involve an observer recording buds from a single point for a standardized time period.

cover image for 9781930665774
Product Description: This book was originally published in 1981 as a publication of the Cooper Ornithological Society and was based on the proceedings of a meeting of biologists and statisticians in Asilomar who gathered to examine the methods and assumptions used in estimating bird numbers...read more
By C. John Ralph (editor) and J. Michael Scott (editor)

Hardcover:

9781930665774 | Blackburn Pr, September 30, 2003, cover price $79.95 | About this edition: This book was originally published in 1981 as a publication of the Cooper Ornithological Society and was based on the proceedings of a meeting of biologists and statisticians in Asilomar who gathered to examine the methods and assumptions used in estimating bird numbers.

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