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John R. Sauer has written 2 work(s)
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Monitoring Bird Populations by Point Counts
cover image for 9781475278750
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
By Sam Droege, C. John Ralph and John R. Sauer
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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.

Morphology, Physiology, and Behavioral Biology of Ticks
By J. Alexander Hair (editor) and John R. Sauer
See complete details on each edition (1 edition listed)

Hardcover:

9780136015437 | Ellis Horwood Ltd, December 1, 1986, cover price $124.50

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