The Breeding Bird Survey, 1966

Released on by Chandler S. Robbins
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  • The Breeding Bird Survey, 1966 Book Detail

  • Author : Chandler S. Robbins
  • Release Date : 1967
  • Publisher :
  • Genre : Bird populations
  • Pages : 52
  • ISBN 13 :
  • File Size : 52,52 MB
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The Breeding Bird Survey, 1966 by Chandler S. Robbins PDF Summary

Book Description: Routes are selected at random on the basis of one-degree blocks of latitude and longitude. Each 24.5 mile route, with 3 minute stopes spaced one-half mile apart, is driven by automobile. All birds heard or seen at the stops are recorded on special forms and the data are then transferred to machine punch cards.

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