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An Aerial Photographic Technique for Censusing Lesser Sandhill Cranes
R. Michael Leonard and Ernest B. Fish
Wildlife Society Bulletin (1973-2006)
Vol. 2, No. 4 (Winter, 1974), pp. 191-195
Stable URL: http://www.jstor.org/stable/3781226
Page Count: 5
You can always find the topics here!Topics: Censuses, Birds, Waterfowl, Black and white film, Aerial photography, University administration, Optical filters, Wildlife management, Population estimates, Playas
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An aerial photographic census technique was developed and tested as an alternative to current inventory procedures for the lesser sandhill crane (Grus canadensis canadensis). The equipment required (35mm camera, 125mm telephoto lens, K-12 filter, black and white infrared film, light fixed-wing aircraft) is accessible to wildlife managers at most locations; therefore, the method can be utilized with a minimum of expense and effort. Imagery obtained in this study indicated a marked improvement in census results over those obtained by current ground count methods.
Wildlife Society Bulletin (1973-2006) © 1974 Wiley