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Author | : KA. Fagerstone |
Publisher | : |
Total Pages | : 8 |
Release | : 1983 |
Genre | : Mark-recapture |
ISBN | : |
Download An Evaluation of Visual Counts for Censusing Ground Squirrels Book in PDF, ePub and Kindle
Visual counts frequently are used to census ground squirrels before and after a control program. However, the precision of visual counts is not known. During 1979 and 1980 I compared visual counts of Richardson's ground squirrels (Spermophilus richardsonü elegans) with mark-recapture population estimates on a study area near Kremmling, Colo. There was no significant correlation between the population estimate generated over a five-day trapping period and the highest visual count on a particular day within that period (R = 0.42, P = 0.06). However, there was a significant correlation between the population estimate and the highest ground squirrel count during the five-day period (R = 0.65, P = 0.009). Therefore, if certain guidelines are followed, visual counts may be reliable indices of ground squirrel populations.
Author | : |
Publisher | : ASTM International |
Total Pages | : 319 |
Release | : 1983 |
Genre | : |
ISBN | : |
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Publisher | : |
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Author | : Michael A. Steele |
Publisher | : McDonald and Woodward Publishing Company |
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Author | : Alberta. Fish and Wildlife Division |
Publisher | : |
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ISBN | : |
Download Survey Protocol for the Richardson's Ground Squirrel Book in PDF, ePub and Kindle
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