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Wildlife surveys a summer necessity

July 14, 2012
By GARRY BRANDENBURG , Times-Republican

SURVEYS help pull in the numbers. But to mean anything, the validity of the survey methodology must be scientifically based. For well over 60 years, Iowa DNR biologists and conservation officers have assisted in what has been known as roadside counts. The process was developed long ago by researchers at Iowa State University to help come up with a system to make relative counts of upland wildlife meaningful.The end result was standardized roadside counts, more than 200 of them in Iowa, each being 30 miles long. The routes represent the breadth and variety of habitats in Iowa's landscape. Each route has remained identical through time.



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