DNR fish survey on Chain O' Lakes
Автор: Bob Cloud
Загружено: 2015-05-01
Просмотров: 4655
Описание: Biologists from the Wisconsin Department of Natural Resources conducted a fish survey on the Chain O’ Lakes near Waupaca. Al Niebur and Dan Nelson used nets to place large walleye in a tank of water, then measured and weighed them. Nelson can be seen removing a fin spine from a walleye in order to determine its age. The agency surveys the Chain every four years.
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