Dock Talk: DNR uses nets to measure fish abundance
Anglers commonly reference gill net, trap net and stocking data found in map books and on the Minnesota Department of Natural Resources website dnr.state.mn.us.
Although that public information assists naturalists, anglers and curious folks in finding lakes with, for instance, a greater population of walleye, the DNR gathers the current information to monitor the physical and chemical characteristics of a lake.
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