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Apparent decline in Minnesota's perch has officials concerned

An apparent long-term decline in Minnesota’s yellow perch populations has Department of Natural Resources fisheries officials perplexed and seeking answers.

A recently published study showed a significant decline since 1970 of yellow perch caught in DNR nets. Perch are a primary food for walleyes, northerns and largemouth bass, so a drop in perch numbers could spell wider troubles.

The study said the trend is important “because the decline of this species may negatively impact angling opportunities and food webs across the state.’’

http://www.startribune.com/apparent-decline-in-minnesota-s-perch-has-officials-concerned/311078601/

 

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