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Warming Northwoods temperatures, streams could damage trout populationsSubmitted: 05/29/2015
VILAS COUNTY - A warming climate could make a significant impact on Northwoods streams. Warming streams, in turn, could endanger trout populations in those waterways.

"If we think about streams, it is changing, and that's going to potentially change what can live here and the habitats that are available," said Dr. Noah Lottig, an assistant scientist at the UW-Madison Trout Lake Research Station in Boulder Junction. "We've seen that across a whole range of things and a wide variety of studies."


A report by the U.S. Geological Survey projects average temperatures on three streams in Vilas County could rise significantly by the year 2100.

Trout need colder stream temperatures in order to thrive, so warmer streams could put the trout populations in jeopardy.

"There's a potential in the future that these streams will be too warm to support trout habitat anymore," Lottig said.

The USGS did its temperature modeling on Stevenson Creek, North Creek, and Upper Allequash Creek in the Trout Lake watershed.


Story By: Ben Meyer

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