FWP Kills So Species Can Survive - ABC FOX MONTANA NEWS, WEATHER, SPORTS - KTMF/KWYB

FWP Kills So Species Can Survive

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Montana's FWP plans to remove some non-native fish from Lena Lake in the Bob Marshall Wilderness on the Flathead National Forest with the help of money from the Bonneville Power Administration.

This leg of the project, which first began back in 2007, will cost the BPA about $70,000 and will take place September 5-10.

Westslope Cutthroat Trout have diminished to about ten percent of their historic population, largely due to mating with non-native species.

The FWP will simultaneously add pure Westslope Cutthroat back into the ecosystem while chemically killing the non-native species with a biodegradable compound called Rotenone, which biodegrades quickly in sunlight.

"We've got Lena Lake this year and three more lakes so that puts us at about 2017, we aim to wrap up the project," estimated Matt Boyer, a fisheries biologist with the FWP.

Boyer says the biggest cost is the chemical Rotenone, making the size of the lake the biggest factor when determining cost.

He says Lena Lake is the average size of the lakes they are treating.

Several trails will be closed during parts of the project, including Lena Lake Trail, Shaw Creek Trail, and Big Salmon Creek Trail.

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