- Associated Press - Thursday, October 9, 2014

WEST GLACIER, Mont. (AP) - The National Park Service is building a fish passage barrier to protect native fish populations in a lake in the northwestern part of Glacier National Park.

Park officials say the barrier is needed below Akokala Lake to protect bull trout and genetically pure westslope cutthroat trout from hybridization.

The Park Service says the barrier will not impede the downstream movement of fish, but will prevent lake, rainbow and brook trout from moving upstream.

Park officials say Akokala Lake is one of the last bull trout supporting lakes on the western side of the park that is at risk of invasion but has not yet been colonized by non-native species.

Work will take place in the late summer and fall when water flows are low.

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