Yellowstone implements closures for 2020 fisheries work

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Gibbon Closure Map, 8/17/2020-8/23/2020

Countrywide Park Assistance

Information Release Date: August 13, 2020

Get hold of: Morgan Warthin, (307) 344-2015

MAMMOTH Scorching SPRINGS, WY – From August 17-23, 2020, the subsequent places of the upper Gibbon River drainage in the central portion of Yellowstone Countrywide Park will shut for indigenous fisheries restoration operate: 

  • Virginia Cascades Travel
  • Wolf Lake Path to Very little Gibbon Falls (see map)

Campsites in the region will continue being open up. Nonetheless, entry to the sites may perhaps be impacted. Stop by the Backcountry Condition Report for specifics. The closures are important for park personnel to carry on work on a undertaking to eliminate nonnative fish from the higher Gibbon River drainage in between Virginia Cascades and Minimal Gibbon Falls. Closures may well elevate if the undertaking is accomplished forward of plan.

Biologists will clear away nonnative rainbow trout and brook trout applying the fish toxin, rotenone. Rotenone is a normally transpiring chemical compound derived from the roots of tropical crops. Underneath the remedy space, biologists will insert potassium permanganate to the water to remove the results of rotenone and avoid impacts to downstream waters. This is the closing therapy to take out nonnative fish from this area of river. The reintroduction of native Arctic grayling and westslope cuttroat trout will proceed as necessary to restore these indigenous species.

This do the job proceeds the park’s initiatives to develop refuges that guidance the introduction of westslope cutthroat trout and Arctic grayling. The historic stocking of nonnative fish virtually eliminated these species from Yellowstone. In the latest decades, the park has restored them to the East Fork of Specimen Creek, Goose Lake, and Grayling Creek. Planning paperwork describing this operate can be discovered on the Countrywide Park Service scheduling website.

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