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Ore. Calif. Nev. Ariz. Utah Colo. Idaho Wash. Mont. Wyo. N.M. Current suitable habitat Engelmann spruce habitat across the West Ore. Calif. Nev. Ariz. Utah Colo. Idaho Wash. Mont. Wyo. N.M. By 2030 Spruce density on the decline across the West Ore. Calif. Nev. Ariz. Utah Colo. Idaho Wash. Mont. Wyo. N.M. By 2060 Uinta Range among last bastions for habitat Ore. Calif. Nev. Ariz. Utah Colo. Idaho Wash. Mont. Wyo. N.M. By 2090 Engelmann habitat severely diminished Engelmann spruce threat Using a greenhouse gas emissions scenario that is proving conservative, the U.S. Forest Service's Rocky Mountain Research Station projects a shrinking footprint for spruce in Utah and the Rocky Mountains. Colo. 6.6 Mont. 6.2 Calif. 5.5 Idaho 5.2 Wyo. 3.7 Wash. 3.6 Ore. 3.0 Ariz. 2.3 Utah 1.9 N.Mex. 1.8 Nev. 1.3 7 million acres 6 5 4 3 2 1 0 Forest mortality due to bark beetles, Utah, 1998-2010, and the West, 1997-2009 Sources: International Journal of Plant Sciences, U.S. Forest Service Reported by Brandon Loomis, graphics by Todd Adams | The Salt Lake Tribune Ore. Calif. Nev. Ariz. Utah Colo. Idaho Wash. Mont. Wyo. N.M. Utah, Uinta Forest spotlight trouble with bark beetles The state’s conifer forests, particularly in the Uinta Range of northern Utah, have taken a huge hit, as evidenced by the red-shaded areas, shown right. The U.S. Forest Service estimates that from 1998-2010, 13.6 million conifer trees were lost to insects, primarily pine beetles, and disease. That represents about 1.9 million acres of forested area. 15 15 80 80 70 15 Dead or dying conifer forests 0 50 Great Salt Lake MILES Uinta Mountains Book Cliffs Bear River Range UTAH Manti- La Sal National Forest Escalante Mountains San Juan River drainage Zion National Park Beetles altering forest landscape in the West With 6.6 million acres of dead or dying conifer forests, Colorado is the most afflicted Western state. Utah is the ninth- most affected state. Conifer mortality Bark beetles are ravaging the West’s forestlands

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A map of the beetle devastation across the western United States.

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Page 1: Forest Map: Bark beetles are ravaging forests in Utah and the West

Ore.

Calif.Nev.

Ariz.

Utah Colo.

Idaho

Wash. Mont.

Wyo.

N.M.

Current suitable habitatEngelmann spruce habitat across the West

Ore.

Calif.Nev.

Ariz.

Utah Colo.

Idaho

Wash. Mont.

Wyo.

N.M.

By 2030Spruce density on the decline across the West

Ore.

Calif.Nev.

Ariz.

Utah Colo.

Idaho

Wash. Mont.

Wyo.

N.M.

By 2060Uinta Range among last bastions for habitat

Ore.

Calif.Nev.

Ariz.

Utah Colo.

Idaho

Wash. Mont.

Wyo.

N.M.

By 2090Engelmann habitat severely diminished

Engelmann spruce threatUsing a greenhouse gas emissions scenario that is proving conservative, the U.S. Forest Service's Rocky Mountain Research Station projects a shrinking footprint for spruce in Utah and the Rocky Mountains.

Colo.

6.6Mont.

6.2Calif.

5.5Idaho

5.2Wyo.

3.7Wash.

3.6Ore.

3.0Ariz.

2.3Utah

1.9N.Mex.

1.8Nev.

1.3

7 million acres

6

5

4

3

2

1

0

Forest mortality due to bark beetles, Utah, 1998-2010, and the West, 1997-2009

Sources: International Journal of Plant Sciences, U.S. Forest Service Reported by Brandon Loomis, graphics by Todd Adams | The Salt Lake Tribune

Ore.

Calif.

Nev.

Ariz.

Utah

Colo.

Idaho

Wash. Mont.

Wyo.

N.M.

Utah, Uinta Forestspotlight troublewith bark beetles

The state’s coniferforests, particularlyin the Uinta Range ofnorthern Utah,have taken a huge hit, as evidenced bythe red-shaded areas,shown right. The U.S. Forest Serviceestimates that from1998-2010, 13.6million conifer treeswere lost to insects,primarily pinebeetles, and disease.That represents about1.9 million acres offorested area.

15

15

80

80

70

15

Dead or dyingconifer forests

0 50

Great

Salt

Lake

MILES

Uinta Mountains

Book Cliffs

Bear RiverRange

UTAH Manti-La SalNationalForest

EscalanteMountains

San JuanRiver drainage

ZionNationalPark

Beetles alteringforest landscapein the West

With 6.6 million acresof dead or dying conifer forests, Colorado is the most afflicted Western state.Utah is the ninth-most affectedstate.

Conifer mortality Bark beetles are ravaging the West’s forestlands

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