Colorado Rockies forests

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Colorado Rockies forests
Ouzellake.jpg
Spruce forest in the Colorado Rockies
Colorado Rockies Forests map.svg
Ecology
Realm Nearctic
Biome Temperate coniferous forest
Borders
Bird species210 [1]
Mammal species103 [1]
Geography
Country United States
States
Conservation
Habitat loss1.2653% [1]
Protected65.39% [1]

The Colorado Rockies forests is a temperate coniferous forest ecoregion of the United States.

Contents

Setting

This ecoregion is located in the highest ranges of the Rocky Mountains, in central and western Colorado, northern New Mexico and southeastern Wyoming, and experiences a dry continental climate. [2] [3]

Flora

The dominant vegetation type of this ecoregion is coniferous forest. In contrast with Rocky Mountain ecoregions to the north, lodgepole pine is rather rare, replaced by Ponderosa pine ( Pinus ponderosa ) and trembling aspen ( Populus tremuloides ). Rocky Mountain Douglas-fir (Pseudotsuga menziesii subsp. glauca), Engelmann spruce (Picea engelmanni), Subalpine fir (Abies lasiocarpa), Limber pine (Pinus flexilis) and Gambel oak (Quercus gambelii) can also be found in the mountain forests. Bristlecone pine ( Pinus aristata ) is the dominant plant at the tree line/krummholz zone. Aside from coniferous forests, the ecoregion contains meadows, foothill grasslands, riparian woodlands and alpine tundra.

Fauna

Mammals include elk (Cervus canadensis), mule deer (Odocoileus hemonius), black bear (Ursus americanus), wolverine (Gulo gulo), North American cougar (Puma concolor), Canada lynx (Lynx canadensis), and American marten (Martes americana). Grizzly bears (Ursus arctos horribilis) may exist in this region but there has not been a confirmed sighting of a grizzly in Colorado since 1979. [4] A load of bird species are found in this region including black-billed magpies (Pica hudsonia), Canada jays (Perisoreus canadensi), Steller's jay (Cyanocitta stelleri), broad-tailed hummingbirds (Selasphorus platycerus), dark-eyed juncos (Junco hyemalis), and the threatened brown-capped rosy-finches (Leucosticte australis) and black rosy-finches (Leucosticte atrata).

Threats and preservation

While this ecoregion is listed as "relatively stable/intact", it is threatened by logging, mining, oil and gas development, recreational-residential construction, domestic livestock grazing and introduction of exotic species. Protected areas include Rocky Mountain National Park and Indian Peaks Wilderness in north-central Colorado, South San Juan Wilderness in south-central Colorado, Carson National Forest in north-central New Mexico and Medicine Bow – Routt National Forest in southeastern Wyoming.

See also

Related Research Articles

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References

  1. 1 2 3 4 Hoekstra, J. M.; Molnar, J. L.; Jennings, M.; Revenga, C.; Spalding, M. D.; Boucher, T. M.; Robertson, J. C.; Heibel, T. J.; Ellison, K. (2010). Molnar, J. L. (ed.). The Atlas of Global Conservation: Changes, Challenges, and Opportunities to Make a Difference . University of California Press. ISBN   978-0-520-26256-0.
  2. "Colorado Rockies forests". Terrestrial Ecoregions. World Wildlife Fund.
  3. http://www.cas.vanderbilt.edu/bioimages/ecoregions/50511.htm Colorado Rockies forests (Vanderbilt University)
  4. "Wildlife Officials Hope Grizzly Bears Stay Out Of Colorado". CBS Denver. 23 May 2012.