Term
Forest
Cold Needle Leaf Forest |
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Definition
Northern Pine
subarctic band Labrador west to Alaska, northern Quebec and Ontario
evergreen forest, few number of species |
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Term
Forest
Western Coast and Western Highland |
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Definition
Rockies, Sierra Nevada, Cascades, Olympic Peninsula, Washington, and Rocky Mt. National Park, Colorado
evergreen forest, varies with altitude and precipitation |
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Term
Forest
Subtropical Evergreen Forest |
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Definition
Deep South - Southern Pines, North Carolina
evergreen forest, rapid growth |
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Term
| Midlatitude Deciduous Forest |
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Definition
Northeastern United States, adjacent Canada, Appalachians, Morgantown, West Virginia
trees lose their leaves every fall |
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Term
Sclerophyllous Vegetation
Mediterranean |
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Definition
Coastal Southern California - Los Angeles
winter green/summer drought tolerant, short trees, bushes/shrubs/grasses, |
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Term
Grassland
Tall Grass Prairie |
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Definition
just west of eastern forest, eastern edge of Great Plains
eastern Kansas
inadequate precipitation for tree growth, tall grasses |
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Term
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Definition
western edge of Central Lowland and Great Plains
Denver, Colorado
small amount of precipitation, near desert, short grasses |
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Term
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Definition
Intermountain Basins and Plateaus
western Washington state
xerophytic plants |
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Term
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Definition
Southwest
Phoenix and Tucson, Arizona
little precipitation, xerophytic plants |
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Term
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Definition
Alaska and Canada bordering Arctic Ocean
Pt. Barrow, Alaska
cold resistant plants, treeless, marshy, grasses, lichens |
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Term
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Definition
high mountains above treeline
Pike's Peak, Colorado - cold resistant plants, treeless, grasses, lichens, bare rock |
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Term
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Definition
Alaska and Canada bordering on Arctic Ocean
Frozen great part of year. Upper few inches thaw during brief summer, water does not drain freely from saturated soil. No agricultural activity. |
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Term
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Definition
Northeastern United States and Canada to near Arctic Ocean
Gray soil with many nutrients removed by leaching of organic acids. Highly acidic. Characteristics more extreme in northern Canada, less intensive going south. Poor agricultural soil under natural conditions. |
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Term
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Definition
Reddish soil with many nutrients leached away by high amount of rainfall. Characteristics more intense towards tropics. Many Ultisols quickly lose their fertility under crop cultivation.
Georgia, Southeastern United States |
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Term
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Definition
Black/brown soil rich in nutrients, high level of soil fertility maintained under natural conditions. Found in semi-arid and, adjacent areas; great grain producing regions of the world are located on this soil.
Western Central Lowlands, Great Plains Iowa; southern Saskatchewan |
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Term
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Definition
Inter-mountain Basins,
Southwestern United States.
Nevada, Arizona Soils of pale colors, rich in nutrient bases. Vegetation and agriculture sparse under natural conditions because of little rainfall, but many of these soils are highly productive with irrigation under the proper conditions. |
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Term
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Definition
Mountainous Areas of the United States and Canada Rocky Mountains
Appalachia
Pacific Coast Mountains
Soil depends upon altitude (climate) along with bedrock, slope, and drainage. Great variations can occur from base of mountain to peak. |
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