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The Bunchgrass zone is the warmer of the two biogeoclimatic zones in British Columbia which lack trees. It is most commonly found in deeply incised valleys east of the Coast Mountains and within their rain shadow. Drought, not cold as in the Alpine Tundra (AT), minimizes forest or woodland development.
Biogeoclimatic ecosystem classification (BEC) [1] [2] is an ecological classification framework used in British Columbia to define, describe, and map ecosystem-based units at various scales, from broad, ecologically-based climatic regions down to local ecosystems or sites.
The climate and ecology of different locations on the globe naturally separate into life zones, depending on elevation, latitude, and location.The generally strong dependency on elevation is known as altitudinal zonation: the average temperature of a location decreases as the elevation increases.
The landforms of British Columbia include two major continental landforms, the Interior Plains in the province's northeast, the British Columbia portion of which is part of the Alberta Plateau. The rest of the province is part of the Western Cordillera of North America , often referred to in Canada as the Pacific Cordillera or Canadian Cordillera.
The Nearctic realm covers most of North America, including Greenland, Central Florida, and the highlands of Mexico. The parts of North America that are not in the Nearctic realm include most of coastal Mexico, southern Mexico, southern Florida , coastal central Florida , Central America , and the Caribbean islands.
The commission's 1997 report, Ecological Regions of North America, provides a framework that may be used by government agencies, non-governmental organizations, and academic researchers as a basis for risk analysis, resource management, and environmental study of the continent's ecosystems. [1]
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The Ecology of the North Cascades is heavily influenced by the high elevation and rain shadow effects of the mountain range. The North Cascades is a section of the Cascade Range from the South Fork of the Snoqualmie River in Washington, United States, to the confluence of the Thompson and Fraser Rivers in British Columbia, Canada, where the range is officially called the Cascade Mountains but ...