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The system of biogeoclimatic ecosystem classification was partly created for the purpose of managing forestry resources, but is also in use by the British Columbia Ministry of Environment and Climate Change Strategy and other provincial agencies. A biogeoclimatic zone is defined as "a geographic area having similar patterns of energy flow ...
The climate of California varies widely from hot desert to alpine tundra, depending on latitude, elevation, and proximity to the Pacific Coast. California 's coastal regions, the Sierra Nevada foothills, and much of the Central Valley have a Mediterranean climate , with warmer, drier weather in summer and cooler, wetter weather in winter.
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 coast of California north of San Francisco contains the Northern California coastal forests (as defined by the WWF) and the southern section of the Coast Range ecoregion (as defined by the EPA). This ecoregion is dominated by redwood forest , containing the tallest and some of the oldest trees in the world.
Map of California topography and geomorphic provinces California's major mountain ranges. California is a U.S. state on the western coast of North America. Covering an area of 163,696 sq mi (423,970 km 2), California is among the most geographically diverse states.
California is in the Nearctic realm. Ecoregions are listed by biome: [1] Temperate coniferous forests. Eastern Cascades forests (Eastern Cascades Slopes and Foothills)
The dense and diverse forests make this zone the second most productive forest zone in British Columbia and Canada. Sub-Boreal ( Hemiboreal ) Spruce and Pine-Spruce Zones: The central interior of the province, consisting of the rolling lake-studded terrain of the Cariboo — the Fraser and Nechako Plateaus — is characterised by severe, snowy ...
The differences in climate from south to north create several major forest zones, characterized by different species. At the southern limit in northern California is the "coast redwood zone". Beginning at the California/Oregon border, and extending through the north end of Vancouver Island is the "seasonal rain forest zone".