Glossary

Canadell et al., 2007

Canadell, J.G., Le Quéré, C., Raupach, M.R., Field, C.B., Buitenhuis, E.T., Ciais, P., et al. 2007. Contributions to accelerating atmospheric CO2 growth from economic activity, carbon intensity, and efficiency of natural sinks. Proceedings of the National Academy of Science104:18866-18870.

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Carbon Sink

Forests absorb carbon dioxide from the air through photosynthesis and the carbon is stored in trees and other components of the ecosystem. Forests also produce carbon dioxide through respiration, decay or when they burn. A forest is a carbon sink if it absorbs more carbon than it produces. Conversely, if a forest produces more carbon than it absorbs it is a carbon source.

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CWHvm

CWHvm is the abbreviation for the very wet maritime Coastal Western Hemlock biogeoclimatic subzone. The province of British Columbia is divided into 16 zones, including the Coastal Western Hemlock (CWH). A zone is a large geographic area with a relatively uniform regional climate. The CWH zone is subdivided into climatically distinct subzones, including the vm, or very wet maritime subzone. The CWHvm has a wet, humid, mild, oceanic climate and has an extensive distribution on the BC coast including western Vancouver Island.

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