Climate Change in Washington - Ecological Impacts

Ecological Impacts

Ecological impacts are expected to be great, with many indicators already presently visible. They will be caused both directly (warmer temperatures, greater storm event intensity/frequency, etc.) and indirectly (rising sea level, more frequent wildfires, etc.) by climate change. Washington is expected to have a 0.1 - 0.6 °C (0.2-1.0 °F) change per decade.(WA-CC-report, P. 22) Because of this, and an expected increase in fuel buildup in some forest types, wildfire frequency and devastation will increase.(P. 24) Wildlife will be affected by climate change, with most species or populations subject to problems as a result of changes in distribution and temporal mismatching of phenological events. Statewide assessments will be used to determine what species and habitats are to be preserved. These places may not provide protection to the same species in the future due to ecosystem variation brought on by climate change.(WA-CC-report, P. 22) These range shifts are individual rather than community based, and therefore will cause dramatic community shifts in composition and/or density. This will likely result in the eventual extinction of many local populations and potentially entire species, causing an overall loss of biodiversity.

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