Logging in The Sierra Nevada - Environmental Effects

Environmental Effects

Logging practices have altered the majority of the native forests, transforming them into simplified forests of same-aged trees with a reduced ecological resilience. These disturbed stands are especially prone to catastrophic fire and mortality due to beetle infestation and disease. It has also caused fragmentation and increased edge effect, along with releasing pesticides and chemicals into the water and land. In the Sierra’s there are 218 endemic plant species that are considered rare or threatened, and three plant species are believed to be extinct. Sixty-nine terrestrial vertebrate species are considered at risk by government agencies. A famous North American endangered species, the California Spotted Owl, may depend on large tracts of old-growth coniferous forests and its protection has been a major wildlife and forest management issue.

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