Science Source
Emerging stress and relative resiliency of Giant Sequoia groves experiencing multi-year dry periods in a warming climate
- Finds that the giant sequoia, a fixture of California’s Sierra Nevada forests for the past 2.6 million years, might be in jeopardy from the effects of drought and climate change
- Finds that sequoia groves are showing signs of stress, suggesting even these normally resilient trees are becoming increasingly vulnerable to multi-year droughts, which are projected to continue increasing in severity because of climate change
- Finds the 2011-2015 drought brought an unprecedented drop in grove wetness, over five times the 1985-2010 standard deviation; and wetness in Giant Sequoia (Sequoiadendron giganteum, SEGI) groves dropped 50% more than in non-grove areas
- Overall, the wetness and greenness of SEGI groves showed a larger response to the warming climate and drought than non-grove areas
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