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Extreme heat cuts coast redwood photosynthesis, study finds

By Drooid · Oct 11, 2026, 2:34 PM UTC · How we work

Summary

Story summary

U.C. Davis researchers found coast redwood leaves cut photosynthesis during extreme heat.
They measured leaf traits twice monthly for two years to track temperature effects.
Researchers warn rising temperatures will worsen the slowdown, threatening redwoods and dependent species.
Redwood canopies host salamanders and nesting marbled murrelets, including a 1974 nest 150 ft high.

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Story summary

U.C. Davis researchers found coast redwood leaves cut photosynthesis during extreme heat.
They measured leaf traits twice monthly for two years to track temperature effects.
Researchers warn rising temperatures will worsen the slowdown, threatening redwoods and dependent species.
Redwood canopies host salamanders and nesting marbled murrelets, including a 1974 nest 150 ft high.