Longevity News

Species intraspecific variation drives tropical forest drought resistance - Nature

Source: Nature - Main • Published: 12 Aug 2026, 00:00

Species intraspecific variation drives tropical forest drought resistance - Nature

Tropical forest hydraulic-trait research showing how within-species and community changes shape drought resistance; a concise, curiosity-provoking study preview.

Key Takeaways
  • Researchers measured 11 hydraulic traits in 290 trees across 18 species along a fourfold rainfall gradient
  • Most species showed increased embolism resistance and wider stomatal safety margins in drier forests
  • Both intraspecific trait variation and species turnover jointly drive coordinated shifts in drought resistance
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