Last Update: 04/05/2026 at 2:50 PM EST
Climate Change Shifts Tree Diversity
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Articles
4
Latest Article
02/27
Active Days
36
Executive Summary
Forty years of forest plot data show climate change is driving uneven tree diversity losses and gains across the Andes and Amazon
- Overall species richness stayed relatively stable across the broader Andes-Amazon region
- Hotter, drier, more seasonal forests were more likely to lose tree species
- Strongest declines were seen in the Central Andes, Guyana Shield, and Central Eastern Amazon
- Northern Andes and Western Amazon showed gains in tree species richness
- Rainfall levels and precipitation seasonality were major drivers of regional differences
- Northern Andes may serve as a refuge for species displaced by warming
- Forest fragmentation and fire increased vulnerability to species loss
Quick Facts
- What: Climate change is reshaping tree diversity unevenly
- Where: Tropical Andes and Amazon forests across ten countries
- Why: Rising temperature and changing rainfall altered species richness
- Who: International team led by Dr Belen Fadrique
- When: Based on forty years of forest plot records

