Journal
ECOLOGY LETTERS
Volume 17, Issue 5, Pages 527-536Publisher
WILEY
DOI: 10.1111/ele.12252
Keywords
generation time; tropical forest; Diversity; traits; turnover
Categories
Funding
- Gordon and Betty Moore Foundation
- National Environmental Research Council [NE/I028122/1, NE/F005806/1]
- European Commission [282664, 283080]
- Royal Society
- National Geographic Society
- Tropenbos International
- European Commission
- NASA Longterm Biosphere-Atmosphere Project in Amazonia (LBA)
- Brazilian National Council for Scientific and Technological Development (CNPq) [558069/2009-6]
- projeto INCT Processo [574008/2008-0]
- National Institute for Amazonian Research (INPA), Brazil
- Tropical Ecology Assessment and Monitoring (TEAM) Network, a collaboration among Conservation International
- Missouri Botanical Garden
- Smithsonian Institution
- Wildlife Conservation Society
- French ANR [CEBA: ANR-10-LABX-0025, TULIP: ANR-10-LABX-0041]
- European Research Council project 'Tropical Forests in the Changing Earth System'
- Natural Environment Research Council [NE/I027797/1, NE/B503384/1, NE/I028122/1, NE/B504630/1, NE/F005806/1, NE/I021160/1] Funding Source: researchfish
- NERC [NE/I027797/1, NE/I021160/1, NE/I028122/1, NE/F005806/1] Funding Source: UKRI
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The Amazon rain forest sustains the world's highest tree diversity, but it remains unclear why some clades of trees are hyperdiverse, whereas others are not. Using dated phylogenies, estimates of current species richness and trait and demographic data from a large network of forest plots, we show that fast demographic traits - short turnover times - are associated with high diversification rates across 51 clades of canopy trees. This relationship is robust to assuming that diversification rates are either constant or decline over time, and occurs in a wide range of Neotropical tree lineages. This finding reveals the crucial role of intrinsic, ecological variation among clades for understanding the origin of the remarkable diversity of Amazonian trees and forests.
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