Journal
NATURE COMMUNICATIONS
Volume 6, Issue -, Pages -Publisher
NATURE PORTFOLIO
DOI: 10.1038/ncomms7857
Keywords
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Categories
Funding
- Gordon and Betty Moore Foundation
- European Union [283080, 282664]
- European Union (ERC)
- Natural Environment Research Council (NERC) Urgency Grant
- NERC Consortium Grant 'AMAZONICA' [NE/F005806/1]
- NERC Consortium Grant 'TROBIT' [NE/D005590/1]
- NERC Consortium Grant 'Niche evolution of South American trees' [NE/I028122/1]
- Alwyn H. Gentry Forest Transect Dataset (Missouri Botanical Garden)
- PPBio network - PRONEX-FAPEAM/CNPq [1600/2006]
- PPBio network - Hidroveg FAPESP/FAPEAM
- PPBio network - Universal/CNPq [473308/2009-6]
- PPBio network - INCT-CENBAM
- PPBio Biota do Cerrado network (Fitogeografia da Transicao Amazonia/Cerrado CNPq) [457602/2012-0]
- CNPq/PELD network (Transicao Amazonia/Cerrado) [403725/2012-7]
- Investissement d'Avenir grants of the French ANR [CEBA: ANR-10-LABX-0025, TULIP: ANR-10-LABX-0041]
- CNPq
- NERC [NE/K01644X/1, NE/I021160/1]
- ERC Advanced Grant
- Royal Society Wolfson Research Merit Award
- EU FP7 project 'ROBIN' [283093]
- Dutch Ministry of Economic Affairs [KB-14-003-030]
- Natural Environment Research Council [NE/I021160/1, NE/K01644X/1, NE/B504630/1, NE/I028122/1, NE/B503384/1, NE/D005590/1, NE/I027797/1] Funding Source: researchfish
- NERC [NE/D005590/1, NE/K01644X/1, NE/I028122/1, NE/I021160/1, NE/I027797/1] Funding Source: UKRI
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While Amazonian forests are extraordinarily diverse, the abundance of trees is skewed strongly towards relatively few 'hyperdominant' species. In addition to their diversity, Amazonian trees are a key component of the global carbon cycle, assimilating and storing more carbon than any other ecosystem on Earth. Here we ask, using a unique data set of 530 forest plots, if the functions of storing and producing woody carbon are concentrated in a small number of tree species, whether the most abundant species also dominate carbon cycling, and whether dominant species are characterized by specific functional traits. We find that dominance of forest function is even more concentrated in a few species than is dominance of tree abundance, with only approximate to% of Amazon tree species responsible for 50% of carbon storage and productivity. Although those species that contribute most to biomass and productivity are often abundant, species maximum size is also influential, while the identity and ranking of dominant species varies by function and by region.
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