Dissecting the difference in tree species richness between Africa and South America.

Publisher: National Academy of Sciences Country of Publication: United States NLM ID: 7505876 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1091-6490 (Electronic) Linking ISSN: 00278424 NLM ISO Abbreviation: Proc Natl Acad Sci U S A Subsets: MEDLINE

Original Publication: Washington, DC : National Academy of Sciences

Trees* ; Tropical Climate*; Biodiversity ; Forests ; Plants ; South America

SignificanceOur full-scale comparison of Africa and South America's lowland tropical tree floras shows that both Africa and South America's moist and dry tree floras are organized similarly: plant families that are rich in tree species on one continent are also rich in tree species on the other continent, and these patterns hold across moist and dry environments. Moreover, we confirm that there is an important difference in tree species richness between the two continents, which is linked to a few families that are exceptionally diverse in South American moist forests, although dry formations also contribute to this difference. Plant families only present on one of the two continents do not contribute substantially to differences in tree species richness.

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Keywords: savanna; taxonomic diversity; tropical dry forest; tropical moist forest; tropical trees

Date Created: 20220329 Date Completed: 20220504 Latest Revision: 20220716

20240104

PMC9168492

10.1073/pnas.2112336119

35349336