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Long-term droughts may drive drier tropical forests towards increased functional, taxonomic and phylogenetic homogeneity

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Abstract
Tropical ecosystems adapted to high water availability may be highly impacted by climatic changes that increase soil and atmospheric moisture deficits. Many tropical regions are experiencing significant changes in climatic conditions, which may induce strong shifts in taxonomic, functional and phylogenetic diversity of forest communities. However, it remains unclear if and to what extent tropical forests are shifting in these facets of diversity along climatic gradients in response to climate change. Here, we show that changes in climate affected all three facets of diversity in West Africa in recent decades. Taxonomic and functional diversity increased in wetter forests but tended to decrease in forests with drier climate. Phylogenetic diversity showed a large decrease along a wet-dry climatic gradient. Notably, we find that all three facets of diversity tended to be higher in wetter forests. Drier forests showed functional, taxonomic and phylogenetic homogenization. Understanding how different facets of diversity respond to a changing environment across climatic gradients is essential for effective long-term conservation of tropical forest ecosystems. Different aspects of biodiversity may not necessarily converge in their response to climate change. Here, the authors investigate 25-year shifts in taxonomic, functional and phylogenetic diversity of tropical forests along a spatial climate gradient in West Africa, showing that drier forests are less stable than wetter forests.
Keywords
SPECIES RICHNESS, CLIMATE-CHANGE, ECOSYSTEM-FUNCTION, R PACKAGE, DIVERSITY, BIODIVERSITY, PATTERNS, RAINFALL, IMPACTS, AFRICAN

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MLA
Aguirre-Gutierrez, Jesus, et al. “Long-Term Droughts May Drive Drier Tropical Forests towards Increased Functional, Taxonomic and Phylogenetic Homogeneity.” NATURE COMMUNICATIONS, vol. 11, no. 1, 2020, doi:10.1038/s41467-020-16973-4.
APA
Aguirre-Gutierrez, J., Malhi, Y., Lewis, S. L., Fauset, S., Adu-Bredu, S., Affum-Baffoe, K., … Oliveras, I. (2020). Long-term droughts may drive drier tropical forests towards increased functional, taxonomic and phylogenetic homogeneity. NATURE COMMUNICATIONS, 11(1). https://doi.org/10.1038/s41467-020-16973-4
Chicago author-date
Aguirre-Gutierrez, Jesus, Yadvinder Malhi, Simon L. Lewis, Sophie Fauset, Stephen Adu-Bredu, Kofi Affum-Baffoe, Timothy R. Baker, et al. 2020. “Long-Term Droughts May Drive Drier Tropical Forests towards Increased Functional, Taxonomic and Phylogenetic Homogeneity.” NATURE COMMUNICATIONS 11 (1). https://doi.org/10.1038/s41467-020-16973-4.
Chicago author-date (all authors)
Aguirre-Gutierrez, Jesus, Yadvinder Malhi, Simon L. Lewis, Sophie Fauset, Stephen Adu-Bredu, Kofi Affum-Baffoe, Timothy R. Baker, Agne Gvozdevaite, Wannes Hubau, Sam Moore, Theresa Peprah, Kasia Zieminska, Oliver L. Phillips, and Imma Oliveras. 2020. “Long-Term Droughts May Drive Drier Tropical Forests towards Increased Functional, Taxonomic and Phylogenetic Homogeneity.” NATURE COMMUNICATIONS 11 (1). doi:10.1038/s41467-020-16973-4.
Vancouver
1.
Aguirre-Gutierrez J, Malhi Y, Lewis SL, Fauset S, Adu-Bredu S, Affum-Baffoe K, et al. Long-term droughts may drive drier tropical forests towards increased functional, taxonomic and phylogenetic homogeneity. NATURE COMMUNICATIONS. 2020;11(1).
IEEE
[1]
J. Aguirre-Gutierrez et al., “Long-term droughts may drive drier tropical forests towards increased functional, taxonomic and phylogenetic homogeneity,” NATURE COMMUNICATIONS, vol. 11, no. 1, 2020.
@article{8675064,
  abstract     = {Tropical ecosystems adapted to high water availability may be highly impacted by climatic changes that increase soil and atmospheric moisture deficits. Many tropical regions are experiencing significant changes in climatic conditions, which may induce strong shifts in taxonomic, functional and phylogenetic diversity of forest communities. However, it remains unclear if and to what extent tropical forests are shifting in these facets of diversity along climatic gradients in response to climate change. Here, we show that changes in climate affected all three facets of diversity in West Africa in recent decades. Taxonomic and functional diversity increased in wetter forests but tended to decrease in forests with drier climate. Phylogenetic diversity showed a large decrease along a wet-dry climatic gradient. Notably, we find that all three facets of diversity tended to be higher in wetter forests. Drier forests showed functional, taxonomic and phylogenetic homogenization. Understanding how different facets of diversity respond to a changing environment across climatic gradients is essential for effective long-term conservation of tropical forest ecosystems. Different aspects of biodiversity may not necessarily converge in their response to climate change. Here, the authors investigate 25-year shifts in taxonomic, functional and phylogenetic diversity of tropical forests along a spatial climate gradient in West Africa, showing that drier forests are less stable than wetter forests.},
  articleno    = {3346},
  author       = {Aguirre-Gutierrez, Jesus and Malhi, Yadvinder and Lewis, Simon L. and Fauset, Sophie and Adu-Bredu, Stephen and Affum-Baffoe, Kofi and Baker, Timothy R. and Gvozdevaite, Agne and Hubau, Wannes and Moore, Sam and Peprah, Theresa and Zieminska, Kasia and Phillips, Oliver L. and Oliveras, Imma},
  issn         = {2041-1723},
  journal      = {NATURE COMMUNICATIONS},
  keywords     = {SPECIES RICHNESS,CLIMATE-CHANGE,ECOSYSTEM-FUNCTION,R PACKAGE,DIVERSITY,BIODIVERSITY,PATTERNS,RAINFALL,IMPACTS,AFRICAN},
  language     = {eng},
  number       = {1},
  pages        = {10},
  title        = {Long-term droughts may drive drier tropical forests towards increased functional, taxonomic and phylogenetic homogeneity},
  url          = {http://dx.doi.org/10.1038/s41467-020-16973-4},
  volume       = {11},
  year         = {2020},
}

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