Understanding different dominance patterns in western Amazonian forests

  • Laura Matas-Granados (Creator)
  • Frederick C Draper (Creator)
  • Luis Cayuela (Creator)
  • Julia G. de Aledo (Creator)
  • Celina B. Saadi (Creator)
  • Gabriel Arellano (Creator)
  • Timothy R. Baker (Creator)
  • Oliver L. Phillips (Creator)
  • Euridice N. Honorio Coronado (University of St Andrews) (Creator)
  • Kalle Ruokolainen (Creator)
  • Roosevelt García-Villacorta (Creator)
  • Katy Roucoux (Creator)
  • Maximilien Guèze (Creator)
  • Elvis Valderrama Sandoval (Creator)
  • Paul V. A. Fine (Creator)
  • Carlos A. Amasifuén Guerra (Creator)
  • Ricardo Zárate Gómez (Creator)
  • Pablo R. Stevenson Diaz (Creator)
  • Abel Monteagudo Mendoza (Creator)
  • Rodolfo Vásquez Martínez (Creator)
  • Mathias Disney (Creator)
  • John del Aguila Pasquel (Creator)
  • Jacob B. Socolar (Creator)
  • Gerardo Flores Llampazo (Creator)
  • Jim Vega Arenas (Creator)
  • José Reyna Huaymacari (Creator)
  • Julio M.Grandez Rios (Creator)
  • Manuel J. Macía (Creator)

Dataset

Description

Dominance of neotropical tree communities by a few species is widely documented, but dominant trees show a variety of distributional patterns still poorly understood. Here, we used 503 forest inventory plots (93,719 individuals ≥ 2.5 cm diameter, 2,609 species) to explore the relationships between local abundance, regional frequency, and spatial aggregation of dominant species in four main habitat types in western Amazonia. Contrary to the widely supported positive abundance-occupancy relationship in ecology, we found that among dominant Amazonian tree species, there is a strong negative relationship between local abundance and regional frequency and/or spatial aggregation across habitat types. Our findings suggest an ecological trade-off whereby dominant species can be locally abundant (local dominants) or regionally widespread (widespread dominants), but rarely both (oligarchs). Given the importance of dominant species as drivers of diversity and ecosystem functioning, unraveling different dominance patterns is a research priority to direct conservation efforts in Amazonian forests.
Date made available2023
PublisherDryad
  • Understanding different dominance patterns in western Amazonian forests (all versions - software)

    Matas-Granados, L. (Creator), Draper, F. C. (Creator), Cayuela, L. (Creator), de Aledo, J. G. (Creator), Saadi, C. B. (Creator), Arellano, G. (Creator), Baker, T. R. (Creator), Phillips, O. L. (Creator), Honorio Coronado, E. N. (Creator), Ruokolainen, K. (Creator), García-Villacorta, R. (Creator), Roucoux, K. H. (Creator), Guèze, M. (Creator), Valderrama Sandoval, E. (Creator), Fine, P. V. A. (Creator), Amasifuen Guerra, C. A. (Creator), Zarate Gomez, R. (Creator), Stevenson Diaz, P. R. (Creator), Monteagudo-Mendoza, A. (Creator), Vasquez Martínez, R. (Creator), Disney, M. (Creator), del Aguila Pasquel, J. (Creator), Socolar, J. B. (Creator), Flores Llampazo, G. (Creator), Vega Arenas, J. (Creator), Reyna Huaymacari, J. (Creator), Grandez Rios, J. M. (Creator) & Macía, M. J. (Creator), Zenodo, 2023

    Dataset: Software

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