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Species distribution modeling allied with land-use reveal priority sites and species for palm (Arecaceae) conservation in Rio de Janeiro, Brazil

Authors
  • de Lima, Thales Moreira1
  • Portela, Rita De Cássia Quitete1
  • Mendes, Eduardo Teles Barbosa1
  • Oda, Gabriela Akemi2
  • 1 Laboratory of Plant Ecology, Department of Ecology, Biology Institute, Federal University of Rio de Janeiro, Rio de Janeiro , (Brazil)
  • 2 Laboratory of Forest Ecology and Conservation, Department of Environmental Sciences, Forestry Institute, Federal Rural University of Rio de Janeiro, Seropedica , (Brazil)
Type
Published Article
Journal
Frontiers in Forests and Global Change
Publisher
Frontiers Media S.A.
Publication Date
Jul 25, 2022
Volume
5
Identifiers
DOI: 10.3389/ffgc.2022.928446
Source
Frontiers
Keywords
Disciplines
  • Forests and Global Change
  • Original Research
License
Green

Abstract

Palms species (Arecaceae) are abundant in tropical forests and influence ecosystems in important ways. Moreover, they are a relevant feature in the Atlantic Forest biodiversity hotspot. In this study, we seek to better understand the distribution of palm richness in Rio de Janeiro state, Brazil, with the aim to support conservation decisions and actions. Maps for 15 palm species were generated through species distribution modeling and then stacked into a palm richness map, which was further combined with current land-use and protected area maps to generate a realistic portrayal of the current situation of Arecaceae in the state. Our results revealed an increasing inland-to-coast pattern of richness that matches the biogeographical subdivision of the Atlantic Forest. Considering the land-use information, the palm species potential distribution is drastically reduced, especially for some species which already have a restricted distribution in the state. We also identified the most relevant protected areas for the conservation of palms in the state and those which might have been overlooked in floristic inventories, thus requiring more detailed investigation. Moreover, we point out those species with few points, for which species distribution models could not be built, and argue that they are the ones more likely to be threatened by habitat loss and should be the focus of specimen collection and recording. Finally, we draw attention to a large medium-richness remnant located between two protected areas which probably functions as a connection between them and should be a priority area for conservation.

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