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  Igapó seed patches: a potentially key resource for terrestrial vertebrates in a seasonally flooded forest of central Amazonia

Antunes, A. C., Baccaro, F., Caetano Andrade, V. L., Ramos, J. F., Da Silva Moreira, R., & Barnett, A. A. (2019). Igapó seed patches: a potentially key resource for terrestrial vertebrates in a seasonally flooded forest of central Amazonia. Biological Journal of the Linnean Society, blz101. doi:10.1093/biolinnean/blz101.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0004-9AE4-D Version Permalink: http://hdl.handle.net/21.11116/0000-0004-9AE5-C
Genre: Journal Article

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 Creators:
Antunes, Ana Carolina, Author
Baccaro, Fabrício, Author
Caetano Andrade, Victor Lery1, Author              
Ramos, José Ferreira, Author
Da Silva Moreira, Roberto, Author
Barnett, Adrian A, Author
Affiliations:
1Archaeology, Max Planck Institute for the Science of Human History, Max Planck Society, ou_2074312              

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Free keywords: bird – Igapó forest – interaction – mammal – neotropical forest
 Abstract: In Amazonian igapó forests (seasonally flooded forests on blackwater river margins), the end of the annual flood pulse results in the formation of extensive mat-like seed patches. The seeds in these patches then germinate, forming a dense, highly heterogeneous, assemblage. Animal–plant interactions in these areas, as well as the influence that the patches have on the occurrence of herbivorous vertebrates, remain almost completely unstudied. Using camera traps in areas with and without seed/seedling patches, we tested the relationship between these seed accumulation sites and the presence of bird and mammal species. At the micro-scale (between treatments), vertebrate occurrence was not related to patch presence. At the larger scale (local), distance from adjacent upland (terra firme) forest and seed patch size were correlated with vertebrate distribution. The widespread occurrence of terrestrially active birds and mammals throughout igapó forests, not just where food resource densities were high, seems to be a compromise strategy between exploring the area to select the most favourable food items, and minimizing the risk of being predated when spending extended time foraging at the concentrated food sources represented by the seed patches. Our results underline the potential importance of igapó forests as a key habitat for a variety of terrestrial terra firme taxa, as well as emphasize the dynamic nature of this forest type, and should encourage further studies of this habitat and resource availability system.

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Language(s): eng - English
 Dates: 2019-07-31
 Publication Status: Published online
 Pages: 13
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1093/biolinnean/blz101
Other: shh2394
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Title: Biological Journal of the Linnean Society
  Abbreviation : Biol. J. Linn. Soc. Lond.
Source Genre: Journal
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Publ. Info: London : Wiley
Pages: - Volume / Issue: - Sequence Number: blz101 Start / End Page: - Identifier: ISSN: 0024-4066
CoNE: https://pure.mpg.de/cone/journals/resource/954922646052