From ratites to rats: the size of fleshy fruits shapes species’ distributions and continental rainforest assembly

Rossetto, Maurizio, Kooyman, Robert, Yap, Jia-Yee S. and Laffan S.W. (2015) From ratites to rats: the size of fleshy fruits shapes species’ distributions and continental rainforest assembly. Proceedings of the Royal Society B: Biological Sciences, 282 1820: 1-7. doi:10.1098/rspb.2015.1998


Author Rossetto, Maurizio
Kooyman, Robert
Yap, Jia-Yee S.
Laffan S.W.
Title From ratites to rats: the size of fleshy fruits shapes species’ distributions and continental rainforest assembly
Journal name Proceedings of the Royal Society B: Biological Sciences   Check publisher's open access policy
ISSN 1471-2954
0962-8452
Publication date 2015-12-09
Year available 2015
Sub-type Article (original research)
DOI 10.1098/rspb.2015.1998
Open Access Status Not Open Access
Volume 282
Issue 1820
Start page 1
End page 7
Total pages 7
Place of publication London, United Kingdom
Publisher The Royal Society Publishing
Language eng
Formatted abstract
Seed dispersal is a key process in plant spatial dynamics. However, consistently applicable generalizations about dispersal across scales are mostly absent because of the constraints on measuring propagule dispersal distances for many species. Here, we focus on fleshy-fruited taxa, specifically taxa with large fleshy fruits and their dispersers across an entire continental rainforest biome. We compare species-level results of whole-chloroplast DNA analyses in sister taxa with large and small fruits, to regional plot-based samples (310 plots), and whole-continent patterns for the distribution of woody species with either large (more than 30 mm) or smaller fleshy fruits (1093 taxa). The pairwise genomic comparison found higher genetic distances between populations and between regions in the large-fruited species (Endiandra globosa), but higher overall diversity within the small-fruited species (Endiandra discolor). Floristic comparisons among plots confirmed lower numbers of large-fruited species in areas where more extreme rainforest contraction occurred, and re-colonization by small-fruited species readily dispersed by the available fauna. Species' distribution patterns showed that larger-fruited species had smaller geographical ranges than smaller-fruited species and locations with stable refugia (and high endemism) aligned with concentrations of large fleshy-fruited taxa, making them a potentially valuable conservation-planning indicator.
Keyword Australia
Chloroplast genome
Dispersal
Fruit size
Next generation sequencing
Rainforest assembly
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Queensland Alliance for Agriculture and Food Innovation
Official 2016 Collection
 
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