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Adult and larval traits as determinants of geographic range size among tropical reef fishes ArchiMer
Luiz, Osmar J.; Allen, Andrew P.; Robertson, D. Ross; Floeter, Sergio R.; Kulbicki, Michel; Vigliola, Laurent; Becheler, Ronan; Madin, Joshua S..
Most marine organisms disperse via ocean currents as larvae, so it is often assumed that larval-stage duration is the primary determinant of geographic range size. However, empirical tests of this relationship have yielded mixed results, and alternative hypotheses have rarely been considered. Here we assess the relative influence of adult and larval-traits on geographic range size using a global dataset encompassing 590 species of tropical reef fishes in 47 families, the largest compilation of such data to date for any marine group. We analyze this database using linear mixed-effect models to control for phylogeny and geographical limits on range size. Our analysis indicates that three adult traits likely to affect the capacity of new colonizers to survive...
Tipo: Text Palavras-chave: Macroecology; Marine dispersal; Colonization.
Ano: 2013 URL: http://archimer.ifremer.fr/doc/00161/27240/25457.pdf
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Converging approaches for modeling the dispersal of propagules in air and sea ArchiMer
Lett, Christophe; Barrier, Nicolas; Bahlali, Meissam.
Terrestrial plants seeds, spores and pollen are often dispersed by wind. Likewise, most eggs and larvae of marine organisms are dispersed by oceanic currents. It was historically believed that the spatial scale at which dispersal occurs was orders of magnitude smaller for plants than for fish. However, recent empirical estimates of seed and larval dispersal suggest that these dispersal scales are more alike than previously thought. The modeling approaches used to simulate aerial and aquatic dispersal are also converging. Similar biophysical models are developed, in which outputs of Eulerian models simulating the main physical forcing mechanism (wind or currents) are used as inputs to Lagrangian models that include biological components (such as seed...
Tipo: Text Palavras-chave: Propagule dispersal; Aquatic dispersal; Oceanic dispersal; Marine dispersal; Aerial dispersal; Wind dispersal; Atmospheric dispersal; Biophysical model; Eulerian model; Lagrangian model.
Ano: 2020 URL: https://archimer.ifremer.fr/doc/00591/70333/68400.pdf
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