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<p class=MsoNormal style='background:white'><span class=epub-state><span
style='font-size:10.5pt;font-family:"Arial","sans-serif"'>Global Ecology and
Biogeography<o:p></o:p></span></span></p>
<p class=MsoNormal style='background:white'><span class=epub-state><span
style='font-size:10.5pt;font-family:"Arial","sans-serif"'>First published: </span></span><span
class=epub-date><span style='font-size:10.5pt;font-family:"Arial","sans-serif"'>21
February 2019</span></span><span style='font-size:10.5pt;font-family:"Arial","sans-serif"'><o:p></o:p></span></p>
<p class=MsoNormal style='line-height:14.7pt;background:white'><span
style='font-size:10.5pt;font-family:"Arial","sans-serif"'><a
href="https://doi.org/10.1111/geb.12899"><span style='color:windowtext;
text-decoration:none'>https://doi.org/10.1111/geb.12899</span></a><o:p></o:p></span></p>
<h2 style='mso-margin-top-alt:7.5pt;margin-right:0in;margin-bottom:11.25pt;
margin-left:0in;line-height:22.5pt;background:white'><span style='font-family:
"Arial","sans-serif"'>A simple spatially explicit neutral model explains the
range size distribution of reef fishes<o:p></o:p></span></h2>
<p class=MsoNormal style='line-height:14.7pt;background:white'><span
style='font-size:10.5pt;font-family:"Arial","sans-serif"'><a
href="https://onlinelibrary.wiley.com/action/doSearch?ContribAuthorStored=Alzate%2C+Adriana"
id="a1_Ctrl"><span style='color:windowtext;text-decoration:none'>Adriana Alzate</span></a><span
class=apple-converted-space> </span><a
href="https://onlinelibrary.wiley.com/action/doSearch?ContribAuthorStored=Janzen%2C+Thijs"><span
style='color:windowtext;text-decoration:none'>Thijs Janzen</span></a><span
class=apple-converted-space> </span><a
href="https://onlinelibrary.wiley.com/action/doSearch?ContribAuthorStored=Bonte%2C+Dries"><span
style='color:windowtext;text-decoration:none'>Dries Bonte</span></a><span
class=apple-converted-space> </span><a
href="https://onlinelibrary.wiley.com/action/doSearch?ContribAuthorStored=Rosindell%2C+James"><span
style='color:windowtext;text-decoration:none'>James Rosindell</span></a><span
class=apple-converted-space> </span><a
href="https://onlinelibrary.wiley.com/action/doSearch?ContribAuthorStored=Etienne%2C+Rampal+S"><span
style='color:windowtext;text-decoration:none'>Rampal S. Etienne</span></a><o:p></o:p></span></p>
<p class=MsoNormal style='line-height:14.7pt;background:white'><span
style='font-size:10.5pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p>
<h2 style='mso-margin-top-alt:0in;margin-right:0in;margin-bottom:11.25pt;
margin-left:0in;background:white'><span style='font-size:16.0pt;font-family:
"Arial","sans-serif"'>Abstract<o:p></o:p></span></h2>
<h3 style='mso-margin-top-alt:9.0pt;margin-right:0in;margin-bottom:9.0pt;
margin-left:0in;background:white;box-sizing: border-box'><span
style='font-size:14.0pt;font-family:"Arial","sans-serif";font-weight:normal'>Aim<o:p></o:p></span></h3>
<p style='mso-margin-top-alt:3.75pt;margin-right:0in;margin-bottom:12.0pt;
margin-left:0in;background:white;box-sizing: border-box'><span
style='font-size:10.5pt;font-family:"Arial","sans-serif"'>The great variation
in range sizes among species has fascinated ecologists for decades. Reef</span><span
style='font-size:10.5pt;font-family:"Cambria Math","serif"'>$B!>(J</span><span
style='font-size:10.5pt;font-family:"Arial","sans-serif"'>associated fish
species live in highly spatially structured habitats and adopt a wide range of
dispersal strategies. We consequently expect species with greater dispersal
ability to occupy larger ranges. However, empirical evidence for such a
positive relationship between dispersal and range size remains scarce. Here, we
unveil the role of dispersal on the range size distribution of reef</span><span
style='font-size:10.5pt;font-family:"Cambria Math","serif"'>$B!>(J</span><span
style='font-size:10.5pt;font-family:"Arial","sans-serif"'>associated fishes
using empirical data and a novel spatially explicit model.<o:p></o:p></span></p>
<h3 style='mso-margin-top-alt:9.0pt;margin-right:0in;margin-bottom:9.0pt;
margin-left:0in;background:white;box-sizing: border-box'><span
style='font-size:14.0pt;font-family:"Arial","sans-serif";font-weight:normal'>Location<o:p></o:p></span></h3>
<p style='mso-margin-top-alt:3.75pt;margin-right:0in;margin-bottom:12.0pt;
margin-left:0in;background:white;box-sizing: border-box'><span
style='font-size:10.5pt;font-family:"Arial","sans-serif"'>Tropical Eastern
Pacific.<o:p></o:p></span></p>
<h3 style='mso-margin-top-alt:9.0pt;margin-right:0in;margin-bottom:9.0pt;
margin-left:0in;background:white;box-sizing: border-box'><span
style='font-size:14.0pt;font-family:"Arial","sans-serif";font-weight:normal'>Major
taxa studied<o:p></o:p></span></h3>
<p style='mso-margin-top-alt:3.75pt;margin-right:0in;margin-bottom:12.0pt;
margin-left:0in;background:white;box-sizing: border-box'><span
style='font-size:10.5pt;font-family:"Arial","sans-serif"'>Reef</span><span
style='font-size:10.5pt;font-family:"Cambria Math","serif"'>$B!>(J</span><span
style='font-size:10.5pt;font-family:"Arial","sans-serif"'>associated fishes.<o:p></o:p></span></p>
<h3 style='mso-margin-top-alt:9.0pt;margin-right:0in;margin-bottom:9.0pt;
margin-left:0in;background:white;box-sizing: border-box'><span
style='font-size:14.0pt;font-family:"Arial","sans-serif";font-weight:normal'>Time
period<o:p></o:p></span></h3>
<p style='mso-margin-top-alt:3.75pt;margin-right:0in;margin-bottom:12.0pt;
margin-left:0in;background:white;box-sizing: border-box'><span
style='font-size:10.5pt;font-family:"Arial","sans-serif"'>Underlying records
are from the 20th and 21st centuries.<o:p></o:p></span></p>
<h3 style='mso-margin-top-alt:9.0pt;margin-right:0in;margin-bottom:9.0pt;
margin-left:0in;background:white;box-sizing: border-box'><span
style='font-size:14.0pt;font-family:"Arial","sans-serif";font-weight:normal'>Methods<o:p></o:p></span></h3>
<p style='mso-margin-top-alt:3.75pt;margin-right:0in;margin-bottom:12.0pt;
margin-left:0in;background:white;box-sizing: border-box'><span
style='font-size:10.5pt;font-family:"Arial","sans-serif"'>We estimated range
size distributions for all reef</span><span style='font-size:10.5pt;font-family:
"Cambria Math","serif"'>$B!>(J</span><span style='font-size:10.5pt;font-family:
"Arial","sans-serif"'>associated fishes separated into six guilds, each with
different dispersal abilities. We used a one</span><span style='font-size:10.5pt;
font-family:"Cambria Math","serif"'>$B!>(J</span><span style='font-size:10.5pt;
font-family:"Arial","sans-serif"'>dimensional spatially explicit neutral model,
which simulates the distribution of species along a linear and contiguous
coastline, to explore the effect of dispersal, speciation and sampling on the
distribution of range sizes. Our model incorporates biologically important long</span><span
style='font-size:10.5pt;font-family:"Cambria Math","serif"'>$B!>(J</span><span
style='font-size:10.5pt;font-family:"Arial","sans-serif"'>distance dispersal
events with a fat</span><span style='font-size:10.5pt;font-family:"Cambria Math","serif"'>$B!>(J</span><span
style='font-size:10.5pt;font-family:"Arial","sans-serif"'>tailed dispersal
kernel and also adopts a more realistic gradual $B!H(Jprotracted$B!I(J
speciation process than originally used in neutral theory. We fitted the model
to the empirical data using an approximate Bayesian computation approach, with
a sequential Monte Carlo algorithm.<o:p></o:p></span></p>
<h3 style='mso-margin-top-alt:9.0pt;margin-right:0in;margin-bottom:9.0pt;
margin-left:0in;background:white;box-sizing: border-box'><span
style='font-size:14.0pt;font-family:"Arial","sans-serif";font-weight:normal'>Results<o:p></o:p></span></h3>
<p style='mso-margin-top-alt:3.75pt;margin-right:0in;margin-bottom:12.0pt;
margin-left:0in;background:white;box-sizing: border-box'><span
style='font-size:10.5pt;font-family:"Arial","sans-serif"'>Stochastic birth,
death, speciation and dispersal events alone can accurately explain empirical
range size distributions for six different guilds of tropical, reef</span><span
style='font-size:10.5pt;font-family:"Cambria Math","serif"'>$B!>(J</span><span
style='font-size:10.5pt;font-family:"Arial","sans-serif"'>associated fishes.
Variation in range size distributions among guilds are explained purely by
differences in dispersal ability with the best dispersers being distributed
over larger ranges.<o:p></o:p></span></p>
<h3 style='mso-margin-top-alt:9.0pt;margin-right:0in;margin-bottom:9.0pt;
margin-left:0in;background:white;box-sizing: border-box'><span
style='font-size:14.0pt;font-family:"Arial","sans-serif";font-weight:normal'>Main
conclusions<o:p></o:p></span></h3>
<p style='mso-margin-top-alt:3.75pt;margin-right:0in;margin-bottom:12.0pt;
margin-left:0in;background:white;box-sizing: border-box'><span
style='font-size:10.5pt;font-family:"Arial","sans-serif"'>Neutral processes and
guild</span><span style='font-size:10.5pt;font-family:"Cambria Math","serif"'>$B!>(J</span><span
style='font-size:10.5pt;font-family:"Arial","sans-serif"'>specific dispersal
ability provide a general explanation for both within</span><span
style='font-size:10.5pt;font-family:"Cambria Math","serif"'>$B!>(J</span><span
style='font-size:10.5pt;font-family:"Arial","sans-serif"'> and across</span><span
style='font-size:10.5pt;font-family:"Cambria Math","serif"'>$B!>(J</span><span
style='font-size:10.5pt;font-family:"Arial","sans-serif"'>guild range size
variation. Our results support the theoretically expected, but empirically much
debated, hypothesis that high dispersal capacity promotes the establishment of
large range size.<o:p></o:p></span></p>
<p class=MsoNormal><o:p> </o:p></p>
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