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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"><head>
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<meta name="description" content="Your description goes here" />
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<meta name="author" content="Your Name" />
<link rel="stylesheet" type="text/css" href="variant-duo.css" title="Variant Duo" media="screen,projection" />
<title>Eva C. Wikberg</title>
</head><body>
<div id="wrap">
<h1><a href="index.html">Eva C. Wikberg</a></h1>
<p class="slogan">Associate Professor<br />
Department of Anthropology<br />
University of Texas at San Antonio</p>
<div id="menu">
<p class="menulinks"> <strong class="hide">Main
menu:</strong>
<a class="menulink active" href="index.html">Home</a>
<a class="menulink" href="Research.html">Research
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<img style="font-weight: bold;" class="feature" src="ResearchCapuchin.jpg" alt="sample image" />
<div id="content">
<div class="left">
<h2>Santa Rosa National Park</h2>
<img style="width: 459px; height: 244px;" alt="Research Project New World monkeys" src="20100312_0142.jpg" />
<p>For my postdoctoral research, I used non-invasively
collected
DNA samples to investigate dispersal patterns, genetic structure, and
male reproductive success
of the primates at <a href="http://www.acguanacaste.ac.cr/turismo/sector-santa-rosa">
Sector Santa Rosa</a>, <a href="http://www.acguanacaste.ac.cr/">Área
de Conservación
Guanacaste (ACG)</a>, Costa Rica. This is part of an on-going
collaboration between <a href="http://www.jinrui.ib.k.u-tokyo.ac.jp/kawamura-home-E.html">Shoji Kawamura</a> at the University of Tokyo, <a href="http://people.ucalgary.ca/%7Efedigan/fedigan.htm">Linda Fedigan</a>
at the University of Calgary, and <a href="http://www.tulane.edu/%7Ekjack/">
Katharine Jack</a> at Tulane University
.
</p>
<p> </p>
</div>
<div class="right">
<h2>Inferring genetic structure from sex-biased dispersal</h2>
<img style="width: 459px; height: 244px;" alt="Research Project New World monkeys" src="Capuchin.jpg" />
<p><a href="http://www.acguanacaste.ac.cr/turismo/sector-santa-rosa">Santa
Rosa National Park
</a>is a particularly interesting
study site to investigate primate dispersal because there are three
primate
species (black-handed spider monkeys, mantled howler monkeys, and
white-faced capuchins) with different types of dispersal
patterns. My collaborators and I are using nuclear, mitochondrial, and
Y-chromosomal
DNA to examine if differences in local genetic structure can be
predicted from observed differences in dispersal.
</p>
<p> </p>
</div>
<div class="left">
<h2>Parallel dispersal and reproductive
success</h2>
<img style="width: 459px; height: 244px;" alt="Research Project New World monkeys" src="CapuchinRS.jpg" />
<p>Despite male dispersal and high male reproductive skew, males show a
remarkable degree of cooperation and alpha males benefit from the
presence of subordinate males. I discovered that parallel dispersal
offers an opportunity for males to co-reside and maintain long-lasting
bonds with male kin <a href="Wikberg%20et%20al%202014%20The%20effect%20of%20male%20parallel%20dispersal.pdf">(Wikberg
et al. 2014)</a>. Although male reproductive skew is high, alpha males
with long tenures avoid breeding with their mature daughters, which
gives some subordinate males opportunities to reproduce
<a href="Wikberg%20et%20al%202016%20Inbreeding%20avoidance.pdf">(Wikberg
et al. 2016)</a>. Other cooperating subordinate males gain the alpha
position after the previous alpha male dies or disperses.
Future direct fitness benefits from reproductive
queuing and inclusive fitness benefits may explain the occurrence of
male cooperation despite high reproductive skew.
</p>
<p> </p>
</div>
<div class="right">
<h2>Lanscape genetics of ACG's primate community</h2>
<img style="width: 459px; height: 244px;" alt="Research Project New World monkeys" src="ACG.jpg" />
<p>I have recently
initated a landscape genetics project in the <a href="http://www.acguanacaste.ac.cr/">ACG</a>
in collaboration with <a href="http://people.duke.edu/~fac13/">Fernando
Campos</a> at Duke University. We have collected
non-invasive DNA samples from white-faced capuchins, mantled howlers,
and black-handed spider monkeys residing in six sectors of the ACG. We
are currently doing the laboratory analysis required to investigate how
landscape features and environmental factors affect gene flow and
population structure. In the future, we will examine
local adaptation to different habitat types using a population genomics approach.
</p>
<p> </p>
</div>
<hr class="clear" />
<div class="centered">
<h2>Affiliation and funding</h2>
<img style="" project="" new="" world="" monkeys="" src="CapuchinLogos.jpg" />
</div>
<hr class="clear" />
<p class="centered"><a href="http://www.utsa.edu/">University of
Texas at San Antonio</a>
</p>
</div>
<p class="footer">Copyright © 2012 <a href="index.html">Eva
C. Wikberg</a>
<br />
Template design by <a href="http://andreasviklund.com/">Andreas
Viklund</a>
<br />
</p>
</div>
</body></html>