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<div><span style="font-size: 14pt; font-family: Calibri, sans-serif;">Howdy OCEESers!</span><br>
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<div style="margin: 0in; font-size: 11pt; font-family: Calibri, sans-serif;"><span style="font-size: 14pt;">Please join us for this week’s PBIO Colloquium. Dr. Dylan Cohen will present his work<o:p></o:p></span></div>
<div style="margin: 0in; font-size: 11pt; font-family: Calibri, sans-serif;"><span style="font-size: 14pt;">on gene flow and genetic diversity in fragmented landscapes of the the American West.<o:p></o:p></span></div>
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<b><i><span style="font-size: 16pt;">Environmental and Plant Biology Colloquium Series, Fall 2023<o:p></o:p></span></i></b></div>
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<div style="margin: 0in; font-size: 11pt; font-family: Calibri, sans-serif;"><b><span style="font-size: 24pt;">Conservation genetics, systematics, and patterns<o:p></o:p></span></b></div>
<div style="margin: 0in; font-size: 11pt; font-family: Calibri, sans-serif;"><b><span style="font-size: 24pt;">of migration in the genus<span class="Apple-converted-space"> </span><i>Amsonia</i><span class="Apple-converted-space"> </span>(Apocynaceae)</span></b><b><span style="font-size: 24pt;"><o:p></o:p></span></b></div>
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<b><span style="font-size: 16pt; line-height: 24.533335px;">Dylan Cohen</span></b><span style="font-size: 16pt; line-height: 24.533335px;"> Chicago Botanical Garden, Glencoe, Illinois<o:p></o:p></span></div>
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<span style="font-size: 16pt; line-height: 24.533335px;">Friday, December 1st </span><span style="font-size: 16pt; line-height: 24.533335px;">at 11:50 AM <span class="Apple-converted-space"> </span></span><span style="font-size: 16pt; line-height: 24.533335px;">Room
104, Porter Hall<o:p></o:p></span></div>
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<div style="margin: 0in; font-size: 11pt; font-family: Calibri, sans-serif;"><span style="font-size: 14pt;">Species consist of a finite number of ephemeral and interconnected populations that<o:p></o:p></span></div>
<div style="margin: 0in; font-size: 11pt; font-family: Calibri, sans-serif;"><span style="font-size: 14pt;">vary across space and time. Landuse change and habitat fragmentation can disrupt<o:p></o:p></span></div>
<div style="margin: 0in; font-size: 11pt; font-family: Calibri, sans-serif;"><span style="font-size: 14pt;">gene flow and create small, isolated populations that may become a conservation<o:p></o:p></span></div>
<div style="margin: 0in; font-size: 11pt; font-family: Calibri, sans-serif;"><span style="font-size: 14pt;">concern due to inbreeding and low genetic diversity.<span class="Apple-converted-space"> </span><i>Amsonia</i><span class="Apple-converted-space"> </span>(Apocynaceae)
are<span class="Apple-converted-space"> </span><o:p></o:p></span></div>
<div style="margin: 0in; font-size: 11pt; font-family: Calibri, sans-serif;"><span style="font-size: 14pt;">perennial, shrubs with salverform corollas that attract moths, bees, and other<o:p></o:p></span></div>
<div style="margin: 0in; font-size: 11pt; font-family: Calibri, sans-serif;"><span style="font-size: 14pt;">pollinators.<span class="Apple-converted-space"> </span><i>Amsonia tharpii</i><span class="Apple-converted-space"> </span>is only known from five populations
in a region with an<o:p></o:p></span></div>
<div style="margin: 0in; font-size: 11pt; font-family: Calibri, sans-serif;"><span style="font-size: 14pt;">intense landuse history. I will present patterns of migration at the population level<o:p></o:p></span></div>
<div style="margin: 0in; font-size: 11pt; font-family: Calibri, sans-serif;"><span style="font-size: 14pt;">by comparing the genetic diversity and population connectivity of two narrowly<o:p></o:p></span></div>
<div style="margin: 0in; font-size: 11pt; font-family: Calibri, sans-serif;"><span style="font-size: 14pt;">endemic<span class="Apple-converted-space"> </span><i>Amsonia</i><span class="Apple-converted-space"> </span>species to a broadly distributed species
to address if landuse<o:p></o:p></span></div>
<div style="margin: 0in; font-size: 11pt; font-family: Calibri, sans-serif;"><span style="font-size: 14pt;">changes are impacting the genetic health of<span class="Apple-converted-space"> </span><i>A. tharpii</i>. I will present preliminary<span class="Apple-converted-space"> </span><o:p></o:p></span></div>
<div style="margin: 0in; font-size: 11pt; font-family: Calibri, sans-serif;"><span style="font-size: 14pt;">phylogenetic results for the genus and discuss evolutionary relationships considering<o:p></o:p></span></div>
<div style="margin: 0in; font-size: 11pt; font-family: Calibri, sans-serif;"><span style="font-size: 14pt;">broad patterns of migration and divergence.</span></div>
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