<div dir="ltr"><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr"><br></div><div dir="ltr"><div dir="ltr"><div><div style="text-align:center;font-size:large"><img id="m_-5689681188274778310m_-7200391085919018703m_-5047707427413644582m_-8375385681880951609m_5843187627793020561m_5274188528614293082m_2741273669348786932m_3993176606945539336m_-4708298016395195342m_2288324105182093424m_8975935153603287283m_6219745822970299184m_-1908315915822800256m_6723104065387244928m_-2180645753460696509m_-4557642767137923706m_630005686540822385m_3985885937258083959x_x_x_image_0" size="24214" src="cid:ii_1951eff724dcb971f161" width="546" height="123" style="font-family:arial,sans-serif;font-size:xx-large;color:rgb(0,0,0);text-align:center;outline:0px;min-width:auto;margin:0px"></div><div><blockquote style="color:rgb(0,0,0)"><div style="direction:ltr;text-align:center;line-height:17.12px;margin:0px 0px 8pt"><b><font face="arial, sans-serif" size="6">**This <span>seminar</span> will be an in-person <span>seminar</span> <span class="gmail_default" style="font-size:large"></span>in the Genomics</font></b></div><div style="direction:ltr;text-align:center;line-height:17.12px;margin:0px 0px 8pt"><b><font face="arial, sans-serif" size="6"> Auditorium**</font></b></div><div style="direction:ltr;text-align:center;line-height:17.12px;margin:0px 0px 8pt"><b><font face="arial, sans-serif" size="6"><br></font></b></div><div style="direction:ltr;text-align:center;line-height:normal;margin:0px"><b><font face="arial, sans-serif" size="4">**Please note that the <span>seminar</span> series wil<span class="gmail_default">l start at</span> 3:30 pm**</font></b></div><div style="direction:ltr;text-align:center;line-height:normal;margin:0px"><b><font face="arial, sans-serif" size="4"><br></font></b></div><div style="direction:ltr;text-align:center;line-height:normal;margin:0px"><b><i><font face="arial, sans-serif" size="4">Please join us for the <span>BPSC</span> <span>250</span> Series <span class="gmail_default" style="font-size:large">Spring </span>2025</font></i></b></div><div style="direction:ltr;text-align:center;line-height:normal;margin:0px"><div></div><br></div><div style="direction:ltr;text-align:center;line-height:normal;margin:0px;font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Calibri,Helvetica,sans-serif;font-size:24pt"><b><span style="font-family:arial,sans-serif;font-size:xx-large;color:rgb(31,31,31)"><span class="gmail_default" style="font-size:large"></span><br></span></b></div><div style="text-align:center"><font size="6" face="arial, sans-serif"><b><span class="gmail_default" style="font-size:large"></span>Dr. Exequiel Ezcurra</b></font></div><div style="text-align:center"><span style="font-size:large;text-align:start">University of California, Riverside </span><span style="font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Calibri,Helvetica,sans-serif;font-size:large"><span class="gmail_default"> </span></span><b> </b></div><div style="text-align:center"><img src="cid:ii_m8p2h8mj0" alt="image.png" width="421" height="562"></div><div style="text-align:center;direction:ltr;line-height:normal;margin:0px;font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Calibri,Helvetica,sans-serif;font-size:24pt"><b style="font-family:Arial,Helvetica,sans-serif;font-size:small"><span class="gmail_default" style="font-size:large">        </span></b></div><div style="direction:ltr;text-align:center;line-height:1.6;margin:0px 0px 0.25px"><font face="arial, sans-serif" size="6"><u><b><br></b></u></font></div><div style="direction:ltr;text-align:center;line-height:1.6;margin:0px"><span style="line-height:1.2"><b><font face="arial, sans-serif" size="6"><u><span class="gmail_default"></span></u></font></b></span></div></blockquote><div style="color:rgb(0,0,0);direction:ltr;text-align:center;margin:0px"><font face="arial, sans-serif" size="6"><u><b><span style="line-height:1.2"><span class="gmail_default"></span></span>"<span class="gmail_default"></span>Plant responses to anomalous heat and drought events in the Sonoran Desert"</b></u></font></div><div style="color:rgb(0,0,0);direction:ltr;text-align:center;margin:0px"><font face="arial, sans-serif" size="6"><u><b><br></b></u></font></div></div></div><blockquote style="margin:0 0 0 40px;border:none;padding:0px"><div><div style="text-align:left;color:rgb(0,0,0)"><p class="MsoNormal" style="text-align:justify;line-height:150%;margin:0in 0in 8pt;font-size:12pt;font-family:Aptos,sans-serif"><b><span style="font-size:10pt;line-height:150%">Abstract</span></b><b><span style="font-size:10pt;line-height:150%;font-family:Arial,sans-serif"></span></b><b><span style="font-size:10pt;line-height:150%">: </span></b><span style="font-size:10pt;line-height:150%">A shift to further aridification in
dry regions of the world is ongoing and rapidly increasing in intensity,
including in the biodiverse Sonoran Desert of the southwest United States and
northern Mexico. In</span><span style="font-size:10pt;line-height:150%;font-family:Arial,sans-serif"></span><span style="font-size:10pt;line-height:150%"> addition to experiencing over two-decades of drought,
the</span><span style="font-size:10pt;line-height:150%;font-family:Arial,sans-serif"></span><span style="font-size:10pt;line-height:150%"> Sonoran Desert is facing
anomalous heat</span><span style="font-size:10pt;line-height:150%;font-family:Arial,sans-serif"></span><span style="font-size:10pt;line-height:150%"> events
that are increasing in frequency, clearly manifested in a record hot and dry
period in 2020</span><span style="font-size:10pt;line-height:150%;font-family:Arial,sans-serif"></span><span style="font-size:10pt;line-height:150%"> through
2021. This talk evaluates the impacts of the 2020-2021 mega-drought at three
scales: (1) at a</span><span style="font-size:10pt;line-height:150%;font-family:Arial,sans-serif"></span><span style="font-size:10pt;line-height:150%"> biome level across the</span><span style="font-size:10pt;line-height:150%;font-family:Arial,sans-serif"></span><span style="font-size:10pt;line-height:150%"> entirety of the Sonoran Desert
based on meteorological stations and a satellite-derived vegetation health
index, (2) quantified assessments of stress on columnar cacti and
succulent-stem trees, and (3) mechanistic responses of individual plants to
extreme heat and</span><span style="font-size:10pt;line-height:150%;font-family:Arial,sans-serif"></span><span style="font-size:10pt;line-height:150%"> drought, and</span><span style="font-size:10pt;line-height:150%;font-family:Arial,sans-serif"></span><span style="font-size:10pt;line-height:150%"> secondary biotic stressors from
insect attacks. Field-based assessments of columnar cacti in the</span><span style="font-size:10pt;line-height:150%;font-family:Arial,sans-serif"></span><span style="font-size:10pt;line-height:150%"> northern and southern portion
of the Sonoran Desert show acute plant stress, including epidermal</span><span style="font-size:10pt;line-height:150%;font-family:Arial,sans-serif"></span><span style="font-size:10pt;line-height:150%"> decay (rapid onset of
discolored photosynthetic epidermis that</span><span style="font-size:10pt;line-height:150%;font-family:Arial,sans-serif"></span><span style="font-size:10pt;line-height:150%"> leads to permanent
photosynthetic</span><span style="font-size:10pt;line-height:150%;font-family:Arial,sans-serif"></span><span style="font-size:10pt;line-height:150%"> dysfunction
and increased mortality). A more than three-fold increase in mortality of giant
cacti across</span><span style="font-size:10pt;line-height:150%;font-family:Arial,sans-serif"></span><span style="font-size:10pt;line-height:150%"> the
region relative to background levels occurred after the megadrought. These
landscape-wide impacts</span><span style="font-size:10pt;line-height:150%;font-family:Arial,sans-serif"></span><span style="font-size:10pt;line-height:150%"> could reshape populations of these iconic desert
species and the communities that depend on them.</span></p></div></div></blockquote><div><div><div style="text-align:left;color:rgb(0,0,0);direction:ltr;margin:1em 0px"><b><br></b></div><div><div style="color:rgb(0,0,0);font-size:large"></div><div style="text-align:center"><span style="color:rgb(0,0,0)"><br></span></div></div><div style="color:rgb(0,0,0);direction:ltr;text-align:center;margin:0px;font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Calibri,Helvetica,sans-serif"><font size="4"><b><span class="gmail_default"></span></b><b><span class="gmail_default"></span><span class="gmail_default"></span><span class="gmail_default"></span>Wednesday, <span class="gmail_default">April 2nd </span></b><b>,2025</b><b><br></b></font></div><div style="color:rgb(0,0,0)"><div style="direction:ltr;text-align:center;margin:0px;font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Calibri,Helvetica,sans-serif"><b><font size="4">3:30 p.m. – 4:30 p.m.</font></b></div><blockquote><div><div></div><font color="#888888" size="4"><div style="text-align:center"><b style="font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Calibri,Helvetica,sans-serif;color:rgb(0,0,0)">**BPSC social will start after the seminar at 4:30 in the Genomics lobby**</b></div></font></div></blockquote></div></div><br><br clear="all"></div><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><p style="margin-top:0px;margin-bottom:0px;color:rgb(36,36,36);font-family:"Segoe UI","Segoe UI Web (West European)",-apple-system,BlinkMacSystemFont,Roboto,"Helvetica Neue",sans-serif;font-size:15px"><span style="border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:11pt;line-height:inherit;font-family:Aptos,sans-serif;font-size-adjust:inherit;margin:0px;padding:0px;vertical-align:baseline;color:black!important">Best,</span></p><p style="margin:0px;color:rgb(36,36,36);font-family:"Segoe UI","Segoe UI Web (West European)",-apple-system,BlinkMacSystemFont,Roboto,"Helvetica Neue",sans-serif;font-size:15px;direction:ltr"><span style="border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:11pt;line-height:inherit;font-family:Aptos,sans-serif;font-size-adjust:inherit;margin:0px;padding:0px;vertical-align:baseline;color:black!important">Caroline</span></p><p style="margin:0px;color:rgb(36,36,36);font-family:"Segoe UI","Segoe UI Web (West European)",-apple-system,BlinkMacSystemFont,Roboto,"Helvetica Neue",sans-serif;font-size:15px;direction:ltr"><span style="border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:12pt;line-height:inherit;font-family:"Aptos Display",sans-serif;font-size-adjust:inherit;margin:0px;padding:0px;vertical-align:baseline;color:black!important"></span></p><p style="margin:0px;color:rgb(36,36,36);font-family:"Segoe UI","Segoe UI Web (West European)",-apple-system,BlinkMacSystemFont,Roboto,"Helvetica Neue",sans-serif;font-size:15px;direction:ltr"><span style="border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:12pt;line-height:inherit;font-family:"Aptos Display",sans-serif;font-size-adjust:inherit;margin:0px;padding:0px;vertical-align:baseline;color:black!important"><b>Caroline Benitez</b></span><span style="border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:12pt;line-height:inherit;font-family:"Aptos Display",sans-serif;font-size-adjust:inherit;margin:0px;padding:0px;vertical-align:baseline;color:rgb(68,84,106)!important"><b>|</b> </span><span style="border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:12pt;line-height:inherit;font-family:"Aptos Display",sans-serif;font-size-adjust:inherit;margin:0px;padding:0px;vertical-align:baseline;color:black!important">Department Chair Assistant</span></p><p style="margin:0px;color:rgb(36,36,36);font-family:"Segoe UI","Segoe UI Web (West European)",-apple-system,BlinkMacSystemFont,Roboto,"Helvetica Neue",sans-serif;font-size:15px;direction:ltr"><span style="border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:12pt;line-height:inherit;font-family:"Aptos Display",sans-serif;font-size-adjust:inherit;margin:0px;padding:0px;vertical-align:baseline;color:black!important">UC Riverside, Botany and Plant Sciences </span></p><p style="margin:0px;color:rgb(36,36,36);font-family:"Segoe UI","Segoe UI Web (West European)",-apple-system,BlinkMacSystemFont,Roboto,"Helvetica Neue",sans-serif;font-size:15px;direction:ltr"><span style="border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:12pt;line-height:inherit;font-family:"Aptos Display",sans-serif;font-size-adjust:inherit;margin:0px;padding:0px;vertical-align:baseline;color:black!important">2118 Batchelor Hall </span><span style="border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:12pt;line-height:inherit;font-family:"Aptos Display",sans-serif;font-size-adjust:inherit;margin:0px;padding:0px;vertical-align:baseline;color:rgb(68,84,106)!important"><b>|</b> </span><span style="border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:12pt;line-height:inherit;font-family:"Aptos Display",sans-serif;font-size-adjust:inherit;margin:0px;padding:0px;vertical-align:baseline;color:black!important">Riverside CA 92521</span></p><p style="margin:0px;color:rgb(36,36,36);font-family:"Segoe UI","Segoe UI Web (West European)",-apple-system,BlinkMacSystemFont,Roboto,"Helvetica Neue",sans-serif;font-size:15px;direction:ltr"><span style="border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:12pt;line-height:inherit;font-family:"Aptos Display",sans-serif;font-size-adjust:inherit;margin:0px;padding:0px;vertical-align:baseline;color:black!important">Phone:951.827.4619</span></p><p style="margin:0px;color:rgb(36,36,36);font-family:"Segoe UI","Segoe UI Web (West European)",-apple-system,BlinkMacSystemFont,Roboto,"Helvetica Neue",sans-serif;font-size:15px;direction:ltr"><span style="border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:12pt;line-height:inherit;font-family:"Aptos Display",sans-serif;font-size-adjust:inherit;margin:0px;padding:0px;vertical-align:baseline;color:black!important">E-mail: </span><span style="border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:12pt;line-height:inherit;font-family:"Aptos Display",sans-serif;font-size-adjust:inherit;margin:0px;padding:0px;vertical-align:baseline;color:rgb(5,99,193)!important"><a href="mailto:caroline.benitez@ucr.edu" title="mailto:caroline.benitez@ucr.edu" style="border:0px;font:inherit;margin:0px;padding:0px;vertical-align:baseline;color:rgb(5,99,193)!important" target="_blank">caroline.benitez@ucr.edu</a></span><span style="border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:12pt;line-height:inherit;font-family:"Aptos Display",sans-serif;font-size-adjust:inherit;margin:0px;padding:0px;vertical-align:baseline;color:black!important"> </span></p></div></div></div></div>
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<a href="mailto:Bpsfaculty@lists.ucr.edu" target="_blank">Bpsfaculty@lists.ucr.edu</a><br>
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</div><div><br clear="all"></div><div><br></div><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><span style="font-size:x-small">G. Darrel Jenerette</span><br></div><div><font size="1">Director, Center for Conservation Biology</font></div><div><font size="1">Professor, Department of Botany and Plant Sciences</font></div><div><font size="1">University of California Riverside<br></font></div></div></div></div></div></div></div></div>