<div dir="ltr"><div class="gmail_quote gmail_quote_container"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div><div style="font-family:tahoma,sans-serif"><br></div><div><div style="font-family:tahoma,sans-serif"><table cellspacing="0" cellpadding="0" width="100%" bgcolor="#474444" style="font-family:Arial,Helvetica,sans-serif"><tbody><tr><td valign="top"><br> <table cellspacing="0" cellpadding="0" width="600" align="center" border="0" style="width:600px;margin:0px auto"><tbody><tr><th style="border-width:medium;border-style:none;border-color:initial;width:600px;font-weight:normal;padding:0px;text-align:left;background-color:rgb(254,251,251)"><table cellspacing="0" cellpadding="0" align="left" style="width:600px"><tbody><tr height="44" style="height:44px"><th style="border-width:medium;border-style:none;border-color:initial;width:477px;vertical-align:middle;font-weight:normal;padding:10px 0px 0px 10px;text-align:left;background-color:rgb(66,176,91)"><p align="left" style="margin-bottom:1em;font-size:14px;font-family:tahoma,geneva,sans-serif;color:rgb(253,251,251);margin-top:0px;line-height:18px;background-color:transparent"><strong> <span>Seminario</span> <span>IFEVA</span></strong></p></th><th style="border-width:medium;border-style:none;border-color:initial;width:103px;vertical-align:middle;font-weight:normal;padding:0px 5px;text-align:left;background-color:transparent"><div style="padding:10px;text-align:right"><table cellspacing="0" cellpadding="0" border="0" style="display:inline-block"><tbody><tr><td style="padding-right:5px"><a href="https://twitter.com/ifevaok?ref_src=twsrc%5Etfw%7Ctwcamp%5Eembeddedtimeline%7Ctwterm%5Eprofile%3Aifevaok&ref_url=http%3A%2F%2Fwww.ifeva.edu.ar%2Findex.tw.html" rel="noreferrer noreferrer" target="_blank"><img title="Twitter" alt="Twitter" src="https://mailchef.s3.amazonaws.com/uploads/mailstyler/images/478A2A14-0536-35C1-A7E4-6A014235947D_Image_1_9f1117f4-4654-4d62-878f-885c62b8fa59.png" width="24" 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style="border-width:medium;border-style:none;border-color:initial;width:580px;font-weight:normal;padding:0px 20px 0px 0px;text-align:left;background-color:rgb(254,251,251)"><table cellspacing="0" cellpadding="0" align="left" style="width:580px"><tbody><tr height="92" style="height:92px"><th style="border-width:medium;border-style:none;border-color:initial;width:580px;vertical-align:middle;font-weight:normal;padding:0px;text-align:left;background-color:transparent"><table cellspacing="0" cellpadding="0" align="center" border="0" style="margin:0px auto"><tbody><tr><td align="center" style="padding:0px"><table cellspacing="0" cellpadding="0" border="0"><tbody><tr><td style="border-width:medium;border-style:none;border-color:initial;background-color:transparent"><img alt="" src="https://mailchef.s3.amazonaws.com/uploads/mailstyler/images/152EFEE1-9961-67DB-42C9-BDFED3ECD20D_Image_4_2f0431fb-1968-435e-bed4-e7fa8fc21754.png" width="570" hspace="0" vspace="0" style="border-width:medium;border-style:none;border-color:initial;display:block"></td></tr></tbody></table></td></tr></tbody></table></th></tr></tbody></table></th></tr><tr><th style="border-width:medium;border-style:none;border-color:initial;width:600px;font-weight:normal;padding:0px;text-align:left;background-color:rgb(254,251,251)"><table cellspacing="0" cellpadding="0" align="left" style="width:600px"><tbody><tr height="76" style="height:76px"><th style="border-width:medium;border-style:none;border-color:initial;width:326px;vertical-align:middle;font-weight:normal;padding:10px 10px 0px 20px;text-align:left;background-color:rgb(243,54,62)"><p align="left" style="margin-bottom:1em;font-size:14px;font-family:tahoma,geneva,sans-serif;color:rgb(253,251,251);margin-top:0px;line-height:18px;background-color:transparent"><strong><span class="gmail_default" style="font-family:tahoma,sans-serif">MART</span>ES<br><span class="gmail_default" style="font-family:tahoma,sans-serif"></span><span class="gmail_default" style="font-family:tahoma,sans-serif">23</span> de SEPTIEMBRE de 2025<br>12:00 hs</strong></p></th><th style="border-width:medium;border-style:none;border-color:initial;width:244px;vertical-align:middle;font-weight:normal;padding:10px 0px 0px;text-align:left;background-color:rgb(108,108,108)"><p align="center" style="margin-bottom:1em;font-size:14px;font-family:tahoma,geneva,sans-serif;color:rgb(56,56,56);text-align:center;margin-top:0px;line-height:18px;background-color:transparent"><a title="" href="https://www.youtube.com/channel/UCCC_QmqL9yuKBnZ6p4mnxBw" rel="noreferrer noreferrer" style="color:rgb(253,251,251);text-decoration-line:none" target="_blank">Presencial: SUM <strong><span>IFEVA</span></strong></a></p></th></tr></tbody></table></th></tr><tr><th style="border-width:medium;border-style:none;border-color:initial;width:600px;font-weight:normal;padding:0px;text-align:left;background-color:rgb(254,251,251)"><table cellspacing="0" cellpadding="0" align="left" style="width:600px"><tbody><tr height="121" style="height:121px"><th style="border-width:medium;border-style:none;border-color:initial;width:600px;vertical-align:middle;font-weight:normal;padding:0px;text-align:left;background-color:transparent"><table cellspacing="0" cellpadding="0" align="center" border="0" style="margin:0px auto"><tbody><tr><td align="center" style="padding:0px"><table cellspacing="0" cellpadding="0" border="0"><tbody><tr><td style="border-width:medium;border-style:none;border-color:initial;background-color:transparent"><img alt="" src="https://mailchef.s3.amazonaws.com/uploads/mailstyler/images/A1D4E880-2191-4DD7-2282-E4EBD8D61287_Image_5_91564d99-8f65-4b8d-9d26-1320ac7ed277.jpg" width="600" hspace="0" vspace="0" style="border-width:medium;border-style:none;border-color:initial;display:block"></td></tr></tbody></table></td></tr></tbody></table></th></tr></tbody></table></th></tr><tr><th style="border-width:medium;border-style:none;border-color:initial;width:600px;font-weight:normal;padding:10px 0px 5px;text-align:left;background-color:rgb(253,251,251)"><table cellspacing="0" cellpadding="0" style="width:600px"><tbody><tr height="126" style="height:126px"><th style="border-width:medium;border-style:none;border-color:initial;width:54px;vertical-align:top;padding:10px 5px 5px;text-align:left;background-color:transparent"><span class="gmail_default" style="font-family:tahoma,sans-serif;font-weight:normal"></span><table cellspacing="0" cellpadding="0" border="0" style="margin:0px auto"><tbody><tr><td style="padding:0px;text-align:center"><table cellspacing="0" cellpadding="0" border="0"><tbody><tr><td style="border-width:medium;border-style:none;border-color:initial;background-color:transparent"><img alt="" src="https://mailchef.s3.amazonaws.com/uploads/mailstyler/images/5A4A5834-3F9A-6A31-826B-CB9282750DB7_Image_6_f652f2ce-f80b-4f92-bd91-eb57b875ac83.png" width="18" hspace="0" vspace="0" style="border-width:medium;border-style:none;border-color:initial;display:block"></td></tr></tbody></table></td></tr></tbody></table><span class="gmail_default" style="font-family:tahoma,sans-serif"></span></th><th style="border-width:medium;border-style:none;border-color:initial;width:526px;vertical-align:top;padding:5px;text-align:left;background-color:transparent"><div style="background-color:rgb(255,255,255)"><p style="margin-bottom:0.28cm;line-height:14.04px;direction:ltr;background:transparent"></p><p style="margin-bottom:0.28cm;line-height:14.95px;direction:ltr;background:transparent"><font size="6"><span class="gmail_default" style="font-family:tahoma,sans-serif"></span><span style="color:rgb(60,64,67);font-family:Roboto,sans-serif;letter-spacing:0.2px">Long-term research and an</span></font></p><p style="margin-bottom:0.28cm;line-height:14.95px;direction:ltr;background:transparent"><font size="6"><span style="color:rgb(60,64,67);font-family:Roboto,sans-serif;letter-spacing:0.2px"><span class="gmail_default" style="font-family:tahoma,sans-serif"></span> overview of the US LTER and </span></font></p><p style="margin-bottom:0.28cm;line-height:14.95px;direction:ltr;background:transparent"><font size="6"><span style="color:rgb(60,64,67);font-family:Roboto,sans-serif;letter-spacing:0.2px">Cedar </span></font><span style="color:rgb(60,64,67);font-family:Roboto,sans-serif;letter-spacing:0.2px;font-size:xx-large;background-color:transparent">Creek</span></p></div></th></tr></tbody></table></th></tr><tr><th style="border-width:medium;border-style:none;border-color:initial;width:600px;font-weight:normal;padding:5px 0px;text-align:left;background-color:rgb(254,251,251)"><table cellspacing="0" cellpadding="0" align="left" style="width:600px"><tbody><tr height="564" style="height:564px"><th style="border-width:medium;border-style:none;border-color:initial;width:570px;vertical-align:top;padding:10px 15px;text-align:left"><p style="margin-bottom:1em;margin-top:0px;line-height:20px"><font size="4" face="arial, sans-serif"><span style="color:rgb(66,176,91);background-color:transparent">Autores: </span></font><font size="4" style="font-weight:normal"><span style="background-color:rgb(255,255,255)">Eric W. </span><span style="background-color:rgb(255,255,255)">S</span><span style="background-color:rgb(255,255,255)">eabloom<span class="gmail_default" style="font-family:tahoma,sans-serif">*</span></span></font></p><p style="margin-bottom:1em;margin-top:0px;line-height:20px"><font style="background-color:transparent"><font style="background-color:transparent"><span style="font-size:large;color:rgb(66,176,91);font-family:Calibri,sans-serif">Filiación:</span><font color="#000000" face="tahoma, sans-serif" size="4" style="font-weight:normal"> <span class="gmail_default"></span></font></font></font><font size="4" style="font-weight:normal"><sup style="background-color:transparent"><span class="gmail_default" style="font-family:tahoma,sans-serif">(*)</span></sup></font><span class="gmail_default" style="font-weight:normal;font-family:tahoma,sans-serif"> </span><span style="font-weight:normal"><font size="4">Dept of Ecology, Evolution, and Behavior, University of Minnesota, USA </font></span></p><p style="margin-bottom:1em;margin-top:0px;line-height:20px"><font size="4" style="font-weight:normal"><sup style="background-color:transparent"><span class="gmail_default" style="font-family:tahoma,sans-serif">(*)</span></sup></font><span class="gmail_default" style="font-weight:normal;font-family:tahoma,sans-serif"> <font size="4"><i>Expositor</i></font></span></p><p style="margin-bottom:1em;margin-top:0px;line-height:20px"><font face="arial, sans-serif" size="4" style="background-color:transparent;font-weight:400;color:rgb(56,56,56)"><strong style="background-color:transparent;color:rgb(34,34,34)"><span style="color:rgb(66,176,91)">Resumen: </span></strong></font><span style="background-color:transparent;font-weight:normal"><font size="4"><span class="gmail_default" style="font-family:tahoma,sans-serif"></span></font></span><font size="4"><span style="font-weight:normal"><span class="gmail_default" style="font-family:tahoma,sans-serif"></span></span><span style="font-weight:normal">Human activities are impacting Earth’s climate and ecosystems via altered elemental cycles, disturbances, species extinctions, and the spread of invasive weeds, pests, and pathogens. The mechanisms underpinning ecosystem responses to these changes cannot be understood solely through the use of observations or short-term experiments, because lags and long-term organism-environment feedbacks can amplify, dampen, or even reverse the effects of environmental change across multi-decadal timescales. To address questions that cannot be resolved with short- term studies, the United States National Science Foundation (NSF) created the Long-Term Ecological Research Program (LTER) over four decades ago. I will share some examples of how feedbacks can change organism-environment feedbacks arising from long-term experiments at Cedar Creek LTER, one of the longest-running LTER sites. </span></font></p><p style="margin-bottom:1em;margin-top:0px;line-height:20px"><font face="arial, sans-serif" size="4" style="background-color:transparent;font-weight:400;color:rgb(56,56,56)"><strong style="background-color:transparent;color:rgb(34,34,34)"><span style="color:rgb(66,176,91)">Palabras claves: </span></strong></font><font size="4"><span style="font-weight:normal"><span class="gmail_default" style="font-family:tahoma,sans-serif"></span></span><span style="font-weight:normal">Ecology, Global Change, Ecosystem, Biodiversity </span></font></p><p style="margin-bottom:1em;margin-top:0px;line-height:20px"><span style="font-weight:normal"><font size="4"><br></font></span></p><div style="font-weight:400;background-color:rgb(255,255,255);font-family:tahoma,sans-serif"><p class="MsoNormal" style="margin:0cm 0cm 10pt;font-family:Calibri,sans-serif"><font size="4"><br></font></p></div></th></tr></tbody></table></th></tr><tr><th style="border-width:medium;border-style:none;border-color:initial;width:600px;font-weight:normal;padding:5px 0px;text-align:left;background-color:rgb(253,251,251)"><table cellspacing="0" cellpadding="0" align="left" style="width:600px"><tbody><tr height="163" style="height:163px"><th style="border-width:medium;border-style:none;border-color:initial;width:140px;vertical-align:top;padding:5px;text-align:left;background-color:transparent"><span class="gmail_default" style="font-family:tahoma,sans-serif"></span><span class="gmail_default" style="font-family:tahoma,sans-serif"></span><img src="cid:ii_mfl4v6d10" alt="image.png" width="135" height="138" style="margin-right:0px"><br><br><br></th><th style="border-width:medium;border-style:none;border-color:initial;width:440px;vertical-align:top;padding:5px;text-align:left"><div style="background-color:rgb(255,255,255);font-family:tahoma,sans-serif"><span style="font-family:Arial,sans-serif;text-align:justify"><span class="gmail_default" style="font-family:tahoma,sans-serif">Eric W. Seabloom</span>, </span><span style="background-color:transparent;font-weight:normal;font-family:Arial,Helvetica,sans-serif">es </span><span style="background-color:rgb(253,251,251);font-weight:normal;font-family:Arial,Helvetica,sans-serif">Distinguished McKnight Professor en la University of Minnesota. E<span class="gmail_default" style="font-family:tahoma,sans-serif">s e</span>xperto en ecología de comunidades y de ecosistemas,<span class="gmail_default" style="font-family:tahoma,sans-serif"> y</span> su investigación se centra en la dinámica a largo plazo de los pastizales y los efectos de la fertilización, <span class="gmail_default" style="font-family:tahoma,sans-serif">las </span>especies invasoras, <span class="gmail_default" style="font-family:tahoma,sans-serif">los </span>patógenos vegetales y <span class="gmail_default" style="font-family:tahoma,sans-serif">la </span>herbivoría. Es investigador principal en <span class="gmail_default" style="font-family:tahoma,sans-serif">el</span> Cedar Creek LTER y coordinador de los experimentos globales NutNet y DRAGNet. Ha publicado más de 250 artículos científicos, incluyendo trabajos en Science, Nature y PNAS.</span></div><p style="margin-bottom:0.21cm;line-height:19.5px;direction:ltr"></p><p style="margin-bottom:0.21cm;line-height:19.5px;direction:ltr"></p></th></tr></tbody></table></th></tr><tr><th style="border-width:medium;border-style:none;border-color:initial;width:600px;font-weight:normal;padding:0px;text-align:left;background-color:rgb(229,229,229)"><table cellspacing="0" cellpadding="0" align="left" style="width:600px"><tbody><tr height="93" style="height:93px"><th style="border-width:medium;border-style:none;border-color:initial;width:570px;vertical-align:middle;padding:10px 10px 0px 20px;text-align:left;background-color:transparent"><span style="font-weight:normal">Certificados: </span><span style="background-color:transparent"><span style="font-weight:normal">los alumnos que necesiten certificar su asistencia, deberán enviar </span></span><span style="font-weight:normal;background-color:transparent;color:rgb(56,56,56);font-family:verdana,arial,helvetica,sans-serif">su nombre y DNI</span><span class="gmail_default" style="font-weight:normal;background-color:transparent;color:rgb(56,56,56);font-family:tahoma,sans-serif"> </span><span class="gmail_default" style="background-color:transparent;color:rgb(56,56,56);font-family:tahoma,sans-serif"><span style="font-weight:normal">al moderador (</span><a href="mailto:mtexeira@agro.uba.ar" rel="noreferrer noreferrer" style="font-weight:normal" target="_blank">mtexeira@agro.uba.ar</a><span style="font-weight:normal">) </span>durante el transcurso del <span>seminario</span> o dentro de la hora posterior a la finalización del mismo</span><span style="font-weight:normal;background-color:transparent;color:rgb(56,56,56);font-family:verdana,arial,helvetica,sans-serif">. </span><br></th></tr></tbody></table></th></tr><tr><th style="border-width:medium;border-style:none;border-color:initial;width:600px;font-weight:normal;padding:0px;text-align:left;background-color:rgb(66,176,91)"><table cellspacing="0" cellpadding="0" align="left" style="width:600px"><tbody><tr height="62" style="height:62px"><th style="border-width:medium;border-style:none;border-color:initial;width:560px;vertical-align:top;font-weight:normal;padding:25px 20px 10px;text-align:left;background-color:transparent"><p align="center" style="margin-bottom:1em;font-size:12px;font-family:tahoma,geneva,sans-serif;color:rgb(9,9,9);text-align:center;margin-top:0px;line-height:15px;background-color:transparent"><strong><span style="color:rgb(255,255,255)">Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura</span></strong></p></th></tr></tbody></table></th></tr><tr><th style="border-width:medium;border-style:none;border-color:initial;width:600px;font-weight:normal;padding:1px 0px;text-align:left;background-color:transparent"><table cellspacing="0" cellpadding="0" align="left" style="width:600px"><tbody><tr height="66" style="height:66px"><th style="border-width:medium;border-style:none;border-color:initial;width:590px;vertical-align:middle;font-weight:normal;padding:5px;text-align:left;background-color:transparent"><p align="center" style="margin-bottom:1em;font-size:12px;font-family:tahoma,geneva,sans-serif;color:rgb(253,251,251);text-align:center;margin-top:0px;line-height:15px;background-color:transparent"><br><span>IFEVA</span> - Facultad de Agronomía - Universidad de Buenos Aires<br> Av. San Martín 4453 - C1417DSE - Buenos Aires - Argentina</p></th></tr></tbody></table></th></tr></tbody></table></td></tr><tr><td style="font-size:0px;height:8px;line-height:0"> </td></tr></tbody></table></div></div></div><span class="gmail_signature_prefix"><div dir="ltr"><span class="gmail_signature_prefix"><br></span></div><div dir="ltr"><span class="gmail_signature_prefix"><br></span></div><div dir="ltr"><span class="gmail_signature_prefix"><br></span></div><div dir="ltr"><span class="gmail_signature_prefix"><br></span></div><div dir="ltr"><span class="gmail_signature_prefix"><br></span></div>-- </span><br><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div>Marcos Texeira<br>Departamento de Métodos Cuantitativos y Sistemas de Información // <br>LART - IFEVA - CONICET<br>(011) 52870829</div><div>Facultad de Agronomía<br>Universidad de Buenos Aires</div><div><span>Av. San Martín 4453 (C1417DSE)<br></span></div></div></div></div>
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