<div dir="ltr"><div class="gmail_quote gmail_quote_container"><div dir="ltr"><div><div style="font-family:tahoma,sans-serif"><br></div><div><table cellspacing="0" cellpadding="0" width="100%" bgcolor="#474444"><tbody><tr><td style="font-size:0px;height:33px;line-height:0"></td></tr><tr><td valign="top"> <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>VIERNES<br><span class="gmail_default" style="font-family:tahoma,sans-serif"></span><span class="gmail_default" style="font-family:tahoma,sans-serif">5</span> de <span class="gmail_default" style="font-family:tahoma,sans-serif"></span><span class="gmail_default" style="font-family:tahoma,sans-serif">DIC</span>IEMBRE 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;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"></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></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">¿Cómo funcionan los viejos </font></p><p style="margin-bottom:0.28cm;line-height:14.95px;direction:ltr;background:transparent"><font size="6">filtros </font><span style="font-size:xx-large;background-color:transparent">en nuevos ecosistemas?</span></p><p style="margin-bottom:0.28cm;line-height:14.95px;direction:ltr;background:transparent"><font size="6">Un análisis basado en la invasión</font></p><p style="margin-bottom:0.28cm;line-height:14.95px;direction:ltr;background:transparent"><span style="font-size:xx-large;background-color:transparent">de Acacia negra en Entre Ríos.</span></p></div></th></tr></tbody></table></th></tr><tr><th style="border-width:medium;border-style:none;border-color:initial;width:600px;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><span style="background-color:transparent;font-weight:normal"><span class="gmail_default" style="font-size:12pt;font-family:tahoma,sans-serif"></span><font size="4"><span class="gmail_default" style="font-family:tahoma,sans-serif"></span>L<span class="gmail_default" style="font-family:tahoma,sans-serif">uis Perez</span></font></span><font size="4"><font style="font-weight:normal"><sup style="background-color:transparent">1<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="background-color:transparent;font-weight:normal"><span class="gmail_default" style="font-family:tahoma,sans-serif"></span>M<span class="gmail_default" style="font-family:tahoma,sans-serif">elina Aranda</span></span><font style="font-weight:normal"><sup style="background-color:transparent">2<span class="gmail_default" style="font-family:tahoma,sans-serif"></span></sup></font><span style="font-weight:normal"><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">(1)</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">Cátedra de Ecología </font></span><span style="color:rgb(56,56,56);font-family:"Trebuchet MS",sans-serif;font-weight:400;background-color:rgb(255,255,255)"><font size="4">IFEVA (FAUBA – CONICET)</font> </span></p><p style="margin-bottom:1em;margin-top:0px;line-height:20px"><font style="background-color:transparent"><font style="background-color:transparent"><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">(2)</span></sup></font><font size="4"><span class="gmail_default" style="font-weight:normal;font-family:tahoma,sans-serif"> </span></font><span style="font-weight:normal"><font size="4">Cátedra de Dasonomía (FAUBA)</font></span></p><p style="margin-bottom:1em;margin-top:0px;line-height:20px"><font style="font-size:large;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-size:large;font-weight:normal;font-family:tahoma,sans-serif"> <i>Expositor</i></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><font size="4"><span style="font-weight:normal">En los cursos de la cátedra de Ecología usamos la teoría de filtros para comprender el ensamblaje de comunidades. En este seminario los utilizaré para entender la expansión de Gleditsia triacanthos (acacia negra) en Entre Ríos. Analizaremos cómo los filtros abióticos y bióticos operan sobre las distintas etapas del ciclo de vida del árbol y cómo condicionan la permeabilidad del paisaje entrerriano a su invasión.<span class="gmail_default" style="font-family:tahoma,sans-serif"> </span></span><span style="font-weight:normal">Veremos que las comunidades pueden ser muy resistentes en las etapas tempranas: las semillas son removidas y la competencia, junto con la baja disponibilidad de luz y recursos, limita la supervivencia de las plántulas. Sin embargo, esa resistencia cambia cuando G. triacanthos interactúa con otras especies invasoras: la dispersión por ciervo axis y jabalí incrementa la presión de propágulos, distribuye semillas en nuevos micrositios lejos de los árboles que las produjeron y contribuye la formación de bancos de semillas. Esto nos sugiere que la importancia relativa de cada etapa de la invasión (nuestros viejos filtros) se </span>reconfigura<span style="font-weight:normal"> cuando múltiples especies invasoras comparten el paisaje.<span class="gmail_default" style="font-family:tahoma,sans-serif"> </span></span><span style="font-weight:normal">Lo observado a escala local en Entre Ríos no parece ser un caso aislado: otros paisajes con fisonomías contrastantes dentro de Argentina muestran dinámicas similares, y la alta co-ocurrencia global de Gleditsia triacanthos, Axis axis y Sus scrofa sugiere que estas interacciones pueden estar surgiendo en múltiples ecosistemas noveles alrededor del mundo.</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-family:"Trebuchet MS",sans-serif;background-color:rgb(255,255,255);font-weight:400;text-align:justify">Invasiones biológicas,</span><span style="font-family:"Trebuchet MS",sans-serif;background-color:rgb(255,255,255);font-weight:400;text-align:justify"> </span><i style="font-family:"Trebuchet MS",sans-serif;background-color:rgb(255,255,255);font-weight:400;text-align:justify">Gleditsia triacanthos</i><span style="font-family:"Trebuchet MS",sans-serif;background-color:rgb(255,255,255);font-weight:400;text-align:justify">, Acacia negra, teoría de filtros,</span><span style="font-family:"Trebuchet MS",sans-serif;background-color:rgb(255,255,255);font-weight:400;text-align:justify"> </span><span style="font-family:"Trebuchet MS",sans-serif;background-color:rgb(255,255,255);font-weight:400;text-align:justify"> </span><span style="font-family:"Trebuchet MS",sans-serif;background-color:rgb(255,255,255);font-weight:400;text-align:justify">Presión de propágulos, Dispersión de semillas</span><span style="font-family:"Trebuchet MS",sans-serif;background-color:rgb(255,255,255);font-weight:400;text-align:justify"> </span></font></p><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: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><img src="cid:ii_min7zfyc0" alt="luis perez.jpg" width="149" height="172" style="margin-right:0px"><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="background-color:rgb(253,251,251);font-family:Arial,Helvetica,sans-serif"><span class="gmail_default" style="font-family:tahoma,sans-serif"></span>L<span class="gmail_default" style="font-family:tahoma,sans-serif">uis I. Pérez</span></span><span style="background-color:rgb(253,251,251);font-weight:normal;font-family:Arial,Helvetica,sans-serif"> e</span><span style="background-color:rgb(253,251,251);font-weight:normal;font-family:Arial,Helvetica,sans-serif">s Licenciado en Ciencias Biológicas (FCEN) y Doctor en Ciencias Agropecuarias (FAUBA). Actualmente es Profesor adjunto en la Cátedra de Ecología e Investigador adjunto del CONICET en IFEVA-FAUBA. Sus temas de investigación giran en torno a las invasiones biológicas y las interacciones entre especies.</span></div><div style="background-color:rgb(255,255,255);font-family:tahoma,sans-serif"><br></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: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"><span style="background-color:transparent"><span class="gmail_default" style="font-family:tahoma,sans-serif"></span></span>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="background-color:transparent;font-weight:normal;color:rgb(56,56,56);font-family:verdana,arial,helvetica,sans-serif">su nombre y DNI</span><span class="gmail_default" style="background-color:transparent;font-weight:normal;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">) durante el transcurso del <span>seminario</span> o dentro de la hora posterior a la finalización del mismo</span></span><span style="background-color:transparent;color:rgb(56,56,56);font-family:verdana,arial,helvetica,sans-serif;font-weight:normal">. </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></tbody></table></div><div>--</div></div><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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