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DTSTAMP:20241001T162331
DTSTART;TZID=America/Detroit:20241008T120000
DTEND;TZID=America/Detroit:20241008T130000
SUMMARY:Lecture / Discussion:EEB Tuesday Seminar Series - Ecophylogenetic and geographic constraints on species formation and cohesion in squamate reptiles
DESCRIPTION:This event is part of our ongoing Tuesday Seminar Series.\n\nAbout this seminar: The ubiquity of species imbalance across the Tree of Life potentially reflects\, at least in part\, heterogeneity in macroevolutionary rates of speciation and extinction. However\, how and why speciation rates vary within and between clades and biogeographic regions remains an open question. Many studies have tested for links between putative microevolutionary (subspecific) controls and macroevolutionary (superspecific) phenomena (e.g.\, speciation rates)\, but due to the noisiness of these biological data\, have been unable to reach any consensus on speciation rate-limiting controls. In particular\, variability in the taxonomic resolution of tip-level units—including over- and under-splitting—can potentially influence estimated rates of speciation\, the consequences of which have not been rigorously explored. Given that geographic isolation provides only ambiguous evidence for reproductive isolation\, the taxonomic treatment of allopatric forms has been inconsistent across clades\, thus raising questions as to the comparability of our phylogenetic tip-level units. Using sympatry among close relatives as a heuristic for speciation completion\, I will assess the impact of collapsing allopatric sibling species on macroevolutionary speciation rates in scaled reptiles (Order Squamata). I will then briefly describe my plans to investigate the ecophylogenetic limits to sympatry among squamates by modeling clade-level transitions from allopatry. I will also discuss leveraging higher-resolution ecological and distribution data from one North American snake tribe (Colubridae: Natricinae: Thamnophiini) to interrogate the robustness of these results. Finally\, I propose to characterize the range-wide genomic structure of several species groups within Thamnophiini to explore extrinsic and intrinsic factors modulating species cohesion across heterogeneous environments and spatial scales.
UID:127262-21858753@events.umich.edu
URL:https://events.umich.edu/event/127262
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:seminar,Science,Natural Sciences,Graduate Students,Graduate,Free,evolutionary biology,eeb,Ecology And Evolutionary Biology,Ecology & Biology,Ecology,Biology
LOCATION:Biological Sciences Building - 1010
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20240905T181553
DTSTART;TZID=America/Detroit:20241008T120000
DTEND;TZID=America/Detroit:20241008T133000
SUMMARY:Workshop / Seminar:Faculty Allies for Diversity Welcome Event
DESCRIPTION:\n\n\n\n\n\nConnect with other Faculty Allies over lunch and learn more about the process Rackham will be using to review the Faculty Allies Program.\nRegistration is required at https://myumi.ch/W51Zw.\n\n\n\n\n\n\nWe want to ensure full and equitable participation in our events. If an accommodation would promote your full participation in this event\, please follow the registration link to indicate your accommodation requirements. Please let us know as soon as possible in order to have adequate time\, preferably one week\, to arrange for your requested accommodations or an effective alternative.
UID:125887-21856244@events.umich.edu
URL:https://events.umich.edu/event/125887
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:
LOCATION:Rackham Graduate School (Horace H.)
CONTACT:
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