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Hello all,</div>
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Happy start of the semester! I am pleased to announce that this semester's first colloquium will be held on Friday (08/30) at 3:00 PM. As you can see below, we will begin with a discussion of Dinosaurs and Mammals presented by the new Curator of Vertebrate
Paleontology at the Florida Museum, Advait Jukar. Please spread the word to any and all who may be interested.</div>
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If you would like to schedule a time to meet with Advait on Friday please let me know.</div>
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<b>The Evolution of Local Communities from the Mesozoic to the Cenozoic</b> </div>
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Dr. Advait M. Jukar </div>
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Assistant Curator of Vertebrate Paleontology </div>
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Department of Natural History, Florida Museum of Natural History </div>
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University of Florida </div>
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<b>Abstract</b> </div>
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The nature of an ecological community has been heavily debated. In the fossil record, the closest approximation is a bone bed or quarry where an assemblage of species has accumulated over a geologically short time span, and likely represents a group of species
that was contemporaneous in a region. While most studies of diversity in the past have focused on the global or continental scales, analyses of these local fossil communities can provide insights into community assembly processes and patterns that cannot be
gleaned from a global perspective. And in some ways, provide a better scale of comparison. In this lecture, using examples from the fossil record of herbivorous dinosaurs and mammals, I will illustrate (1) the differences between the ways dinosaur communities
and mammal communities are structured, and (2) the changes in the functional structure of the herbivore guild through time, and (3) the patterns and causes behind the hyper-diversity of herbivores are various times during the Cenozoic. Dinosaur assemblages
are structured fundamentally differently from mammal assemblages, even at the local scale, and mammalian herbivores in North America change their community structures through the Cenozoic in concert with climate change. In South Asia, a period of extremely
high diversity of megaherbivores is seen in local assemblages during the Miocene, but following the transition from C3 to C4 grasslands, this diversity is never recovered. The diversity patterns highlight the role of not only the environment, but also potentially
ontogeny and biotic interactions in structuring local herbivore assemblages through time. </div>
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<b>Location</b>: EOAS 1050</div>
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<b>Time</b>: Friday, August 30 at 3:00 PM</div>
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See you then, </div>
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-Scott</div>
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Assistant Professor</div>
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Department of Earth, Ocean and Atmospheric Sciences</div>
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Florida State University</div>
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<span style="background-color: rgb(255, 255, 255);">Office: EOAS 3021</span></div>
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