{ "130430-21866014": { "datetime_modified":"20250128T134213", "datetime_start":"20250130T160000", "datetime_end":"20250130T170000", "has_end_time":1, "date_start":"2025-01-30", "date_end":"2025-01-30", "time_start":"16:00:00", "time_end":"17:00:00", "time_zone":"America\/Detroit", "event_title":"EEB Thursday Seminar Series - Eco-metabolomics and the cryptic chemical traits that underpin plant ecology", "occurrence_title":"", "combined_title":"EEB Thursday Seminar Series - Eco-metabolomics and the cryptic chemical traits that underpin plant ecology: Brian Sedio, University of Texas at Austin", "event_subtitle":"Brian Sedio, University of Texas at Austin", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"Fundamental hypotheses concerning the maintenance and generation of diversity in ecological communities posit a central role for the differences among plants in metabolites that function as defenses against herbivores and pathogens. Yet the vast diversity of plant chemical defenses has traditionally precluded community-level studies of chemical ecology. Here, I use untargeted metabolomics based on mass spectrometry to identify, classify, and compare the structures of >10,000 unique foliar metabolites from 314 tree species recorded in the BCI 50-ha forest dynamics plot and >20,000 metabolites from 906 species sampled in 16 1-ha forest plots representing an elevational gradient in the tropical Andes in Bolivia. I ask whether species metabolomes define niches by i) contributing to density-dependent mortality driven by enemy-mediated competition and ii) varying over elevational and environmental gradients. I find that seedling survival is reduced by heterospecific neighbors that are similar with respect to secondary metabolites, but enhanced by similarity to primary metabolites on BCI. Further, chemical dissimilarity of co-occurring species declines with elevation but increases with species diversity in the tropical Andes, whereas chemical properties associated with light absorbance, polarity, and topological complexity vary in ways that suggest variation in the sources of selection on plant metabolomes over elevational gradients.", "occurrence_notes":null, "guid":"130430-21866014@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/130430", "building_id":"1005169", "building_name":"Biological Sciences Building", "campus_maps_id":"631", "room":"1060", "location_name":"Biological Sciences Building", "has_livestream":0, "cost":"", "tags":["evolutionary biology","Ecology And Evolutionary Biology","Ecology & Biology","Ecology"], "website":"http:\/\/www.briansedio.weebly.com", "sponsors":[ { "group_name":"Ecology and Evolutionary Biology", "group_id":"1190", "website":"" }, { "group_name":"Program in Biology", "group_id":"3783", "website":"" }, { "group_name":"EEB Thursday Seminars", "group_id":"3822", "website":"" } ], "image_url":"https:\/\/events.umich.edu\/media\/attachments\/2025\/01\/event_130430_original-1.png", "styled_images":{ "event_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_thumb\/media\/attachments\/2025\/01\/event_130430_original-1.png", "event_large":"https:\/\/events.umich.edu\/media\/cache\/event_large\/media\/attachments\/2025\/01\/event_130430_original-1.png", "event_large_2x":"https:\/\/events.umich.edu\/media\/cache\/event_large_2x\/media\/attachments\/2025\/01\/event_130430_original-1.png", "event_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/event_large_lightbox\/media\/attachments\/2025\/01\/event_130430_original-1.png", "group_thumb":"https:\/\/events.umich.edu\/media\/cache\/resolve\/group_thumb\/media\/attachments\/2025\/01\/event_130430_original-1.png", "group_thumb_square":"https:\/\/events.umich.edu\/media\/cache\/resolve\/group_thumb_square\/media\/attachments\/2025\/01\/event_130430_original-1.png", "group_large":"https:\/\/events.umich.edu\/media\/cache\/resolve\/group_large\/media\/attachments\/2025\/01\/event_130430_original-1.png", "group_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/resolve\/group_large_lightbox\/media\/attachments\/2025\/01\/event_130430_original-1.png", "event_large_crop":"https:\/\/events.umich.edu\/media\/cache\/resolve\/event_large_crop\/media\/attachments\/2025\/01\/event_130430_original-1.png", "event_list":"https:\/\/events.umich.edu\/media\/cache\/resolve\/event_list\/media\/attachments\/2025\/01\/event_130430_original-1.png", "event_list_2x":"https:\/\/events.umich.edu\/media\/cache\/event_list_2x\/media\/attachments\/2025\/01\/event_130430_original-1.png", "event_grid":"https:\/\/events.umich.edu\/media\/cache\/event_grid\/media\/attachments\/2025\/01\/event_130430_original-1.png", "event_grid_2x":"https:\/\/events.umich.edu\/media\/cache\/resolve\/event_grid_2x\/media\/attachments\/2025\/01\/event_130430_original-1.png", "event_feature_large":"https:\/\/events.umich.edu\/media\/cache\/resolve\/event_feature_large\/media\/attachments\/2025\/01\/event_130430_original-1.png", "event_feature_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_feature_thumb\/media\/attachments\/2025\/01\/event_130430_original-1.png" }, "occurrence_count":1, "first_occurrence":21866014 } , "122454-21849220": { "datetime_modified":"20241219T140051", "datetime_start":"20250130T160000", "datetime_end":"20250130T180000", "has_end_time":1, "date_start":"2025-01-30", "date_end":"2025-01-30", "time_start":"16:00:00", "time_end":"18:00:00", "time_zone":"America\/Detroit", "event_title":"EIHS Lecture: Divergent Connections: Participating in the Indian Ocean World from East Africa\u2019s Interior, ca. 1000-1800", "occurrence_title":"", "combined_title":"EIHS Lecture: Divergent Connections: Participating in the Indian Ocean World from East Africa\u2019s Interior, ca. 1000-1800: David Bresnahan (University of Utah)", "event_subtitle":"David Bresnahan (University of Utah)", "event_type":"Lecture \/ Discussion", "event_type_id":"13", "description":"This talk explores the history of the East African port city of Mombasa from the vantage point of communities that lived along its rural edges. The Mijikenda speaking communities that lived adjacent to Mombasa rejected many of the cosmopolitan practices scholars understand as central to Indian Ocean communities. They emphasized smaller villages over urbanism, local ritual practices over Islam, and inland trade over maritime commerce. This talk examines the interrelationship between inland ritual networks and oceanic trade to show how seemingly alienating social pursuits were in fact key to Mijikenda speakers\u2019 participation and influence in the premodern Indian Ocean.\r\n\r\nDavid Bresnahan is an assistant professor of history at the University of Utah. He is the author of Inland from Mombasa: East Africa and the Making of the Indian Ocean World (University of California Press, 2025). His other research has appeared in Journal of World History, the Journal of Eastern African Studies, and the International Journal of African Historical Studies. \r\n\r\nThis event presented by the Eisenberg Institute for Historical Studies. It is made possible in part by a generous contribution from Kenneth and Frances Aftel Eisenberg.", "occurrence_notes":null, "guid":"122454-21849220@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/122454", "building_id":"1000152", "building_name":"Tisch Hall", "campus_maps_id":"541", "room":"1014", "location_name":"Tisch Hall", "has_livestream":0, "cost":"", "tags":["History","Interdisciplinary","Humanities"], "website":"", "sponsors":[ { "group_name":"Eisenberg Institute for Historical Studies", "group_id":"2935", "website":"http:\/\/www.lsa.umich.edu\/eihs\/" }, { "group_name":"Department of History", "group_id":"3470", "website":"" } ], "image_url":"https:\/\/events.umich.edu\/media\/attachments\/2024\/06\/event_122454_original-1.jpeg", "styled_images":{ "event_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_thumb\/media\/attachments\/2024\/06\/crop-event_122454_original-1.jpeg", "event_large":"https:\/\/events.umich.edu\/media\/cache\/event_large\/media\/attachments\/2024\/06\/crop-event_122454_original-1.jpeg", "event_large_2x":"https:\/\/events.umich.edu\/media\/cache\/event_large_2x\/media\/attachments\/2024\/06\/crop-event_122454_original-1.jpeg", "event_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/event_large_lightbox\/media\/attachments\/2024\/06\/crop-event_122454_original-1.jpeg", "group_thumb":"https:\/\/events.umich.edu\/media\/cache\/group_thumb\/media\/attachments\/2024\/06\/crop-event_122454_original-1.jpeg", "group_thumb_square":"https:\/\/events.umich.edu\/media\/cache\/group_thumb_square\/media\/attachments\/2024\/06\/crop-event_122454_original-1.jpeg", "group_large":"https:\/\/events.umich.edu\/media\/cache\/group_large\/media\/attachments\/2024\/06\/crop-event_122454_original-1.jpeg", "group_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/group_large_lightbox\/media\/attachments\/2024\/06\/crop-event_122454_original-1.jpeg", "event_large_crop":"https:\/\/events.umich.edu\/media\/cache\/event_large_crop\/media\/attachments\/2024\/06\/crop-event_122454_original-1.jpeg", "event_list":"https:\/\/events.umich.edu\/media\/cache\/event_list\/media\/attachments\/2024\/06\/crop-event_122454_original-1.jpeg", "event_list_2x":"https:\/\/events.umich.edu\/media\/cache\/event_list_2x\/media\/attachments\/2024\/06\/crop-event_122454_original-1.jpeg", "event_grid":"https:\/\/events.umich.edu\/media\/cache\/event_grid\/media\/attachments\/2024\/06\/crop-event_122454_original-1.jpeg", "event_grid_2x":"https:\/\/events.umich.edu\/media\/cache\/event_grid_2x\/media\/attachments\/2024\/06\/crop-event_122454_original-1.jpeg", "event_feature_large":"https:\/\/events.umich.edu\/media\/cache\/event_feature_large\/media\/attachments\/2024\/06\/crop-event_122454_original-1.jpeg", "event_feature_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_feature_thumb\/media\/attachments\/2024\/06\/crop-event_122454_original-1.jpeg" }, "occurrence_count":1, "first_occurrence":21849220 } , "130625-21866456": { "datetime_modified":"20250214T123150", "datetime_start":"20250130T160000", "datetime_end":"20250130T170000", "has_end_time":1, "date_start":"2025-01-30", "date_end":"2025-01-30", "time_start":"16:00:00", "time_end":"17:00:00", "time_zone":"America\/Detroit", "event_title":"Overview of the US Healthcare System", "occurrence_title":"", "combined_title":"Overview of the US Healthcare System", "event_subtitle":"", "event_type":"Careers \/ Jobs", "event_type_id":"2", "description":"Join us for an engaging presentation that unpacks the complexities of the US Healthcare system. Whether you're curious about how insurance works, the role of public vs. private providers, or current challenges like affordability and access, this session will provide clarity andinsight.", "occurrence_notes":null, "guid":"130625-21866456@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/130625", "building_id":"", "building_name":"", "campus_maps_id":"", "room":"", "location_name":"", "has_livestream":0, "cost":"", "tags":[], "website":"", "sponsors":[ { "group_name":"University Career Center UCC", "group_id":"1140", "website":"http:\/\/careercenter.umich.edu" } ], "image_url":"", "styled_images":{ "event_thumb":"", "event_large":"", "event_large_2x":"", "event_large_lightbox":"", "group_thumb":"", "group_thumb_square":"", "group_large":"", "group_large_lightbox":"", "event_large_crop":"", "event_list":"", "event_list_2x":"", "event_grid":"", "event_grid_2x":"", "event_feature_large":"", "event_feature_thumb":"" }, "occurrence_count":1, "first_occurrence":21866456 } , "130635-21866466": { "datetime_modified":"20250214T123150", "datetime_start":"20250130T160000", "datetime_end":"20250130T170000", "has_end_time":1, "date_start":"2025-01-30", "date_end":"2025-01-30", "time_start":"16:00:00", "time_end":"17:00:00", "time_zone":"America\/Detroit", "event_title":"USA - Campus - EY Next Steps: Intern Insights", "occurrence_title":"", "combined_title":"USA - Campus - EY Next Steps: Intern Insights", "event_subtitle":"", "event_type":"Careers \/ Jobs", "event_type_id":"2", "description":"Curious about a career at EY? 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