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Habitat Restoration and Community Assembly: Examples from Missouri Ponds and Glades
Wednesday, April 2, 2008 @ 5:30 PM-7:00 PM
The factors that control the species diversity and composition in a given habitat include theories dominated by deterministic and stochastic forces. Deterministic forces, including niche-based theories, suggest that environmental conditions and species interactions determine which species, and how many, can live in a given habitat. Stochastic forces, including colonization, extinction, and priority effects, suggest less predictable patterns of diversity and composition. Associate Professor of Biology and Director of Washington University’s Tyson Research Center, Dr. Jonathan Chase talks about his research that melds these forces into a single framework, allowing him to predict when unpredictability is likely to play a greater role in community assembly, and when determinism will, and providing essential information when trying to restore habitats that have been degraded.
Where: Academy of Science St. Louis, Library & Outreach Center (2nd floor, St. Louis Science Center), 5050 Oakland Avenue (Parking free in the Science Center lot)