Oregon State University

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Event Details

Will White, Department of Fisheries and Wildlife, OSU

Water wars: human and environmental factors controlling oyster populations in California and Florida

Thursday, March 29, 2018 3:30 PM - 4:30 PM

Decades of field experimentation have shown that populations of sessile estuarine invertebrates, like oysters, are affected by top-down factors (predation, harvest), bottom-up factors (food supply), and supply-side factors (larval transport). Underlying all of those is the role of upstream river flows (also often affected by humans) in determining the spatial salinity gradients in the estuary. However, it can be difficult to sort out the relative importance of these factors for determining the distribution and abundance of natural populations. In this talk I show how I have used mathematical models fitted to field data to tackle this issue for two case studies. The first is populations of native Olympia oysters in Tomales Bay, California. The second deals with the potential causes of the 2012 crash of the Apalachicola Bay, Florida, oyster fishery – research that formed the basis of an interstate lawsuit argued before the U.S. Supreme Court in January 2018.

OSU Hatfield Marine Science Center
Guin Library Seminar Room
2030 SE Marine Science Drive
Gil Sylvia
cinamon.moffett at oregonstate.edu
Hatfield Marine Sci Ctr
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