Conference Agenda
Overview and details of the sessions of this conference. Please select a date or location to show only sessions at that day or location. Please select a single session for detailed view (with abstracts and downloads if available).
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Daily Overview |
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Climate Change Adaptation: Insurance and Households Location: B003 Session Chair: James Sanchirico, University of California, Davis | |
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Spatial, temporal, and cross-fishery adaptation in the U.S. West Coast Dungeness Crab Fishery 1: University of California, Davis; 2: National Oceanographic and Atmospheric Administration; 3: University of Washington; 4: Oregon State University; 5: University of California, Davis Climate shocks increasingly disrupt coastal fisheries. Understanding how harvesters adapt can help policymakers assess the resilience of a fishery and a fishing community. This study examines how Harmful Algal Blooms (HABs) and associated closure policies affect the U.S. West Coast Dungeness crab fishery, focusing on three adaptation margins: spatial, temporal, and cross fisheries. Using a weekly panel for 42 ports in California, Oregon, and Washington from 2006 to 2021, we estimate a flexible prediction model of fishing participation and revenue and use it to simulate season revenue under alternative closure lengths. We find a rebound effect, where port-level revenues are higher in the period immediately after the closure is lifted than when there was no closure in place. These temporal shifts in effort within a season are the most significant mediating factor. In San Francisco, for example, temporal adaptation adds the equivalent of 16% of open season revenue in a season that begins with a seven-week closure. Spatial movement in response to port-level closures and diversification into other fisheries only moderately offset the losses. Reallocation across fisheries provides limited compensation because non-crab species earn lower returns, and the value of spatial adaptation depends largely on differences in reopening dates across adjacent zones. Together, these results empirically measure the potential economic consequences of climate-driven closures and reveal the net losses that remain even after accounting for adaptive behavior. The findings provide policymakers with a basis for evaluating the impacts of temporary closure decisions due to short-run climate disturbances. | |