Please join the School of Aquatic and Fishery Sciences for its Spring Seminar Series. The SAFS seminar series consists of weekly presentations by eminent academics, prospective faculty members and the School’s own faculty members. Seminars are free and open to the public.
Thursday, April 9, 2015 at 4 PM
Social immediately follows
University of Washington
Fishery Sciences Building
1122 NE Boat Street
Seattle, Washington (map)
View the full seminar schedule.
For more information, please contact SAFS Front Desk, firstname.lastname@example.org, or 206-543-4270.
PROF. JULIAN OLDEN
Fish out of water: Will freshwater fishes keep pace with climate change?
In the coming decade, the survival of species will in part depend on their abilities to track geographic changes in suitable climates. My presentation explores whether freshwater fish species will be able to keep pace with projected climate warming in the 21st century through the lens of two case studies. First, we head to southwestern United States where I illustrate how more frequent and severe droughts associated with climate change are poised to significantly alter flow intermittence patterns and hydrologic connectivity in dryland streams, with deleterious effects on highly endangered fishes.. Second, I zoom out and investigate the ability of freshwater fishes of the United States to keep pace with projected climatic changes. By quantifying the velocity of climate change and species-specific dispersal abilities I show that freshwater fishes will be required to disperse considerable distances to maintain their current temperature conditions. Many species lack the dispersal rates to achieve the required distances, and large dams and diversions will only serve to worsen the situation. Non-native fish species show, on average, five times greater dispersal ability compared to native species suggesting that introduced species may be better poised to respond to climate change.
ABOUT PROF. OLDEN
Julian Olden’s research focuses on the ecology and biogeography of freshwater ecosystems, in particular the conservation of native fish biodiversity inlight of environmental change (predominantly dam fragmentation and river regulation) and invasions by non-indigenous species. This research is multi-faceted and draws upon a diverse array of disciplines including conservation biology, invasion biology, quantitative ecology, landscape ecology, biogeography, community ecology, hydrology and fisheries. Ongoing research is being conducted in Arizona, Washington, Oregon and Wisconsin, and in river systems of Australia. Prof. Olden’s research aims to integrate science-based approaches with “on-the-ground” management strategies in order to address pressing conservation questions.
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