[pccgrads] February 12 seminar: Understanding and managing [fish] range dynamics in a warming ocean

Evan Howard ehoward2 at uw.edu
Tue Feb 5 10:35:34 PST 2019


Dear PCC community,

The following seminar on the response of marine ecosystems to interannual
to interdecadal climate variability may be of interest. If you have any
interest in meeting with the speaker between February 11th and February
15th, please let me know.

Cheers, Evan Howard

__


Understanding and managing range dynamics in a warming ocean

Alexa Fredston-Hermann (UCSB)
February 12th, 1130 am, MSB 123 (Biological Oceanography Seminar Series)

Abstract

Species around the globe are shifting their ranges in response to climate
change. Range shifts can help species escape climate-related extinction,
but species that cannot disperse to or survive in new habitats may remain
under threat. Understanding range edges is particularly crucial for natural
resource management, because edges are where colonization and extinction
actually occur. I present preliminary results from an analysis of annual
equatorward and poleward range edge dynamics of marine fishes in a
multi-decade time-series of trawl surveys conducted on the Northeast U.S.
shelf during a period of rapid warming. I then discuss the implications of
range shifts and biogeographic processes for the design of marine protected
areas, which are often promoted as interventions to build climate change
resilience but are small and fixed in space.
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