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PUBLIC TALK: Perils of Fornicating on the Beach

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Today's date is Tuesday, June 22, 2021
Perils of Fornicating on the Beach : Reproductive constraints in a keystone fish may underpin collapse of the Northwest Atlantic foodweb Other events...
A public lecture by Dr Craig Purchase, Associate Professor of Biology, Memorial University of Newfoundland and a UWA Institute of Advanced Studies Visiting Fellow.

Keystone species hold critical roles in the functioning of foodwebs. About 30 years ago, the Northwest Atlantic Ocean foodweb was uprooted with the collapse of cod stocks, and continues to undergo substantial change. Capelin are the most important fish in the region, converting zooplankton protein to forage for larger fish, seabirds and marine mammals. Major shifts in life history characteristics of capelin occurred in the early 90s concomitant with a biomass collapse, which has not recovered. Capelin are well known for their unusual sex lives, where extremely high densities of fish spawn together in the surf zone of beaches. In this talk, Dr Purchase will discuss his research on capelin reproduction, and how evolutionary constraints may underpin the observed changes in ecosystem functioning.
Location Webb Lecture Theatre, Geography Building, UWA
Contact Institute of Advanced Studies <[email protected]> : 6488 1340
URL http://www.ias.uwa.edu.au/lectures/purchase
Start Tue, 19 Nov 2019 18:00
End Tue, 19 Nov 2019 19:00
Submitted by Audrey Barton <[email protected]>
Last Updated Mon, 04 Nov 2019 11:51
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