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MarBEF workshop on “The impact of changes in the abundance of marine [top] predators on ecosystem functions”

Location: St Andrews University, Fife (Scotland)
Event Type: Workshop
Event Date: 2008-04-29    
End Date: 2008-05-01

Event Description:
There is growing concern about the consequences of changes in the size structure of marine foodwebs for biodiversity and ecosystem function. This workshop will focus on one particular aspect of this concern: the impact of changes in the abundance of [top] predators. We will evaluate the strengths and weaknesses of the methods that are currently available, or being developed, to assess the impacts of [top] predators on marine ecosystems, and to predict the likely consequences of changes in their abundance. The first day of the workshop will focus on a review of the model frameworks currently available, the second day will focus on the availability of data for parameterising these models, and the final day on the development of potential research proposals. Confirmed participants include Julia Blanchard (Cefas, Lowestoft, UK), Simon Greenstreet (FRS, Aberdeen, UK), Mariano Koen-Alonso (Department of Fisheries and Oceans, Canada), and Eva Plaganyi-Lloyd (University of Cape Town).

Some relevant references:
-Asseburg C., Smout S., Harwood J. & Matthiopoulos J. 2006. The functional responses of generalist predators, and their implications for the monitoring of marine ecosystems. In [Top] Predators in Marine Ecosystems (eds I. Boyd, S. Wanless & C. Camphuysen ). Cambridge University Press.
-Blanchard J., Dulvy N., Jennings S., Ellis J., Pinnegar J., Tidd A. & Kell L. 2005. Do climate and fishing influence size-based indicators of Celtic Sea fish community structure? ICES Journal of Marine Science 62: 405–411.
-Butterworth D.S. & Plaganyi E.E. 2004. A brief introduction to some approaches to multispecies/ecosystem modelling in the context of their possible application in the management of South African fisheries. African Journal of Marine Science, 26, 53-61.
-Greenstreet S.P.R. & Rogers S.I. 2006. Indicators of the health of the North Sea fish community: identifying reference levels for an ecosystem approach to management. ICES Journal of Marine Science, 63, 573-593.
-Koen-Alonso M. & Yodzis P. 2005. Multispecies modelling of some components of the marine community of northern and central Patagonia, Argentina. Canadian Journal of Fisheries & Aquatic Sciences 62: 1490–1512.
-Koen-Alonso M 2006. A process-oriented approach to the multispecies functional response. In: From Energetics to Ecosystems: The Dynamics and Structure of Ecological Systems (eds. N. Rooney, K.S. McCann & D.L.G. Noakes). Springer-Verlag.
-Matthiopoulos J, Smout S.,Winship A.J., Thompson D., Boyd I.L. & Harwood, J. (in press) Getting beneath the surface of marine mammal – fisheries competition. Mammal Review

Cost: €425, including registration, 4 nights bed & breakfast accommodation, lunches and conference dinner.

Contact email:

Event programme:

Collaborators and organisers:
John Harwood
Rebecca Aspden
Jason Mathiopoulos
Sophie Smout

Website url: 

Registration form: 

Registration fee: 425 €

Relevant costs that should be taken by MARBEF:  

Possibility for day-care centres (facilities for children): No

MarBEF supported event: Yes

Event within Framework of MARBEF: WP4 - Functionality

Maximum number of participants: 

External participants (non MARBEF) allowed: Yes

Posted by wardappeltans on 2008-03-14 and approved by webmaster