Are Cape gannets dependent upon fishery waste? A multi-scale analysis using seabird GPS-tracking, hydro-acoustic surveys of pelagic fish and vessel monitoring systems
Article first published online: 7 MAY 2013
© 2013 The Authors. Journal of Applied Ecology © 2013 British Ecological Society
Journal of Applied Ecology
Volume 50, Issue 3, pages 659–670, June 2013
How to Cite
Tew Kai, E., Benhamou, S., van der Lingen, C. D., Coetzee, J. C., Pichegru, L., Ryan, P. G., Grémillet, D. (2013), Are Cape gannets dependent upon fishery waste? A multi-scale analysis using seabird GPS-tracking, hydro-acoustic surveys of pelagic fish and vessel monitoring systems. Journal of Applied Ecology, 50: 659–670. doi: 10.1111/1365-2664.12086
- Issue published online: 21 MAY 2013
- Article first published online: 7 MAY 2013
- Manuscript Accepted: 11 MAR 2013
- Manuscript Received: 21 JAN 2012
Appendix S1. Acoustic survey.
Appendix S2. VMS data handling.
Appendix S3. Residence time.
Appendix S4. Overlaps between fisheries and Cape gannets.
Appendix S5. Estimate the probability that a bird follows a vessel.
Table S1. Characteristics of Vessel Monitoring Systems (VMS) data in 2002, 2005 and 2009 for purse-seine fishing vessels and trawlers.
Table S2. Morus Capensis. Summary of the GPS tracking effort, including information on the tracking period, number of complete trips.
Table S3. Characteristics of interactions between Cape gannets and trawlers for each choice of radius in 2005.
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