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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

Emilie Tew-Kai, Auteur ; Simon Benhamou, Auteur ; Carl D. van der Lingen, Auteur ; Janet C. Coetzee, Auteur ; Lorien Pichegru, Auteur ; Peter G. Ryan, Auteur ; David Grémillet, Auteur

Dans Journal of Applied Ecology (50(3) JUN 2013)

Climate change and fishing impact marine ecosystems, potentially modifying the availability of small pelagic fish to marine top predators. Some seabirds that primarily rely upon these resources have switched to feeding on fishery waste. It has t[...]

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The influence of food availability on breeding success of African penguins Spheniscus demersus at Robben Island, South Africa

Robert J. M. Crawford, Auteur ; Peter J. Barham, Auteur ; Les G. Underhill, Auteur ; Lynne J. Shannon, Auteur ; Janet C. Coetzee, Auteur ; Bruce M. Dyer, Auteur ; T. Mario Leshoro, Auteur ; Leshia Upfold, Auteur

Dans Biological Conservation (132(1) SEP 2006)

From 1989 to 2004, the breeding success of African penguins Spheniscus demersus at Robben Island, South Africa was significantly related to estimates of the abundance of both their main prey species, anchovy Engraulis encrasicolus and sardine Sa[...]

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