Exposing the grey seal as a major predator of harbour porpoises

Leopold, M. F.; Begeman, L.; van Bleijswijk, J. D. L.; IJsseldijk, L. L.; Witte, H. J.; Grone, A.
Proceedings of the Royal Society B: Biological Sciences (2014)

Harbour porpoises (Phocoena phocoena) stranding in large numbers around the southern North Sea with fatal, sharp-edged mutilations have spurred controversy among scientists, the fishing industry and conservationists, whose views about…


Strandings, bycatches and injuries of aquatic mammals in China, 2000–2006, as reviewed from official documents: A compelling argument for a nationwide strandings programme

Wang, Yamin; Li, Wei; Van Waerebeek, Koen
Marine Policy (2015)

In the present study, the species composition, geographical and seasonal patterns of strandings, bycatches and injuries of aquatic mammals reported in Chinese mainland waters, from 2000 to 2006, were analyzed…


Increased harbor porpoise mortality in the Pacific Northwest, USA: understanding when higher levels may be normal

Huggins, JL; Raverty, SA; Norman, SA; Calambokidis, J; Gaydos, JK; Duffield, DA; Lambourn, DM; Rice, JM; Hanson, B; Wilkinson, K; Jeffries, SJ; Norberg, B; Barre, L
Diseases of Aquatic Organisms (2015)

In 2006, a marked increase in harbor porpoise Phocoena phocoena strandings were reported in the Pacific Northwest of the USA, resulting in the declaration of an unusual mortality event (UME)…


Porpoises: From predators to prey

Leopold, Mardik F.; Begeman, Lineke; Heße, Eileen; van der Hiele, Jaap; Hiemstra, Sjoukje; Keijl, Guido; Meesters, Erik H.; Mielke, Lara; Verheyen, Dorien; Gröne, Andrea
Journal of Sea Research (2015)

Along the Dutch shores hundreds of harbour porpoises Phocoena phocoena are stranded each year. A recurrent phenomenon in the Netherlands is a surge of strandings in late winter and early…


Central nervous system disease and genital disease in harbor porpoises (Phocoena phocoena) are associated with different herpesviruses

van Elk, Cornelis; van de Bildt, Marco; van Run, Peter; de Jong, Anton; Getu, Sarah; Verjans, Georges; Osterhaus, Albert; Kuiken, Thijs
Veterinary Research (2016)

Herpesvirus infection causes disease of variable severity in many species, including cetaceans. However, little is known about herpesvirus infection in harbor porpoises (Phocoena phocoena), despite being widespread in temperate coastal…


A contribution to the study on the three cetacean species stranded along the Bulgarian Black Sea coast

Evtimova, V.; Delov, V.; Parvanov, D.; Grozdanov, A.; Velina, Y.
Annuaire de l’Université de Sofia “St. Kliment Ohridski” Faculte de Biologie (2016)

The study was conducted by examining stranded cetaceans while explicitly searching for dead marine mammals. Observations were made through covering transects along the Bulgarian Black Sea coast. The data collection…