Aquatic Mammals (2007)
A previous study indicated no automatic gain control (AGC) in the auditory system of a harbor porpoise (Phocoena phocoena) as revealed by recording auditory evoked potentials to simulated echoes (Beedholm…
Biological and ecological factors related to trace element levels in harbour porpoises (Phocoena phocoena) from European waters
Lahaye, V.; Bustamante, P.; Law, R.J.; Learmonth, J.A.; Santos, M.B.; Boon, J.P.; Rogan, E.; Dabin, W.; Addink, M.J.; López, A.; Zuur, A.F.; Pierce, G.J.; Caurant, F.
Marine Environmental Research (2007)
Selected trace elements (Cd, Cu, Hg, Se, Zn) were measured in the kidneys and the liver of 104 harbour porpoises (Phocoena phocoena) stranded along the coasts of France, Galicia (Spain),…
Time allocation and diving behaviour of harbour porpoises (Phocoena phocoena) in Danish and adjacent waters
TEILMANN, JONAS; LARSEN, FINN; DESPORTES, GENEVIÉVE
Journal of Cetacean Research and Management (2007)
To gain insight into the time allocation and diving behaviour of harbour porpoises in Danish and adjacent waters, satellite linked dive recorders were mounted on 14 harbour porpoises. The animals…
Mass-dependent predation risk and lethal dolphin-porpoise interactions
MacLeod, R.; MacLeod, C. D.; Learmonth, J. A.; Jepson, P. D.; Reid, R. J.; Deaville, R.; Pierce, G. J.
Proceedings of the Royal Society B: Biological Sciences (2007)
In small birds, mass-dependent predation risk (MDPR) is known to make the trade-off between avoiding starvation and avoiding predation dependent on individual mass. This occurs because carrying increased fat reserves…
Predation by killer whales (Orcinus orca) and the evolution of whistle loss and narrow-band high frequency clicks in odontocetes
Morisaka, T.; Connor, R. C.
Journal of Evolutionary Biology (2007)
A disparate selection of toothed whales (Odontoceti) share striking features of their acoustic repertoires including the absence of whistles and high frequency but weak (low peak-to-peak source level) clicks that…
The impact of stress on cytokine and haptoglobin mRNA expression in blood samples from harbour porpoises (Phocoena phocoena)
Fonfara, S.; Siebert, U.; Prange, A.; Colijn, F.
Journal of the Marine Biological Association of the UK (2007)
Cytokines are important cell mediators involved in immune responses. Their expression can be modulated by numerous factors, including stress. The aim of this study was to compare cytokine mRNA expression…
Increased blood interleukin-10 mRNA levels in diseased free-ranging harbor porpoises (Phocoena phocoena)
Beineke, Andreas; Siebert, Ursula; Müller, Gundi; Baumgärtner, Wolfgang
Veterinary Immunology and Immunopathology (2007)
Harbor porpoises from the North and Baltic Seas exhibit a higher incidence of bacterial infections compared to whales from less polluted arctic waters. Toxicological analysis revealed an association between elevated…
Responses of cetaceans to anthropogenic noise
Nowacek, Douglas P.; Thorne, Lesley H.; Johnston, David W.; Tyack, Peter L.
Mammal Review (2007)
1. Since the last thorough review of the effects of anthropogenic noise on cetaceans in 1995, a substantial number of research reports has been published and our ability to document…
Distribution and abundance of marine mammals in the coastal waters of British Columbia, Canada
Williams, R.; Thomas, L.
Journal of Cetacean Research and Management (2007)
Information on animal distribution and abundance is integral to wildlife conservation and management. However abundance estimates have not been available for many cetacean species inhabiting the coastal waters of Canada’s…
Cytokines and acute phase proteins as markers for infection in harbor porpoises (Phocoena phocoena)
Fonfara, S.; Siebert, U.; Prange, A.
Marine Mammal Sci (2007)
(...) Impairment of immune function and inflammatory incidences in marine mammals are generally difficult to detect (King et al. 1996, Zeneto-Savin et al. 1997, Funke et al. 2003). Therefore, markers…