publication . Article . 2013

Can diving-induced tissue nitrogen supersaturation increase the chance of acoustically driven bubble growth in marine mammals?

Sam Ridgway;
Open Access
  • Published: 21 Nov 2013 Journal: Journal of Theoretical Biology, volume 213, pages 183-195 (issn: 0022-5193, Copyright policy)
  • Publisher: Elsevier BV
Abstract The potential for acoustically mediated causes of stranding in cetaceans (whales and dolphins) is of increasing concern given recent stranding events associated with anthropogenic acoustic activity. We examine a potentially debilitating non-auditory mechanism called rectified diffusion. Rectified diffusion causes gas bubble growth, which in an insonified animal may produce emboli, tissue separation and high, localized pressure in nervous tissue. Using the results of a dolphin dive study and a model of rectified diffusion for low-frequency exposure, we demonstrate that the diving behavior of cetaceans prior to an intense acoustic exposure may increase th...
Medical Subject Headings: human activities
free text keywords: General Biochemistry, Genetics and Molecular Biology, Modelling and Simulation, Statistics and Probability, General Immunology and Microbiology, Applied Mathematics, General Agricultural and Biological Sciences, General Medicine, Lung Collapse, Ecology, Deep diving, Gas bubble, Nitrogen washout, Gas dynamics, Nitrogen, chemistry.chemical_element, chemistry, Supersaturation, Biology, Bubble
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