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Filtering by: Creator Lambourn, Dyanna M. Decade 2010-2019

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

Creator:

Huggins, Jessica L., Raverty, Stephen A., Norman, Stephanie A., Calambokidis, John, Gaydos, Joseph K., Duffield, Deborah A., Lambourn, Dyanna M., Rice, James M., Hanson, Brad, Wilkinson, Kristin, Jeffries, Steven J., Norberg, Brent, and Barre, Lynne

Abstract:

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) for Washington and Oregon to facilitate investigation into potential causes. The UME was in place during all of 2006 and...

Resource Type:

Article
The application of GIS and spatiotemporal analyses to investigations of unusual marine mammal strandings and mortality events

Creator:

Norman, Stephanie A., Huggins, Jessie, Carpenter, Tim E., Case, James T., Lambourn, Dyanna M., Rice, Jim, Calambokidis, John, Gaydos, Joseph K., Hanson, M. Bradley, Duffield, Deborah A., Dubpernell, Sandra, Berta, Susan, and Klope, Matt

Abstract:

In 2006–2007, an unusually high number of harbor porpoises (Phocoena phocoena) stranded along the Washington and Oregon coastlines. Spatiotemporal analyses were used to examine their ability to detect clusters of porpoise strandings during an unusual mortality event (UME) in the Pacific Northwest using stranding location data. Strandings were evaluated as...

Resource Type:

Article