Browsing Brage IMR by Author "Tolley, Krystal A."
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Geographical differences in organochlorine contaminants in harbour porpoises Phocoena phocoena from the western North Atlantic
Westgate, Andrew S.; Tolley, Krystal A. (Journal article; Peer reviewed, 1999-02-11)Organochlorine contaminants, including polychlorinated biphenyls (PCBs), chlorinated bornanes (CHBs), dichloro-diphenyl-trichloro ethanes (DDTs), chlordanes (CHLORs), hexachlorocyclohexanes (HCHs) and, chlorobenzenes (CBZs) ... -
Inferring ecological separation from regional differences in radioactive caesium in harbour porpoises Phocoena phocoena
Tolley, Krystal A.; Heldal, Hilde Elise (Journal article; Peer reviewed, 2002-03-06)Geographic variation in the level of radioactive caesium-137 (Cs-137) was examined from the axial muscle of 36 harbour porpoises Phocoena phocoena obtained as bycatch from 5 locations along the coast of Norway, ranging ... -
Population structure and historical demography of eastern North Atlantic harbour porpoises inferred through mtDNA sequences
Tolley, Krystal A.; Rosel, Patricia E. (Journal article; Peer reviewed, 2006-12-07)The harbour porpoise Phocoena phocoena experiences high rates of incidental mortality in commercial fisheries, and in some areas these rates are sufficiently high to justify concern over population sustainability. Given ...