Harbor porpoise (Phocoena phocoena) habitation of coastal waters exposes them to frequent interactions with fisheries, pollution, boat traffic and other
Harbor porpoise were a common year-round resident in the Puget Sound in the 1940s, but by the 1970s, they had
The objective of this research was to determine whether detrimental effects possibly caused by toxic chemicals could be observed in
Studies on birds and marine mammals from around the world indicate that environmental contaminants have adversely affected wildlife. This is
Aerial surveys were conducted off Oregon and Washington in the summer of 1991 to help determine the current abundance of
Harbor porpoise (Phocoena phocoena) are considered to be a sentinel species throughout much of their range due to their sensitivity
As high trophic level, non-migratory marine mammals, harbor seals (Phoca vitulina) inhabiting the Strait of Georgia, Juan de Fuca Strait
In 2006, a marked increase in harbor porpoise Phocoena phocoena strandings were reported in the Pacific Northwest of the USA,