Adult returns to many Atlantic salmon wild and hatchery stocks of the North Atlantic have
declined or collapsed since 1985. Enhancement, commercial fishery closures, and angling …

Arctic cod (Boreogadus saida) is the most abundant forage fish in the Arctic Ocean. Here we
review Arctic cod habitats, distribution, ecology, and physiology to assess how climate …

Polar cod and capelin are key species in Arctic and sub-Arctic marine food webs,
respectively, and the objective of this study is to compare and contrast the two species. Their …

The Northwest Atlantic marine ecosystem off Newfoundland and Labrador, Canada, has
been commercially exploited for centuries. Although periodic declines in various important …

Mass mortality events are increasing in frequency and magnitude, potentially linked with
ongoing climate change. In October 2016 through January 2017, St. Paul Island, Bering …

Changing climatic conditions are affecting ecosystems worldwide, but polar ecosystems are
experiencing the most rapid changes as the extent of summer sea ice has diminished over …

Marine heatwaves (MHWs) are periods of anomalously warm water associated with
changes in ocean structure, based on the horizontal advection of water masses and …

I examined~ 2700 food samples collected from adult and nestling black-legged kittiwakes
Rissa tridactyla from 1978 through 2011 on Middleton Island in the Gulf of Alaska. The …

Common and thick–billed murres are among the most numerous and widespread seabirds
in the northern hemisphere though they appear to be especially susceptible to mass die–off …

Mercury (Hg) is a pervasive contaminant that can adversely affect predatory wildlife. Bird
eggs provide insights into breeding females' Hg burdens, and are easily collected and …