Recent changes in the timing of sea ice formation and retreat, along with increasing
seawater temperatures, are driving shifts in marine species composition that may signal …

Abstract The northern Bering and Chukchi Seas are areas in the Pacific Arctic characterized
by high northward advection of Pacific Ocean water, with seasonal variability in sea ice …

Current climate trends resulting in rapid declines in sea ice and increasing water
temperatures are likely to expand the northern geographic range and duration of favorable …

Arctic sea ice has changed dramatically, especially during the last decade and continued
declines in extent and thickness are expected for the decades to come. Some ice-associated …

Diet estimation in marine mammals relies on indirect methods including recovery of prey
hard parts from stomachs and feces, quantitative fatty acid signature analysis (QFASA) …

Predation is a dominant structuring force in ecological communities. In aquatic
environments, predation on bivalves has long been an important focal interaction for …

Marine dredging is an excavation activity carried out worldwide by many industries. Concern
about the impact dredging has on marine life, including marine mammals (cetaceans …

Observed and predicted declines in Arctic sea ice have raised concerns about marine
mammals. In May 2008, the US Fish and Wildlife Service listed polar bears (Ursus …

The Pacific walrus Odobenus rosmarus divergens feeds on benthic invertebrates on the
continental shelf of the Chukchi and Bering Seas and rests on sea ice between foraging …

Sex-specific phenotypic differences are widespread throughout the animal kingdom.
Reproductive advantages provided by trait differences come at a cost. Here, we link sex …