The demographic structure of populations is affected by life history strategies and how these
interact with natural and anthropogenic factors such as exploitation, climate change, and …

Understanding the factors that cause endangered populations to either grow or decline is
crucial for preserving biodiversity. Conservation efforts often address extrinsic threats, such …

In the Pacific Northwest, there are currently 18 evolutionarily significant units (ESUs) or
distinct population segments (DPSes) of Pacific salmon and steelhead listed as threatened …

The monodontids--narwhals, Monodon monoceros, and belugas, Delphinapterus leucas--
are found in much of the Arctic and in some subarctic areas. They are hunted by indigenous …

Understanding diet is critical for conservation of endangered predators. Southern Resident
killer whales (SRKW)(Orcinus orca) are an endangered population occurring primarily along …

ABSTRACT The California sea lion (Zalophus californianus) population in the United States
has increased steadily since the early 1970s. The Marine Mammal Protection Act of 1972 …

Climate change-driven alterations in Arctic environments can influence habitat availability,
species distributions and interactions, and the breeding, foraging, and health of marine …

Environmental microplastics are widely documented in marine life and bioaccumulation may
present risks to marine predators. Investigations of microplastics in marine mammals are …

The whale-watching industry in Juneau, Alaska relies primarily on the presence of North
Pacific humpback whales (Megaptera novaeangliae). To meet demands from the rapidly …

The annual return of beluga whales, Delphinapterus leucas, to traditional seasonal locations
across the Arctic may involve migratory culture, while the convergence of discrete …