Research on the ecology and biology of marine mammal populations is necessary to
understand ecosystem dynamics and to support conservation management. Emerging …

The impacts of climate change on the health of marine mammals are increasingly being
recognised. Given the rapid rate of environmental change in the Arctic, the potential …

In response to a climate regime shift in 1977 and general heating of the North Pacific Ocean,
pink salmon Oncorhynchus gorbuscha abundance reached record highs during 2005-2021 …

Effective conservation of threatened populations requires identification of the processes
limiting recovery. When multiple population processes are potentially limiting, they are …

Parents often sacrifice their own future reproductive success to boost the survival of their
offspring, a phenomenon referred to as parental investment. In several social mammals …

Highly social top marine predators, including many cetaceans, exhibit culturally learned
ecological behaviours such as diet preference and foraging strategy that can affect their …

Understanding how the environment mediates an organism's ability to meet basic survival
requirements is a fundamental goal of ecology. Vessel noise is a global threat to marine …

Killer whales Orcinus orca are apex predators, and their health can indicate trophic
dynamics in ecosystems that support them. We used aerial photogrammetry to estimate …

Aerial photogrammetry has provided increased power for monitoring the health of
individuals in the endangered population of Southern Resident killer whales (SRKW …

The salmon-eating Southern Resident killer whale (SRKW)(Orcinus orca) population
currently comprises only 73 individuals, and is listed as 'endangered'under the Species at …