Julia E. F. Stepanuk
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View article: Changes in the abundance and distribution of rorqual prey in the Northeast United States over four decades
Changes in the abundance and distribution of rorqual prey in the Northeast United States over four decades Open
The distribution, phenology, and population dynamics of species at multiple trophic levels have been impacted by climate change across a range of spatial scales. Upper trophic level species may be uniquely impacted through changes to prey …
View article: Changes in the abundance and distribution of rorqual prey in the Northeast United States over four decades
Changes in the abundance and distribution of rorqual prey in the Northeast United States over four decades Open
The distribution, phenology, and population dynamics of species at multiple trophic levels have been impacted by climate change across a range of spatial scales. Upper trophic level species may be uniquely impacted through changes to prey …
View article: Drone-based observations of scarring patterns in humpback whales (Megaptera novaeangliae) in the New York Bight provide insight into foraging behavior and anthropogenic threats
Drone-based observations of scarring patterns in humpback whales (Megaptera novaeangliae) in the New York Bight provide insight into foraging behavior and anthropogenic threats Open
Large whales face a range of threats, including vessel strikes and entanglement in fishing gear. Elevated humpback whale mortality, predominantly in juveniles, has occurred in the Northeast US since 2016. The New York Bight, a region with …
View article: Technology Gaps for Monitoring Birds and Marine Mammals at Offshore Wind Facilities
Technology Gaps for Monitoring Birds and Marine Mammals at Offshore Wind Facilities Open
With increased focus on offshore wind (OSW) as a renewable energy resource in the United States and elsewhere, there are concerns about OSW impacts to wildlife, particularly birds and marine mammals. This study identifies technology gaps a…
View article: Drone-based photogrammetry reveals differences in humpback whale body condition and mass across North Atlantic foraging grounds
Drone-based photogrammetry reveals differences in humpback whale body condition and mass across North Atlantic foraging grounds Open
Baleen whales are key consumers in marine ecosystems and can serve as ecosystem sentinels. Body condition, defined as an individual’s energy stores relative to its structural size, can provide a useful proxy for health in baleen whales. As…
View article: Divergent post-breeding spatial habitat use of Laysan and black-footed albatross
Divergent post-breeding spatial habitat use of Laysan and black-footed albatross Open
Understanding the at-sea movements of wide-ranging seabird species throughout their annual cycle is essential for their conservation and management. Habitat use and resource partitioning of Laysan ( Phoebastria immutabilis ) and black-foot…
View article: Assessing the accuracy of altitude estimates in avian biologging devices
Assessing the accuracy of altitude estimates in avian biologging devices Open
Advances in animal biologging technologies have greatly improved our understanding of animal movement and distribution, particularly for highly mobile species that travel across vast spatial scales. Assessing the accuracy of these devices …
View article: Subseasonal forecasts provide a powerful tool for dynamic marine mammal management
Subseasonal forecasts provide a powerful tool for dynamic marine mammal management Open
Adaptive approaches are needed to effectively manage dynamic marine systems, and ecological forecasts can help managers anticipate when and where conservation issues are likely to arise in the future. The recent development of subseasonal …
View article: Integrating <scp>3D</scp> models with morphometric measurements to improve volumetric estimates in marine mammals
Integrating <span>3D</span> models with morphometric measurements to improve volumetric estimates in marine mammals Open
Studies of body condition are key to understanding the health, bioenergetics and ecological roles of marine mammals. Due to challenges in studying marine mammals at sea, body condition is often approximated using metrics representing the s…
View article: Site fidelity, population identity and demographic characteristics of humpback whales in the New York Bight apex
Site fidelity, population identity and demographic characteristics of humpback whales in the New York Bight apex Open
Humpback whales ( Megaptera novaeangliae ) exhibit maternally driven fidelity to feeding grounds, and yet occasionally occupy new areas. Humpback whale sightings and mortalities in the New York Bight apex (NYBA) have been increasing over t…
View article: Front Cover
Front Cover Open
The cover image is based on the Biodiversity Research Predicting fisheries bycatch: A case study and field test for pilot whales in a pelagic longline fishery by Lesley H. Thorne et al., DOI: 10.1111/ddi.12912. Image Credit: Will Cioffi, D…
View article: Predicting fisheries bycatch: A case study and field test for pilot whales in a pelagic longline fishery
Predicting fisheries bycatch: A case study and field test for pilot whales in a pelagic longline fishery Open
Aim Fisheries bycatch is a major threat to populations of protected species such as marine mammals, seabirds and sea turtles, and static management approaches are often unsuccessful in mitigating bycatch of these highly mobile species. Com…