
Eva StredulinskyFisheries and Oceans Canada | DFO · Pacific Biological Station
Eva Stredulinsky
Master of Science
About
23
Publications
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Introduction
Additional affiliations
Education
September 2013 - September 2016
September 2004 - April 2010
Publications
Publications (23)
Area-based protection is an important tool for safeguarding key habitat. Reserves that focus on mitigation of specific threats are particularly effective and are more likely to support a measurable outcome. In the marine environment, reserves that limit vessel presence have the potential to reduce disturbance to marine mammals. However, assessing t...
We present the current available knowledge about sexual behavior and mating systems in the killer whale, Orcinus orca , focusing primarily on the most well-studied ecotype, the Residents of the eastern North Pacific. Resident killer whales display lifetime natal philopatry of both sexes and thus form stable social groupings organized along maternal...
Understanding habitat use patterns of animal populations across space and time is fundamental to identifying ecological requirements, and informing threat mitigation and conservation strategies. Persistent data gaps tend to occur with cryptic species in difficult-to-access environments, where the use of appropriate monitoring tools is indispensable...
Primary threats to the endangered Southern Resident Killer Whale (SRKW) population are reduced prey availability, acoustic and physical disturbance, contaminants, and vessel strike. Successful threat mitigation is contingent on knowledge of spatiotemporal overlap of whale presence with areas of elevated risk.
A co-occurrence framework was used to i...
The Southern Resident Killer Whale (SRKW; Orcinus orca) population in Canadian Pacific waters is listed as Endangered under the Species at Risk Act. Efforts in support of recovery are underway from numerous government sectors, stakeholders, industry and others. Critical habitat has been identified for this population and includes the waters on the...
Like numerous species at risk, the resident killer whale populations of the Northeast Pacific are vulnerable to the cumulative effects of anthropogenic threats. A Pathways of Effects conceptual model summarised the current understanding of each threat (prey availability, acoustic and physical disturbance, and contaminants), threat interactions, and...
For animals that tend to remain with their natal group rather than individually disperse, group sizes may become too large to benefit individual fitness. In such cases, group splitting (or fission) allows philopatric animals to form more optimal group sizes without sacrificing all familiar social relationships. Although permanent group splitting is...
Routinely crossing international borders and/or persisting in populations across multiple countries, species are commonly subject to a patchwork of endangered species legislation. Canada and the United States share numerous endangered species; their respective acts, the Species at Risk Act (SARA) and the Endangered Species Act (ESA), require docume...
Understanding why females of some mammalian species cease ovulation prior to the end of life is a long-standing interdisciplinary and evolutionary challenge. In humans and some species of toothed whales, females can live for decades after stopping reproduction. This unusual life history trait is thought to have evolved, in part, due to the inclusiv...
Two sympatric populations of fish-eating Resident killer whales inhabit the coastal waters of British Columbia, Canada: Southern and Northern Resident killer whales. These populations are listed under Canada’s Species at Risk Act (SARA) as ‘endangered’ and ‘threatened’, respectively. Relatively little is known about their habitat use outside of the...
Two sympatric populations of fish-eating Resident killer whales inhabit the coastal waters of British Columbia, Canada: Southern and Northern Resident killer whales. These populations are listed under Canada’s Species at Risk Act (SARA) as ‘endangered’ and ‘threatened’, respectively. Relatively little is known about their habitat use outside of the...
The Northern and Southern Resident Killer Whale populations (NRKW and SRKW) that inhabit the waters of the Canadian Pacific coast are listed as Threatened (NRKW) and Endangered (SRKW) under the Species at Risk Act (SARA). The SARA recovery plan developed for these populations identified the assessment of the cumulative effects of anthropogenic thre...
Fin Whale distribution and habitat use in northern waters of British Columbia (BC) were investigated using a multi-scale study approach based on data collected by Fisheries and Oceans Canada’s Marine Mammal Research Section. Ship-based survey data were used to model Fin Whale distribution as a function of habitat features in Hecate Strait and Queen...
Two populations of fish-eating Killer Whales, Northern Resident and Southern Resident, inhabit waters off Canada’s west coast. The populations were listed under the Species at Risk Act (SARA) as Threatened and Endangered, respectively, in 2003. As required by the SARA, efforts have since been underway to identify critical habitat for these populati...
Group living is a social strategy adopted by many species, where individuals can exhibit long-term social affiliation with others, strengthened through cooperative behaviour and often kinship. For highly social mammals, changes in group membership may have significant consequences for the long-term viability and functioning of a population. Detecti...
The vast majority of social animals exhibit sex-biased dispersal as a strategy to reduce kin competition and avoid inbreeding. Piscivorous ‘resident’ killer whales, Orcinus orca, of the eastern North Pacific, however, are unusual in that both sexes remain philopatric throughout life, forming highly stable, multigeneration matrilines that are closed...
Mammal-eating transient killer whales off Canada’s Pacific coast are listed as Threatened under the Species-at-Risk Act. A Recovery Strategy for transient killer whales was prepared by DFO in 2007, but insufficient information was available to identify critical habitat in that document. Here we present an assessment of the habitat use and requireme...