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Article
Rob Williams, Auteur ; Len Thomas, AuteurTop predators are often rare, subject to anthropogenic mortality, and possess life-history traits that make them inherently vulnerable to extinction. IUCN criteria recognise populations as Critically Endangered when abundance is
Article
Rob Williams, Auteur ; David Lusseau, Auteur ; Philip S. Hammond, AuteurThis study examined the activities of "northern resident" killer whales (Orcinus orca) in Johnstone Strait, British Columbia, Canada, in July and August, from 1995 to 2002. Disturbance from boat traffic has been identified as a conservation conc[...]
Article
Julian A. Tyne, Auteur ; Neil R. Loneragan, Auteur ; David W. Johnston, Auteur ; Kenneth H. Pollock, Auteur ; Rob Williams, Auteur ; Lars Bejder, AuteurWith increasing human pressures on wildlife comes a responsibility to monitor them effectively, particularly in an environment of declining research funds. Scarce funding resources compromise the level and efficacy of monitoring possible to dete[...]
Article
Rob Williams, Auteur ; David Lusseau, Auteur ; Philip S. Hammond, AuteurProtected areas are often proposed as tools for conserving endangered populations of marine megafauna. Our study area includes a voluntary no-entry reserve embedded within wider critical habitat for Threatened 'northern resident' killer whales u[...]
Article
Rob Williams, Auteur ; Jeffrey E. Moore, Auteur ; Catalina Gomez-Salazar, Auteur ; Fernando Trujillo, Auteur ; Louise Burt, AuteurRivers worldwide, particularly in tropical regions, support multiple human uses that can threaten water security and cause species decline. Some tropical rivers are home to obligate freshwater cetaceans (river dolphins) that are vulnerable to ex[...]
