Zobrazeno 1 - 10
of 95
pro vyhledávání: '"M Bradley Hanson"'
Autor:
Joseph K Gaydos, Judy St Leger, Stephen Raverty, Hendrik Nollens, Martin Haulena, Eric J Ward, Candice K Emmons, M Bradley Hanson, Ken Balcomb, Dave Ellifrit, Michael N Weiss, Deborah Giles
Publikováno v:
PLoS ONE, Vol 18, Iss 6, p e0286551 (2023)
Photographic identification catalogs of individual killer whales (Orcinus orca) over time provide a tool for remote health assessment. We retrospectively examined digital photographs of Southern Resident killer whales in the Salish Sea to characteriz
Externí odkaz:
https://doaj.org/article/1a81f49823a34a96876f2beaa0d96192
Autor:
M Bradley Hanson, Candice K Emmons, Michael J Ford, Meredith Everett, Kim Parsons, Linda K Park, Jennifer Hempelmann, Donald M Van Doornik, Gregory S Schorr, Jeffrey K Jacobsen, Mark F Sears, Maya S Sears, John G Sneva, Robin W Baird, Lynne Barre
Publikováno v:
PLoS ONE, Vol 16, Iss 3, p e0247031 (2021)
Understanding diet is critical for conservation of endangered predators. Southern Resident killer whales (SRKW) (Orcinus orca) are an endangered population occurring primarily along the outer coast and inland waters of Washington and British Columbia
Externí odkaz:
https://doaj.org/article/7098856fc64b42fdbfc2405e9101e13f
Autor:
Stephen Raverty, Judy St Leger, Dawn P Noren, Kathy Burek Huntington, David S Rotstein, Frances M D Gulland, John K B Ford, M Bradley Hanson, Dyanna M Lambourn, Jessie Huggins, Martha A Delaney, Lisa Spaven, Teri Rowles, Lynne Barre, Paul Cottrell, Graeme Ellis, Tracey Goldstein, Karen Terio, Debbie Duffield, Jim Rice, Joseph K Gaydos
Publikováno v:
PLoS ONE, Vol 15, Iss 12, p e0242505 (2020)
Understanding health and mortality in killer whales (Orcinus orca) is crucial for management and conservation actions. We reviewed pathology reports from 53 animals that stranded in the eastern Pacific Ocean and Hawaii between 2004 and 2013 and used
Externí odkaz:
https://doaj.org/article/bcf75c1bd79c4fd0bcca186058cb9724
Autor:
Amy M. Van Cise, M. Bradley Hanson, Candice Emmons, Dan Olsen, Craig O. Matkin, Abigail H. Wells, Kim M. Parsons
Publikováno v:
Royal Society Open Science, Vol 11, Iss 9 (2024)
Highly social top marine predators, including many cetaceans, exhibit culturally learned ecological behaviours such as diet preference and foraging strategy that can affect their resilience to competition or anthropogenic impacts. When these species
Externí odkaz:
https://doaj.org/article/8a4201c9b4c2437aabbe6f30c2fe4208
Autor:
Michael J Ford, Jennifer Hempelmann, M Bradley Hanson, Katherine L Ayres, Robin W Baird, Candice K Emmons, Jessica I Lundin, Gregory S Schorr, Samuel K Wasser, Linda K Park
Publikováno v:
PLoS ONE, Vol 11, Iss 1, p e0144956 (2016)
Estimating diet composition is important for understanding interactions between predators and prey and thus illuminating ecosystem function. The diet of many species, however, is difficult to observe directly. Genetic analysis of fecal material colle
Externí odkaz:
https://doaj.org/article/0e4829b99db64080a569c194e4d39e0e
Autor:
Juliana Houghton, Marla M Holt, Deborah A Giles, M Bradley Hanson, Candice K Emmons, Jeffrey T Hogan, Trevor A Branch, Glenn R VanBlaricom
Publikováno v:
PLoS ONE, Vol 10, Iss 12, p e0140119 (2015)
Whale watching has become increasingly popular as an ecotourism activity around the globe and is beneficial for environmental education and local economies. Southern Resident killer whales (Orcinus orca) comprise an endangered population that is freq
Externí odkaz:
https://doaj.org/article/59b7269da1da4f0db18bdd27f1dc3894
Autor:
Katherine L Ayres, Rebecca K Booth, Jennifer A Hempelmann, Kari L Koski, Candice K Emmons, Robin W Baird, Kelley Balcomb-Bartok, M Bradley Hanson, Michael J Ford, Samuel K Wasser
Publikováno v:
PLoS ONE, Vol 7, Iss 6, p e36842 (2012)
Managing endangered species often involves evaluating the relative impacts of multiple anthropogenic and ecological pressures. This challenge is particularly formidable for cetaceans, which spend the majority of their time underwater. Noninvasive phy
Externí odkaz:
https://doaj.org/article/c65b4bc15f2a49368dc2668a5cb10ce3
Autor:
Laura M. Bliss, Jeannette E. Zamon, Gail K. Davoren, M. Bradley Hanson, Dawn P. Noren, Candice Emmons, Marla M. Holt
Publikováno v:
Frontiers in Marine Science, Vol 11 (2024)
IntroductionEastern Boundary Upwelling Systems are some of the most productive marine ecosystems in the world. Little is known about habitat associations and spatial distributions of marine predators during seasonal periods of low productivity becaus
Externí odkaz:
https://doaj.org/article/0b8e952f1ac24b0ebb9d4ab7ef353f85
Autor:
John Calambokidis, Michaela A. Kratofil, Daniel M. Palacios, Barbara A. Lagerquist, Gregory S. Schorr, M. Bradley Hanson, Robin W. Baird, Karin A. Forney, Elizabeth A. Becker, R. Cotton Rockwood, Elliott L. Hazen
Publikováno v:
Frontiers in Marine Science, Vol 11 (2024)
Here we update U.S. West Coast Biologically Important Areas (BIAs) that were published in 2015 using new data and approaches. Additionally, BIAs were delineated for two species that were not delineated in the 2015 BIAs: fin whales and Southern Reside
Externí odkaz:
https://doaj.org/article/86dfe37f6bae464a92691fc40cbaafeb
Autor:
Gregory S. Schorr, M. Bradley Hanson, Erin A. Falcone, Candice K. Emmons, Susan M. Jarvis, Russel D. Andrews, Eric M. Keen
Publikováno v:
Frontiers in Marine Science, Vol 9 (2022)
The Pacific Offshore killer whale population is currently listed as data deficient on the IUCN Red List and Threatened in Canada. The population is estimated at 300 individuals with a range extending from Southern California to the Aleutian Islands i
Externí odkaz:
https://doaj.org/article/1e77b11f412a46de9944c956c860600b