Search Results - "Dahlheim, Marilyn"

Water, water everywhere: environmental DNA can unlock population structure in elusive marine species by Parsons, Kim M., Everett, Meredith, Dahlheim, Marilyn, Park, Linda

“…Determining management units for natural populations is critical for effective conservation and management. However, collecting the requisite tissue samples…”
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Interactions, injuries, and mortalities of killer whales (Orcinus orca) observed during fishing operations in Alaska by Dahlheim, Marilyn E, Cahalan, Jennifer, Breiwick, Jeffrey M

“…Fishery observer records from 2001 through 2016 were examined to document interactions, injuries, and mortalities of killer whales (Orcinus orca) associated…”
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Evolution of Population Structure in a Highly Social Top Predator, the Killer Whale by Hoelzel, A. Rus, Hey, Jody, Dahlheim, Marilyn E., Nicholson, Colin, Burkanov, Vladimir, Black, Nancy

“…Intraspecific resource partitioning and social affiliations both have the potential to structure populations, though it is rarely possible to directly assess…”
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Concentrations and profiles of organochlorine contaminants in North Pacific resident and transient killer whale (Orcinus orca) populations by Lawson, Teresa M., Ylitalo, Gina M., O'Neill, Sandra M., Dahlheim, Marilyn E., Wade, Paul R., Matkin, Craig O., Burkanov, Vladimir, Boyd, Daryle T.

“…Organochlorine (OC) profiles have been used as chemical “fingerprints” to infer an animal's foraging area. North Pacific killer whale (Orcinus orca)…”
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Quantifying variation in killer whale (Orcinus orca) morphology using elliptical Fourier analysis by Emmons, Candice K., Hard, Jeffrey J., Dahlheim, Marilyn E., Waite, Janice M.

“…In the northeastern Pacific Ocean, there are three “ecotypes” of killer whales that differ in diet, ecology, behavior, acoustics, genetics, and morphology…”
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Killer Whale Nuclear Genome and mtDNA Reveal Widespread Population Bottleneck during the Last Glacial Maximum by Moura, Andre E., Janse van Rensburg, Charlene, Pilot, Malgorzata, Tehrani, Arman, Best, Peter B., Thornton, Meredith, Plön, Stephanie, de Bruyn, P.J. Nico, Worley, Kim C., Gibbs, Richard A., Dahlheim, Marilyn E., Hoelzel, Alan Rus

“…Ecosystem function and resilience is determined by the interactions and independent contributions of individual species. Apex predators play a…”
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Population genomics of the killer whale indicates ecotype evolution in sympatry involving both selection and drift by Moura, Andre E, Kenny, John G, Chaudhuri, Roy, Hughes, Margaret A, J. Welch, Andreanna, Reisinger, Ryan R, Bruyn, P. J. Nico, Dahlheim, Marilyn E, Hall, Neil, Hoelzel, A. Rus

“…The evolution of diversity in the marine ecosystem is poorly understood, given the relatively high potential for connectivity, especially for highly mobile…”
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Use of chemical tracers in assessing the diet and foraging regions of eastern North Pacific killer whales by Krahn, Margaret M., Herman, David P., Matkin, Craig O., Durban, John W., Barrett-Lennard, Lance, Burrows, Douglas G., Dahlheim, Marilyn E., Black, Nancy, LeDuc, Richard G., Wade, Paul R.

“…Top predators in the marine environment integrate chemical signals acquired from their prey that reflect both the species consumed and the regions from which…”
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Eastern temperate North Pacific offshore killer whales (Orcinus orca): Occurrence, movements, and insights into feeding ecology by Dahlheim, Marilyn E, Schulman-Janiger, Alisa, Black, Nancy, Ternullo, Richard, Ellifrit, Dave, Balcomb III, Kenneth C

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Temporal changes in abundance of harbor porpoise (Phocoena phocoena) inhabiting the inland waters of Southeast Alaska by Dahlheim, Marilyn E, Zerbini, Alexandre N, Waite, Janice M, Kennedy, Amy S

“…Abundance of harbor porpoise (Phocoena phocoena) was estimated from data collected during vessel surveys conducted throughout the inland waters of Southeast…”
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Cetaceans of Southeast Alaska: distribution and seasonal occurrence by Dahlheim, Marilyn E, White, Paula A, Waite, Janice M

“…To assess the distribution, group size, seasonal occurrence and annual trends of cetaceans. The study area included all major inland waters of Southeast…”
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Low worldwide genetic diversity in the killer whale (Orcinus orca): implications for demographic history by Hoelzel, A. Rus, Natoli, Ada, Dahlheim, Marilyn E., Olavarria, Carlos, Baird, Robin W., Black, Nancy A.

“…A low level of genetic variation in mammalian populations where the census population size is relatively large has been attributed to various factors, such as…”
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Estimating abundance of killer whales in the nearshore waters of the Gulf of Alaska and Aleutian Islands using line-transect sampling by Zerbini, Alexandre N, Waite, Janice M, Durban, John W, LeDuc, Rick, Dahlheim, Marilyn E, Wade, Paul R

“…Killer whale (Orcinus orca Linnaeus, 1758) abundance in the North Pacific is known only for a few populations for which extensive longitudinal data are…”
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Interactions, injuries, and mortalities of killer whales (Orcinus orca): observed during fishing operations in Alaska: supplementary table 3 by Dahlheim, Marilyn E.

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Interactions, injuries, and mortalities of killer whales (Orcinus orca): observed during fishing operations in Alaska: supplementary table 1 by Dahlheim, Marilyn E.

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Interactions, injuries, and mortalities of killer whales (Orcinus orca): observed during fishing operations in Alaska: supplementary table 2 by Dahlheim, Marilyn E.

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KILLER WHALES AND MARINE MAMMAL TRENDS IN THE NORTH PACIFIC--A RE-EXAMINATION OF EVIDENCE FOR SEQUENTIAL MEGAFAUNA COLLAPSE AND THE PREY-SWITCHING HYPOTHESIS by Wade, Paul R, Burkanov, Vladimir N, Dahlheim, Marilyn E, Friday, Nancy A, Fritz, Lowell W, Loughlin, Thomas R, Mizroch, Sally A, Muto, Marcia M, Rice, Dale W, Barrett-Lennard, Lance G, Black, Nancy A, Burdin, Alexander M, Calambokidis, John, Cerchio, Sal, Ford, John K.B, Jacobsen, Jeff K, Matkin, Craig O, Matkin, Dena R, Mehta, Amee V, Small, Robert J, Straley, Janice M, McCluskey, Shannon M, VanBlaricom, Glenn R, Clapham, Phillip J

“…Springer et al. (2003) contend that sequential declines occurred in North Pacific populations of harbor and fur seals, Steller sea lions, and sea otters. They…”
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Assessing age distributions of killer whale Orcinus orca populations from the composition of endogenous fatty acids in their outer blubber layers by Herman, DP, Matkin, CO, Ylitalo, GM, Durban, JW, Hanson, MB, Dahlheim, ME, Straley, JM, Wade, PR, Tilbury, KL, Boyer, RH, Pearce, RW, Krahn, MM

“…Knowledge of the age distributions of killer whale Orcinus orca populations is critical to assess their status and long-term viability. Except for accessible,…”
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An automated approach to detecting pulsive gray whale ( Eschrichtius   robustus ) vocalizations within acoustic data to estimate call rate changes over time in Laguna San Ignacio by Guerra, Melania, Thode, Aaron M., Dahlheim, Marilyn E., Urban, Jorge, Koltz, Amanda M.

“…Acoustic recordings of type 1b gray whale calls were made in San Ignacio Lagoon, during the wintering months of 2005 and 2006 when these animals were present…”
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Blue Whale Habitat Associations in the Northwest Pacific: analysis of remotely-sensed data using a Geographic Information System by Moore, Sue E., Watkins, William A., Daher, Mary Ann, Davies, Jeremy R., Dahlheim, Marilyn E.

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