Search Results - "Laidre, Kristin"

Icing-related injuries in polar bears (Ursus maritimus) at high latitudes by Laidre, Kristin L, Atkinson, Stephen N

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Sea-ice indicators of polar bear habitat by Stern, Harry L, Laidre, Kristin L

“…Nineteen subpopulations of polar bears (Ursus maritimus) are found throughout the circumpolar Arctic, and in all regions they depend on sea ice as a platform…”
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A novel method for identifying behavioural changes in animal movement data by Gurarie, Eliezer, Andrews, Russel D., Laidre, Kristin L.

“…A goal of animal movement analysis is to reveal behavioural mechanisms by which organisms utilize complex and variable environments. Statistical analysis of…”
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Vulnerability of Arctic marine mammals to vessel traffic in the increasingly ice-free Northwest Passage and Northern Sea Route by Hauser, Donna D. W., Laidre, Kristin L., Stern, Harry L.

“…The fabled Northwest Passage and Northern Sea Route that were once the quests of early Western explorers are now increasingly sea ice–free, with routine vessel…”
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Arctic marine mammal population status, sea ice habitat loss, and conservation recommendations for the 21st century by Laidre, Kristin L, Stern, Harry, Kovacs, Kit M, Lowry, Lloyd, Moore, Sue E, Regehr, Eric V, Ferguson, Steven H, Wiig, Øystein, Boveng, Peter, Angliss, Robyn P, Born, Erik W, Litovka, Dennis, Quakenbush, Lori, Lydersen, Christian, Vongraven, Dag, Ugarte, Fernando

“…Arctic marine mammals (AMMs) are icons of climate change, largely because of their close association with sea ice. However, neither a circumpolar assessment of…”
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Historical and potential future importance of large whales as food for polar bears by Laidre, Kristin L, Stirling, Ian, Estes, James A, Kochnev, Anatoly, Roberts, Jason

“…Polar bears (Ursus maritimus) are expected to be adversely impacted by a warming Arctic due to melting of the sea-ice platform from which they hunt…”
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Vertical sonar beam width and scanning behavior of wild belugas (Delphinapterus leucas) in West Greenland by Zahn, Marie J, Laidre, Kristin L, Stilz, Peter, Rasmussen, Marianne H, Koblitz, Jens C

“…Echolocation signals of wild beluga whales ( Delphinapterus leucas ) were recorded in 2013 using a vertical, linear 16-hydrophone array at two locations in the…”
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Interrelated ecological impacts of climate change on an apex predator by Laidre, Kristin L., Atkinson, Stephen, Regehr, Eric V., Stern, Harry L., Born, Erik W., Wiig, Øystein, Lunn, Nicholas J., Dyck, Markus

“…Climate change has broad ecological implications for species that rely on sensitive habitats. For some top predators, loss of habitat is expected to lead to…”
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Habitat selection by two beluga whale populations in the Chukchi and Beaufort seas by Hauser, Donna D W, Laidre, Kristin L, Stern, Harry L, Moore, Sue E, Suydam, Robert S, Richard, Pierre R

“…There has been extensive sea ice loss in the Chukchi and Beaufort seas where two beluga whale (Delphinapterus leucas) populations occur between July-November…”
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Grounded icebergs as maternity denning habitat for polar bears (Ursus maritimus) in North and Northeast Greenland by Laidre, Kristin L., Stirling, Ian

“…This study provides the first documentation of polar bear ( Ursus maritimus ) maternity denning in snowdrifts around icebergs frozen into the fast ice or…”
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The polar regions in a 2°C warmer world by Post, Eric, Alley, Richard B, Christensen, Torben R, Macias-Fauria, Marc, Forbes, Bruce C, Gooseff, Michael N, Iler, Amy, Kerby, Jeffrey T, Laidre, Kristin L, Mann, Michael E, Olofsson, Johan, Stroeve, Julienne C, Ulmer, Fran, Virginia, Ross A, Wang, Muyin

“…Over the past decade, the Arctic has warmed by 0.75°C, far outpacing the global average, while Antarctic temperatures have remained comparatively stable. As…”
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Accurate species classification of Arctic toothed whale echolocation clicks using one-third octave ratios by Zahn, Marie J., Ladegaard, Michael, Simon, Malene, Stafford, Kathleen M., Sakai, Taiki, Laidre, Kristin L.

“…Passive acoustic monitoring has been an effective tool to study cetaceans in remote regions of the Arctic. Here, we advance methods to acoustically identify…”
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Decadal shifts in autumn migration timing by Pacific Arctic beluga whales are related to delayed annual sea ice formation by Hauser, Donna D. W., Laidre, Kristin L., Stafford, Kathleen M., Stern, Harry L., Suydam, Robert S., Richard, Pierre R.

“…Migrations are often influenced by seasonal environmental gradients that are increasingly being altered by climate change. The consequences of rapid changes in…”
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Highly Directional Sonar Beam of Narwhals (Monodon monoceros) Measured with a Vertical 16 Hydrophone Array by Koblitz, Jens C, Stilz, Peter, Rasmussen, Marianne H, Laidre, Kristin L

“…Recordings of narwhal (Monodon monoceros) echolocation signals were made using a linear 16 hydrophone array in the pack ice of Baffin Bay, West Greenland in…”
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Do trophic cascades affect the storage and flux of atmospheric carbon? An analysis of sea otters and kelp forests by Wilmers, Christopher C, Estes, James A, Edwards, Matthew, Laidre, Kristin L, Konar, Brenda

“…We combine data collected from the past 40 years to estimate the indirect effects of sea otters ( Enhydra lutris ) on ecosystem carbon (C) production and…”
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Modeling climate change impacts on phenology and population dynamics of migratory marine species by Anderson, James J., Gurarie, Eliezer, Bracis, Chloe, Burke, Brian J., Laidre, Kristin L.

“…•We review literature of climate change impacts on migratory marine species.•Emphasized phenology adaption by genetic and phenotypic plasticity…”
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Sea surface temperature predicts the movements of an Arctic cetacean: the bowhead whale by Chambault, Philippine, Albertsen, Christoffer Moesgaard, Patterson, Toby A., Hansen, Rikke G., Tervo, Outi, Laidre, Kristin L., Heide-Jørgensen, Mads Peter

“…The effects of climate change constitute a major concern in Arctic waters due to the rapid decline of sea ice, which may strongly alter the movements and…”
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Quantifying the Sensitivity of Arctic Marine Mammals to Climate-Induced Habitat Change by Laidre, Kristin L., Stirling, Ian, Lowry, Lloyd F., Wiig, Øystein, Heide-Jørgensen, Mads Peter, Ferguson, Steven H.

“…We review seven Arctic and four subarctic marine mammal species, their habitat requirements, and evidence for biological and demographic responses to climate…”
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First recorded ice entrapment of a beluga whale (Delphinapterus leucas) in east Greenland by Laidre, Kristin L., Ware, Jasmine, Zahn, Marie, Hegelund, Peter, Aars, Jon

“…Beluga whales are rare along the coast of east Greenland and the closest recognized stock occurs around Svalbard. Here we report on an ice entrapment of an…”
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Glacial ice supports a distinct and undocumented polar bear subpopulation persisting in late 21st-century sea-ice conditions by Laidre, Kristin L., Supple, Megan A., Born, Erik W., Regehr, Eric V., Wiig, Øystein, Ugarte, Fernando, Aars, Jon, Dietz, Rune, Sonne, Christian, Hegelund, Peter, Isaksen, Carl, Akse, Geir B., Cohen, Benjamin, Stern, Harry L., Moon, Twila, Vollmers, Christopher, Corbett-Detig, Russ, Paetkau, David, Shapiro, Beth

“…Polar bears are susceptible to climate warming because of their dependence on sea ice, which is declining rapidly. We present the first evidence for a…”
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