Kristin L Laidre
Biographic Data
| ID | 6021367 |
|---|---|
| NAME | Kristin L Laidre |
| GIVEN NAMES | Kristin L |
| FAMILY NAME | Laidre |
| SIGNATURE | LAIDRE K L |
| AFFILIATIONS | University of Washington |
| ORCID | 0000-0002-2787-650X |
| VERIFIED | Yes |
| TOTAL WORKS | 12 |
| TOTAL CITATIONS | 3 |
| AUTHOR COUNT | 12 |
| EDITOR COUNT | 0 |
| FIRST PUBLICATION YEAR | 2003 |
| LATEST PUBLICATION YEAR | 2022 |
| H-INDEX | 1 |
Using Visual Observations to Compare the Behavior of Previously Immobilized and Non-Immobilized Wild Polar Bears
During 17 field seasons between 1973 and 1999, we conducted a long-term study of the behavior of undisturbed wild polar bears in Radstock Bay, southwest Devon Island, Nunavut. In a subset of 11 seasons (6 spring and 5 summer) between 1975 and 1997, we used three different drug combinations to chemically immobilize a small number of adult and subadult polar bears on an opportunistic basis and applied a temporary dye mark so that individual bears c…
Do Wild Polar Bears ( Ursus maritimus ) Use Tools When Hunting Walruses ( Odobenus rosmarus )
Since the late 1700s, reports of polar bears (Ursus maritimus) using tools (i.e., pieces of ice or stones) to kill walruses (Odobenus rosmarus) have been passed on verbally to explorers and naturalists by their Inuit guides, based on local traditional ecological knowledge (TEK) as well as accounts of direct observations or interpretations of tracks in the snow made by the Inuit hunters who reported them. To assess the possibility that polar bears…
Walruses and the walrus hunt in West and Northwest Greenland
The catch of Atlantic walrus (Odobenus rosmarus rosmarus) is an important element of the traditional marine hunting culture of West and Northwest Greenland where walruses have been caught for subsistence for millennia. However, quotas were only introduced in 2006 for the take of walruses in Greenland. Since the early 1990s the sea ice cover has decreased markedly on the walrus hunting grounds in West and Northwest Greenland. These changes have pr…
Identification of Potential Foraging Areas for Bowhead Whales in Baffin Bay and Adjacent Waters
The bowhead whale (Balaena mysticetus) is the Arctic’s largest and most dependent predator on zooplankton; however, knowledge about its important foraging areas in Baffin Bay and adjacent waters is limited. Data on movement, horizontal velocity (ms-1), dive depth (m), and dive rate (dives h-1) were obtained from 39 bowhead whales (31 females, 6 males, and 2 of undetermined sex) instrumented with satellite-linked time-depth recorders (SLTDRs) in s…
The Utility of Harvest Recoveries of Marked Individuals to Assess Polar Bear ( Ursus maritimus ) Survival
Management of polar bear (Ursus maritimus) populations requires the periodic assessment of life history metrics such as survival rate. This information is frequently obtained during short-term capture and marking efforts (e.g., over the course of three years) that result in hundreds of marked bears remaining in the population after active marking is finished. Using 10 additional years of harvest recovery subsequent to a period of active marking, …
Polar Bears
Polar bears in Northwest Greenland
In February 2006, 72 experienced polar bear hunters living in the Qaanaaq (25) and Upernavik (47) municipalities (Northwest Greenland) were interviewed. Hunters were asked about polar bear biology, polar bear catch, climate change, and the effect of these changes on the polar bears and the catch. The rationale for this study was the indication from hunting statistics, satellite telemetry and second hand reports that the catch of polar bears in No…
Movements and Area Use of Belugas, Delphinapterus leucas , in a Subarctic Alaskan Estuary
Seasonal movements of 14 belugas in Cook Inlet, Alaska, were monitored by satellite telemetry between July and March in 2000–03. Whales used waters in the upper Cook Inlet intensively between summer and late autumn and dispersed to mid-inlet offshore waters during winter months. All whales remained in Cook Inlet the entire time they were tracked, and several whales were tracked through March. During summer and early fall, movements were clearly c…
Resighting of a Narwhal ( Monodon monoceros ) Instrumented with a Satellite Transmitter
On 9 August 2001, a male narwhal (Monodon monoceros) was instrumented with a satellite transmitter attached to the dorsal side of the tusk in Creswell Bay on Somerset Island in the Canadian High Arctic. The whale was identified five years later, on 22 June 2006, in a photo of a group of narwhals taken from the ice edge in Lancaster Sound. Examination of the position of the transmitter on the tusk showed that the tusk had grown approximately 17 cm…
Declining Extent of Open-water Refugia for Top Predators in Baffin Bay and Adjacent Waters
Global climate change is expected to severely impact Arctic ecosystems, yet predictions of impacts are complicated by region-specific patterns and nonuniform trends. Twentyfour open-water overwintering areas (or “microhabitats”) were identified to be of particular importance for eight seabird and marine mammal species in the eastern Canadian High Arctic and Baffin Bay. Localized trends in the available fraction of open-water were examined in Marc…
Declining Extent of Open-water Refugia for Top Predators in Baffin Bay and Adjacent Waters
Global climate change is expected to severely impact Arctic ecosystems, yet predictions of impacts are complicated by region-specific patterns and nonuniform trends. Twentyfour open-water overwintering areas (or "microhabitats") were identified to be of particular importance for eight seabird and marine mammal species in the eastern Canadian High Arctic and Baffin Bay. Localized trends in the available fraction of open-water were examined in Marc…
From Greenland to Canada in Ten Days
Five bowhead whales (Balaena mysticetus) were instrumented with satellite transmitters in northwestern Disko Bay, West Greenland, in May 2001. Best results were obtained when tags were deployed with a pole rather than a pneumatic gun. At least three of the tagged whales remained in the northwestern part of the bay for one to two weeks after tagging. A male and a female whale moved from Disko Bay to northern Canada. They left Disko Bay 11 days apa…
Declining Extent of Open-water Refugia for Top Predators in Baffin Bay and Adjacent Waters
Global climate change is expected to severely impact Arctic ecosystems, yet predictions of impacts are complicated by region-specific patterns and nonuniform trends. Twentyfour open-water overwintering areas (or "microhabitats") were identified to be of particular importance for eight seabird and marine mammal species in the eastern Canadian High Arctic and Baffin Bay. Localized trends in the available fraction of open-water were examined in Marc…
From Greenland to Canada in Ten Days
Five bowhead whales (Balaena mysticetus) were instrumented with satellite transmitters in northwestern Disko Bay, West Greenland, in May 2001. Best results were obtained when tags were deployed with a pole rather than a pneumatic gun. At least three of the tagged whales remained in the northwestern part of the bay for one to two weeks after tagging. A male and a female whale moved from Disko Bay to northern Canada. They left Disko Bay 11 days apa…
Declining Extent of Open-water Refugia for Top Predators in Baffin Bay and Adjacent Waters
Global climate change is expected to severely impact Arctic ecosystems, yet predictions of impacts are complicated by region-specific patterns and nonuniform trends. Twentyfour open-water overwintering areas (or “microhabitats”) were identified to be of particular importance for eight seabird and marine mammal species in the eastern Canadian High Arctic and Baffin Bay. Localized trends in the available fraction of open-water were examined in Marc…
Declining Extent of Open-water Refugia for Top Predators in Baffin Bay and Adjacent Waters
Global climate change is expected to severely impact Arctic ecosystems, yet predictions of impacts are complicated by region-specific patterns and nonuniform trends. Twentyfour open-water overwintering areas (or "microhabitats") were identified to be of particular importance for eight seabird and marine mammal species in the eastern Canadian High Arctic and Baffin Bay. Localized trends in the available fraction of open-water were examined in Marc…
Resighting of a Narwhal ( Monodon monoceros ) Instrumented with a Satellite Transmitter
On 9 August 2001, a male narwhal (Monodon monoceros) was instrumented with a satellite transmitter attached to the dorsal side of the tusk in Creswell Bay on Somerset Island in the Canadian High Arctic. The whale was identified five years later, on 22 June 2006, in a photo of a group of narwhals taken from the ice edge in Lancaster Sound. Examination of the position of the transmitter on the tusk showed that the tusk had grown approximately 17 cm…
Movements and Area Use of Belugas, Delphinapterus leucas , in a Subarctic Alaskan Estuary
Seasonal movements of 14 belugas in Cook Inlet, Alaska, were monitored by satellite telemetry between July and March in 2000–03. Whales used waters in the upper Cook Inlet intensively between summer and late autumn and dispersed to mid-inlet offshore waters during winter months. All whales remained in Cook Inlet the entire time they were tracked, and several whales were tracked through March. During summer and early fall, movements were clearly c…
Polar bears in Northwest Greenland
In February 2006, 72 experienced polar bear hunters living in the Qaanaaq (25) and Upernavik (47) municipalities (Northwest Greenland) were interviewed. Hunters were asked about polar bear biology, polar bear catch, climate change, and the effect of these changes on the polar bears and the catch. The rationale for this study was the indication from hunting statistics, satellite telemetry and second hand reports that the catch of polar bears in No…
The Utility of Harvest Recoveries of Marked Individuals to Assess Polar Bear ( Ursus maritimus ) Survival
Management of polar bear (Ursus maritimus) populations requires the periodic assessment of life history metrics such as survival rate. This information is frequently obtained during short-term capture and marking efforts (e.g., over the course of three years) that result in hundreds of marked bears remaining in the population after active marking is finished. Using 10 additional years of harvest recovery subsequent to a period of active marking, …
Polar Bears
Identification of Potential Foraging Areas for Bowhead Whales in Baffin Bay and Adjacent Waters
The bowhead whale (Balaena mysticetus) is the Arctic’s largest and most dependent predator on zooplankton; however, knowledge about its important foraging areas in Baffin Bay and adjacent waters is limited. Data on movement, horizontal velocity (ms-1), dive depth (m), and dive rate (dives h-1) were obtained from 39 bowhead whales (31 females, 6 males, and 2 of undetermined sex) instrumented with satellite-linked time-depth recorders (SLTDRs) in s…
Walruses and the walrus hunt in West and Northwest Greenland
The catch of Atlantic walrus (Odobenus rosmarus rosmarus) is an important element of the traditional marine hunting culture of West and Northwest Greenland where walruses have been caught for subsistence for millennia. However, quotas were only introduced in 2006 for the take of walruses in Greenland. Since the early 1990s the sea ice cover has decreased markedly on the walrus hunting grounds in West and Northwest Greenland. These changes have pr…
Do Wild Polar Bears ( Ursus maritimus ) Use Tools When Hunting Walruses ( Odobenus rosmarus )
Since the late 1700s, reports of polar bears (Ursus maritimus) using tools (i.e., pieces of ice or stones) to kill walruses (Odobenus rosmarus) have been passed on verbally to explorers and naturalists by their Inuit guides, based on local traditional ecological knowledge (TEK) as well as accounts of direct observations or interpretations of tracks in the snow made by the Inuit hunters who reported them. To assess the possibility that polar bears…
Using Visual Observations to Compare the Behavior of Previously Immobilized and Non-Immobilized Wild Polar Bears
During 17 field seasons between 1973 and 1999, we conducted a long-term study of the behavior of undisturbed wild polar bears in Radstock Bay, southwest Devon Island, Nunavut. In a subset of 11 seasons (6 spring and 5 summer) between 1975 and 1997, we used three different drug combinations to chemically immobilize a small number of adult and subadult polar bears on an opportunistic basis and applied a temporary dye mark so that individual bears c…
Geography (12 works) · Biology (10 works) · Marine animal studies overview (9 works) · Geology (8 works) · Oceanography (8 works) · Bay (7 works) · Ecology (7 works) · Geology (7 works) · Oceanography (7 works) · Arctic (6 works)