Last edited by Kajimuro
Friday, April 24, 2020 | History

2 edition of Population ecology studies of the polar bear in the area of southeastern Baffin Island found in the catalog.

Population ecology studies of the polar bear in the area of southeastern Baffin Island

Ian Stirling

Population ecology studies of the polar bear in the area of southeastern Baffin Island

  • 85 Want to read
  • 27 Currently reading

Published by Canadian Wildlife Service in [Ottawa] .
Written in English

    Subjects:
  • Polar bear -- Nunavut -- Baffin Island.,
  • Mammal populations -- Nunavut -- Baffin Island.

  • Edition Notes

    StatementIan Stirling, Wendy Calvert, Dennis Andriashek.
    SeriesOccasional paper / Canadian Wildlife Service -- no. 44., Occasional paper (Canadian Wildlife Service) -- no. 44.
    ContributionsCalvert, Wendy., Andriashek, Dennis., Canadian Wildlife Service.
    The Physical Object
    Pagination33 p. :
    Number of Pages33
    ID Numbers
    Open LibraryOL16033102M
    ISBN 100662110978

    population ecology of polar bears in western Hudson Bay to long-term climatic warming in this area (Skinner et al., 1 ) and its possible effects on the timing of breakup and, thus, polar bears' access to seals. MATERIALS AND METHODS Determination of the .   An Arctic duck is at risk because polar bears have developed a newfound appetite for their eggs, scientists say. The eider populations in Nunavut and Nunavik, Que., are declining partly because. Spring Polar Bears and Icebergs of Baffin Island. A true Arctic adventure camping on the ice in Canada's High Arctic seeking out polar bears, their newborn cubs and the Northern Lights. A polar bear wanders along the ice-free shoreline of Wrangel Island in the Russian High Arctic in early August, subsisting on his fat reserves and waiting for sea ice to form again. Although in the past the ice remained near the island all year round, enabling bears to hunt for seals even in late summer, now the ice recedes far away toward the.


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Population ecology studies of the polar bear in the area of southeastern Baffin Island by Ian Stirling Download PDF EPUB FB2

Get this from a library. Population ecology studies of the polar bear in the area of southeastern Baffin Island. [Ian Stirling; Dennis Andriashek; Wendy Calvert; Canadian Wildlife Service.] -- Mark and recapture data suggests a population size of Baffin Island (Inuktitut: ᕿᑭᖅᑖᓗᒃ, Qikiqtaaluk IPA: [qikiqtaːluk], French: Île de Baffin, Terre de Baffin), in the Canadian territory of Nunavut, is the largest island in Canada and the fifth-largest island in the area iskm 2 (, sq mi) and its population is ab ( census).

It is located in the region of 70° N and 75° on: Northern Canada. the population ecology of the polar bears in the area of Hudson Strait, southeastern Baffin Island, Ungava Bay and the Labrador coast with a view toward developing a more effective management plan for the bears in that area.

This paper reports the results of new research conducted along the northern Labrador coast. Where applicable,File Size: 1MB.

The population ecology of polar bears at Svalbard, Norway, was examined from to using live-captured animals. The mean age of both females and males increased over the study, litter production rate and natality declined and body length of adults decreased. Dynamics of body mass were suggestive of cyclical changes over time and variation in body mass of both adult females and Cited by:   A peer-reviewed paper published last year (Rode et al.

) compared body condition vs. sea ice changes in Davis Strait and Baffin Bay (discussed here).But while that research contributed to an updated population estimate for Davis Strait (Peacock et al.discussed here), it did not do the same for Baffin is likely because the body condition work in Baffin Bay was split between.

PDF | On Jan 1,Ian Stirling and others published Stirling, I., W. Calvert, and D. Andriashek. Population ecology studies of the polar bear in the area of southeastern Baffin Island.

Loss of sea ice has had extensive individual and population-level impacts on polar bears (Ursus maritimus) across the Arctic because the species requires sea ice as a platform on which to hunt.

These impacts include declines in body condition, survival, and subpopulation size, and an increasing amount of time on land during summer in some areas.

This work aims to understand and quantify the. During the winter months in the Arctic regions, it is dark all day long, and the polar bear populations gather for the long winter months.

There are approximat polar bears in the wild, with about 60% of them found in Canada alone. Polar Bear Ecology. Polar bears are marvels of evolution.

Population ecology studies of the polar bear in the area of southeastern Baffin Island. Canadian Wildlife Service Occasional Pa Ottawa, Canada. Google ScholarCited by:   Population ecology studies of the polar bear in the area of southeastern Baffin Island.

Canadian Wildlife Service Occasional Paper Canadian Wildlife Service, Ottawa, Ontario, Canada. As a research scientist with the Canadian Wildlife Service and an Adjunct Professor at the University of Alberta, Dr.

Ian Stirling has studied the behaviour, population, ecology, and predator-prey relationships of polar bears for 40 years, longer than anyone else in the by: The Scientific Working Group report on Baffin Bay and Kane Basin polar bears was released online without fanfare last week, confirming what local Inuit have been saying for years: contrary to the assertions of Polar Bear Specialist Group scientists, Baffin Bay and Kane Basin subpopulations have not been declining but are stable.

Until recently, the B affin Bay (BB) and Kane Basin (KB. The Baffin Island Oil Spill Project. Edmonton, Alta: Environment Canada, Stirling, Ian, Wendy Calvert, and Dennis Andriashek. Population Ecology Studies of the Polar Bear in the Area of Southeastern Baffin Island. [Ottawa]: Canadian Wildlife Service, In Davis Strait, between Greenland and Baffin Island, the polar bear population has grown from animals in the late s to around 2, today.

In Foxe Basin — a portion of northern Hudson Bay — a population that was estimated to be 2, in the early s now stands at 2, This site includes a wealth of information including presentations from the last meeting, at Nuuk, Greenland, Junepopulation status and trends, a summary of the main issues facing polar bears (climate change, development, contaminants, and hunting), polar bear life history facts, members list and contacts, and a list of other pertinent.

Rode KD et al. – Frontiers in Ecology and the Environment 13 – Apr ; Arctic marine mammal population status, sea ice habitat loss, and conservation recommendations for the 21st century (pdf) Laidre K et al.

– Conservation Biology 00 – Mar ; Projected polar bear sea ice habitat in the Canadian Arctic archipelago. Here, we used mark–recapture models to investigate the population dynamics of polar bears in the southern Beaufort Sea from toyears during which the spatial and temporal extent of summer sea ice generally declined.

Low survival from through led to a 25–50% decline in by:   Population ecology studies of the polar bear in the area of southeastern Baffin Island. [Ottawa]: Canadian Wildlife Service. [Ottawa]: Canadian Wildlife Service.

Ursus arctos lasiotus. Canada is home to an estima polar bears, which account for the majority of the world’s population. The polar bear -- the world’s largest land carnivore -- is listed as a species of Author: Graham Slaughter.

Until recently, the sea ice habitat of polar bears was understood to be variable, but environmental variability was considered to be cyclic or random, rather than progressive. Harvested populations were believed to be at levels where density effects were considered not significant.

However, because we now understand that polar bear demography can also be influenced by progressive change in the. The population size estimated for the s was ± (mean and 95% CI). These estimates apply primarily to that segment of the NB population residing west and south of Banks Island.

The NB polar bear population appears to have been stable or possibly increasing slightly during the period of our study.

The polar bear (Ursus maritimus) is a hypercarnivorous bear whose native range lies largely within the Arctic Circle, encompassing the Arctic Ocean, its surrounding seas and surrounding land is a large bear, approximately the same size as the omnivorous Kodiak bear (Ursus arctos middendorffi).

A boar (adult male) weighs around – kg (–1, lb), while a sow (adult female Class: Mammalia. Re-Assessment of the Baffin Bay and Kane Basin Polar Bear Subpopulations: Final Report to the Canada-Greenland Joint Commission on Polar Bear. 31 July x + aerial survey was conducted over the sea ice of SE Baffin Island in spring to explore the Population Delineation of Baffin Bay and Kane Basin.

Polar bears, up close and personal 14 photos. Wildlife photographer Paul Nicklen recently documented a tragic scene on Baffin Island, Canada — a polar bear dying of starvation. Population ecology studies of the polar bear in the area of southeastern Baffin Island. [Ottawa]: Canadian Wildlife Service.

If people are interested in body mass data please review the following information from the EXTANT BEAR PROFILES (IN DEPTH) section: individual bear profiles or threads like Arctic & Northernmost Grizzly Bears (a. Emigration from Baffin Bay has declined since the s, especially with a reduction of bears moving from BB into Davis Strait and Lancaster Sound.

The total number of bears marked during studies in in BB was equivalent to ~34% of the estimated population size. White Bear of the North: WAPUSK. Photographs by Dennis Fast, text by Rebecca L. Grambo, published by Heartland Press. A lovely coffee table book with lots of beautiful photographs and text to compliment captures the life cycle of Canada’s best known polar bear population.

Heartlands Associates Inc. ISBN: 1. Population dynamics of western Arctic bowhead whales (Balaena mysticetus). Canadian Journal of Fish and Aquatic Science [27] Brodie, P.F., A reconsideration of aspects of growth, reproduction, and behavior of the white whale (Delphinapterus leucas), with reference to the Cumberland Sound, Baffin Island, population.

Polar Bears of the Arctic (Brrr. Polar Animals) Library Binding – January 1, byAuthor: Sara Swan Miller. Baffin Island Fun Facts: Baffin Island is the largest island in Canada and the fifth largest island on the planet. It has been inhabited for centuries by the Inuit People, yet only ab people call the island home.

Viking explorers are believed to have visited and traded with the Inuit before s: status. The size of the SBS polar bear population was first estimated to be approximately 1, animals in (Amstrup and others, ). Survival rates of adult females and dependent young were estimated from radiotelemetry data collected from the early s to the mids (Amstrup Polar Bear Population Status in the Southern Beaufort SeaFile Size: KB.

Canadian photographer’s video of emaciated polar bear on Baffin Island goes viral BAFFIN ISLAND, Nunavut A Canadian photographer is. Hunting & Ecosystem. Changing a creature’s environment changes the way they live.

A polar bear's life cycle is almost exclusively tied to sea ice. Sea-ice loss from climate change is the best known habitat threat to polar bears. Polar bears rely on the sea ice for hunting their seal prey and for traveling, breeding, and sometimes denning. In the most supported models, polar bear survival declined with an increasing number of days per year that waters over the continental shelf were ice free.

In –, the ice‐free period was relatively short (mean days) and adult female survival was high (096–099, depending on reproductive state).Cited by: The Baffin Mountains are a mountain range running along the northeastern coast of Baffin Island and Bylot Island, Nunavut are part of the Arctic ice-capped mountains are some of the highest peaks of eastern North America, reaching a height of 1,–2, metres (5,–7, ft) above sea level.

While they could be considered a single mountain range as they are separated by Parent range: Arctic Cordillera. The area can be defined as north of the Arctic Circle (66° 33'N), the approximate southern limit of the midnight sun and the polar night.

Another definition of the Arctic is the region where the average temperature for the warmest month (July) is below 10 °C (50 °F); the northernmost tree line roughly follows the isotherm at the boundary of.

Baffin Island Largest and most easterly island of the Canadian Arctic Archipelago, separated from Québec province by the Hudson Strait. It is the fifth-largest island in the world, with largely mountainous terrain and an almost entirely Inuit population. Area: ,sq km (,sq mi). Principal Findings.

Shifts away from multiyear ice to annual ice cover throughout the region, as well as lengthening ice-free periods, may become critical for polar bears before the end of the 21 st century with projected warming. Each polar bear population in the Archipelago may undergo 2–5 months of ice-free conditions, where no such conditions exist by: Environment confirmed Polar Bear Memoranda of Understanding (MOUs) which included the Baffin Bay polar bear population.

The Baffin Bay polar bear MOU increased the polar bear total allowable harvest (TAH) from 64 to for the communities that share this population (Qikiqtarjuaq, Clyde River and Pond Inlet) based on Inuit Knowledge (GN ).

Polar Bear Ecology by Great Bear Foundation, Missoula, MT. K likes. Conservation-based arctic ecology field courses by Great Bear Foundation Followers: K. The ecoregion, characterized primarily as a coastal plain, is situated on the central north coast of Baffin Island and is relatively small in area.

This ecoregion is characterized by a high arctic ecoclimate. The humid, cold arctic climate is marked by short, cold summers (mean temperature 1°C), and long, cold winters (mean temperature °C). Though polar bear sightings are common in the area, these close encounters with aggressive bears are not.

Refsnider’s advisor, PI Gifford Miller, has spent many seasons working on Baffin Island in the company of polar bears, but none of his stories compare to the events of Concern about polar bears culminated in the first inter-national meeting on the conservation of the polar bear in Fairbanks, Alaska, in (Anon., ).

Among other things, the five “polar bear” nations agreed to conduct a polar bear research program within their respective terri-tories and to exchange information freely.

The cooperative.