A Little Less Arctic: Top Predators in the World's Largest Northern Inland Sea, Hudson Bay

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Steven H. Ferguson, Lisa L. Loseto, Mark L. Mallory
Springer Science & Business Media, May 30, 2010 - Science - 308 pages
In Arctic Canada, Hudson Bay is a site of great exploration history, aboriginal culture, and a vast marine wilderness supporting large populations of marine mammals and birds. These include some of the most iconic Arctic animals like beluga, narwhal, bowhead whales, and polar bears. Due to the challenges of conducting field research in this region, some of the mysteries of where these animals move, and how they are able to survive in such seemingly inhospitable, ice-choked habitats are just now being unlocked. For example, are polar bears being replaced by killer whales? This new information could not be more salient, as the Hudson Bay Region is undergoing rapid environmental change due to global warming, as well as increased pressures from industrial development interests. A Little Less Arctic brings together some of the world’s leading Arctic scientists to present the current state of knowledge on the physical and biological characteristics of Hudson Bay.
 

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Contents

Changing Sea Ice Conditions in Hudson Bay 19802005
39
Unique Dietary Habits
52
Migration Route and Seasonal Home Range of the Northern
71
Polar Bear Ecology and Management in Hudson
92
The Rise of Killer Whales as a Major Arctic Predator
117
Ecology in a Warming Climate
137
Past Present and Future for Bowhead Whales
159
Effects of Climate Change Altered SeaIce Distribution
176
Temporal Trends in Beluga Narwhal and Walrus
197
Past Present and Future
217
Understanding and Managing Wildlife in Hudson
266
New Directions and Research Needs
291
Index
305
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