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The Arctic climate is changing. Permafrost is warming, hydrological processes are changing and biological and social systems are also evolving in response to these changing conditions. Knowing how the structure and function of arctic terrestrial ecosystems are responding to recent and persistent climate change is paramount to understanding the future state of the Earth system and how humans will need to adapt. Our holistic review presents a broad array of evidence that illustrates convincingly; the Arctic is undergoing a system-wide response to an altered climatic state. New extreme and seasonal surface climatic conditions are being experienced, a range of biophysical states and processes influenced by the threshold...
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The NRC report reached 17 conclusions and associated recommendations, most of which urged that predator management efforts have a more cautious, research-based, conservative, experimental, and adaptive approach that included public involvement and economic evaluations (NRC 1997). MANAGEMENT IMPLICATIONS Because predator reduction in Alaska has been mandated by a state statute since 1994, ADFG biologists who may be concerned about the widespread nature of efforts to reduce grizzly bear abundance have limited ability to change management direction or emphasis.
    map background search result map search result map Winter habitat selection by caribou in relation to lichen abundance, wildfires, grazing, and landscape characteristics in northwest Alaska Evidence and Implications of Recent Climate Change in Northern Alaska and Other Arctic Regions Evidence and Implications of Recent Climate Change in Northern Alaska and Other Arctic Regions Winter habitat selection by caribou in relation to lichen abundance, wildfires, grazing, and landscape characteristics in northwest Alaska