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・ Douglas Greenberg
・ Douglas Greenwald
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Douglas H. Chadwick
・ Douglas H. Cooper
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・ Douglas H. Ginsburg
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・ Douglas H. Johnston
・ Douglas H. Paal
・ Douglas H. Parker
・ Douglas H. Ring
・ Douglas H. Turner
・ Douglas H. Ubelaker
・ Douglas H. Wheelock
・ Douglas Hacking, 1st Baron Hacking
・ Douglas Hagerman
・ Douglas Hague


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Douglas H. Chadwick : ウィキペディア英語版
Douglas H. Chadwick

Douglas H. Chadwick (born 1948) is an American wildlife biologist, author, photographer and frequent National Geographic contributor. He is a past officer and member of the board of The Vital Ground Foundation, and chairman of that organization's Lands Committee, responsible for choosing acquisition properties as part of the Yellowstone to Yukon wildlife corridor system. Chadwick is also a director of the Gobi Bear Fund, part of the Gobi Bear Initiative,〔("Golden Grizzlies of the Gobi" Bare Essentials Magazine, January/February, 2012 )〕 which attempts to restore population of this most endangered of all the yellow bears.
Chadwick's affiliation with National Geographic spans more than thirty-five years and more than fifty articles from the first in 1977〔Douglas H. Chadwick, "The Flathead National Wild and Scenic River" ''National Geographic,'' July, 1977.
〕 up to assignments in 2013 for articles on cougars, wolverines and Gobi bears.
== Single species studies ==
Chadwick's research involves multi-year projects of extended close observation in species habitat, trapping, radio collar tracking, mapping, and studies of community relationships. In this manner, he has studied wolverines〔Chadwick, D.H., ''The Wolverine Way,'' Patagonia Books, 2010.〕 in the northwestern U.S. and Canada, mountain goats〔''A Beast the Color of Winter''. Sierra Club Books, 1983. The natural history, ecology, and behavior of the mountain goat. 208pp.〕 and grizzlies〔“The Great Bear Count” ''Defenders of Wildlife,'' Spring, 2009. Census of grizzlies in the Northern Continental Divide Ecosystem.〕 in the Rockies, and elephants〔''The Fate of the Elephant.'' Sierra Club Books, 1992. British Edition by Viking/Penguin. Selected as one of the Best Books of the Year by the New York Times Book Review. 492pp.〕 in Africa.

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