The grizzly bears of Yellowstone: their ecology in the Yellowstone ecosystem, 1959-1992

摘要: In 1959, John and Frank Craighead, along with a dedicated team of students professional colleagues, began their pioneering controversial study the grizzly bear in Yellowstone ecosystem. "The Grizzly Bears Yellowstone" is culmination that research. It captures both history science how evolved into lifelong battle to protect perpetuate bear.John J. Craighead his longtime research Jay S. Sumner A. Mitchell, have brought together years data detailing natural history, reproductive biology, social behavior, population dynamics, habitat use patterns ecosystem from 1959 through 1992, as well results complementary studies conducted by wilderness areas Montana Alaska. Their interpretations far-reaching management implications, not only for but holistic large regional ecosystems. This an example long-term ecological unparalleled its combination foresight, continuity effort, innovation field techniques, monumental scholarship.