Frank C. Craighead Jr.:Track of the Grizzly
- Pasta blanda ISBN: 0871563223
[SR: 1171473], Paperback, [EAN: 9780871563224], Sierra Club Books, Sierra Club Books, Book, [PU: Sierra Club Books], Sierra Club Books, Track of the Grizzly is the culmination of one of t… Más…
[SR: 1171473], Paperback, [EAN: 9780871563224], Sierra Club Books, Sierra Club Books, Book, [PU: Sierra Club Books], Sierra Club Books, Track of the Grizzly is the culmination of one of the most ambitious wildlife studies ever undertaken—the Craighead field study of the grizzly bears of the Rocky Mountains, carried out in Yellowstone National Park and the huge surrounding ecosystem, spanning three states.The grizzly once roamed North America as a coequal with early humans, its range stretching from the Mississippi to the Pacific and from Mexico to the Arctic. Today only remnant populations live in the contiguous United States; the Yellowstone grizzly community is the largest, but is ever threatened by proximity to people: their towns, camps, and garbage dumps.Over a period of thirteen years, beginning in 1959, Frank Craighead, his brother John, and their colleagues lived in the backcountry close to their subjects. Combining firsthand knowledge of the bears and their habitat with radio-tracking and other scientific techniques, they tracked hundreds of grizzlies to discover their social organization and seasonal movements, their breeding and feeding habits, and their life spans.This fascinating, seminal book provides an intimate and detailed portrait of the greatest carnivore in our hemisphere, a lesson in wildlife mismanagement, and a close-up look at the life and work of wildlife biologists in the field.<
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MUESTRA
Frank Craighead Jr.:Track of the Grizzly: Track Of The Grizzly -os
- libro nuevo ISBN: 9780871563224
Track of the Grizzly is the culmination of one of the most ambitious wildlife studies ever undertaken-the Craighead field study of the grizzly bears of the Rocky Mountains, carried out i… Más…
Track of the Grizzly is the culmination of one of the most ambitious wildlife studies ever undertaken-the Craighead field study of the grizzly bears of the Rocky Mountains, carried out in Yellowstone National Park and the huge surrounding ecosystem, spanning three states.The grizzly once roamed North America as a coequal with early humans, its range stretching from the Mississippi to the Pacific and from Mexico to the Arctic. Today only remnant populations live in the contiguous United States; the Yellowstone grizzly community is the largest, but is ever threatened by proximity to people: their towns, camps, and garbage dumps.Over a period of thirteen years, beginning in 1959, Frank Craighead, his brother John, and their colleagues lived in the backcountry close to their subjects. Combining firsthand knowledge of the bears and their habitat with radio-tracking and other scientific techniques, they tracked hundreds of grizzlies to discover their social organization and seasonal movements, their breeding and feeding habits, and their life spans.This fascinating, seminal book provides an intimate and detailed portrait of the greatest carnivore in our hemisphere, a lesson in wildlife mismanagement, and a close-up look at the life and work of wildlife biologists in the field. Frank Craighead Jr., Books, Science and Nature, Track of the Grizzly: Track Of The Grizzly -os Books>Science and Nature, Sierra Club Books<
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Craighead, Frank C., Jr.:Track of the Grizzly
- libro usado ISBN: 0871563223
Track of the Grizzly is the culmination of one of the most ambitious wildlife studies ever undertaken--the Craighead field study of the grizzly bears of the Rocky Mountains, carried out i… Más…
Track of the Grizzly is the culmination of one of the most ambitious wildlife studies ever undertaken--the Craighead field study of the grizzly bears of the Rocky Mountains, carried out in Yellowstone National Park and the huge surrounding ecosystem, spanning three states. The grizzly once roamed North America as a coequal with early humans, its range stretching from the Mississippi to the Pacific and from Mexico to the Arctic. Today only remnant populations live in the contiguous United States; the Yellowstone grizzly community is the largest, but is ever threatened by proximity to people: their towns, camps, and garbage dumps. Over a period of thirteen years, beginning in 1959, Frank Craighead, his brother John, and their colleagues lived in the backcountry close to their subjects. Combining firsthand knowledge of the bears and their habitat with radio-tracking and other scientific techniques, they tracked hundreds of grizzlies to discover their social organization and seasonal movements, their breeding and feeding habits, and their life spans. This fascinating, seminal book provides an intimate and detailed portrait of the greatest carnivore in our hemisphere, a lesson in wildlife mismanagement, and a close-up look at the life and work of wildlife biologists in the field. animals,bears,biological sciences,fauna,field guides,mammals,nature,nature and ecology,science and math,sports and outdoors Sports & Outdoors, Sierra Club Books<
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Craighead, Frank, JR.:Track of the Grizzly
- libro usado ISBN: 9780871563224
"Track of the Grizzly" is the culmination of one of the most ambitious wildlife studies ever undertaken - the Craighead field study of the grizzly bear, carried out in Yellowsto… Más…
"Track of the Grizzly" is the culmination of one of the most ambitious wildlife studies ever undertaken - the Craighead field study of the grizzly bear, carried out in Yellowstone National Park and the huge ecosystem, spanning three states, in which it lies. Over a period of thirteen years, beginning in 1959, Frank Craighead, his brother John, and their colleagues used sophisticated scientific techniques to track hundreds of grizzlies, to discover the bears' social organization and seasonal movements, their breeding and feeding habits, and their life spans. This fascinating book illuminates the shortcomings of America's current system of wildlife management and provides an intimate, detailed, and definitive portrait of the greatest carnivore in our hemisphere. Track of the Grizzly Craighead, Frank, JR., Sierra Club Books<
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, Frank Craighead Jr.:Track of the Grizzly by , Frank Craighead Jr.
- libro usado ISBN: 9780871563224
"This is a fascinating account of a splendid, awe-inspiring, and much-maligned animal. It will take its place with some of the most important natural history books published in the last 2… Más…
"This is a fascinating account of a splendid, awe-inspiring, and much-maligned animal. It will take its place with some of the most important natural history books published in the last 20 years."--Gerald Durrell Media ><
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