Maurice Hornocker is recognized worldwide as the first scientist to unravel the secrets of America's most enigmatic predator—the mountain lion. A story of redemption, this book is a memoir about the never-before-told adventures, challenges, and controversies surrounding Hornocker’s groundbreaking study of cougars in the remote reaches of the Idaho Primitive Area. North America's biggest cat was once killed for bounty dollars, slaughtered with impunity and driven toward extinction. But today's cat of intrigue, despite our lingering fears and misconceptions, has returned to much of its native range in the western United States and gained respect as a predator integral and necessary to wild ecosystems. This turnaround was triggered by one man: Maurice Hornocker. Cougars on the Cliff recounts the early years of his research (1964–1973) when he tracked lions following a dog’s nose and footprints in the snow—before telemetry was available. Hornocker was first to learn that mountain lions living in stable populations limit their own numbers through territoriality and a concept he called “mutual avoidance.” This insight flew in the face of long-held beliefs that cougars were prolific and wanton killers that needed to be controlled as vermin. Thanks to Hornocker’s work, today cougars can be found throughout the West and have even started to reclaim their place in New England.
Yellowstone Cougars examines the effect of wolf restoration on the cougar population in Yellowstone National Park—one of the largest national parks in the American West. No other study has ever specifically addressed the theoretical and practical aspects of competition between large carnivores in North America. The authors provide a thorough analysis of cougar ecology, how they interact with and are influenced by wolves—their main competitor—and how this knowledge informs management and conservation of both species across the West. Of practical importance, Yellowstone Cougars addresses the management and conservation of multiple carnivores in increasingly human-dominated landscapes. The authors move beyond a single-species approach to cougar management and conservation to one that considers multiple species, which was impossible to untangle before wolf reestablishment in the Yellowstone area provided biologists with this research opportunity. Yellowstone Cougars provides objective scientific data at the forefront of understanding cougars and large carnivore community structure and management issues in the Greater Yellowstone Ecosystem, as well as in other areas where wolves and cougars are reestablishing. Intended for an audience of scientists, wildlife managers, conservationists, and academics, the book also sets a theoretical precedent for writing about competition between carnivorous mammals.
Yellowstone Cougars examines the effect of wolf restoration on the cougar population in Yellowstone National Park—one of the largest national parks in the American West. No other study has ever specifically addressed the theoretical and practical aspects of competition between large carnivores in North America. The authors provide a thorough analysis of cougar ecology, how they interact with and are influenced by wolves—their main competitor—and how this knowledge informs management and conservation of both species across the West. Of practical importance, Yellowstone Cougars addresses the management and conservation of multiple carnivores in increasingly human-dominated landscapes. The authors move beyond a single-species approach to cougar management and conservation to one that considers multiple species, which was impossible to untangle before wolf reestablishment in the Yellowstone area provided biologists with this research opportunity. Yellowstone Cougars provides objective scientific data at the forefront of understanding cougars and large carnivore community structure and management issues in the Greater Yellowstone Ecosystem, as well as in other areas where wolves and cougars are reestablishing. Intended for an audience of scientists, wildlife managers, conservationists, and academics, the book also sets a theoretical precedent for writing about competition between carnivorous mammals.
A travers ce livre, Peter Matthiessen, auteur et naturaliste américain, dénonce la situation critique du tigre de Sibérie. Retraçant le déroulement d'une expédition scientifique à laquelle il a participé, il évoque les origines et l'évolution de cet animal impressionnant, sans oublier son rôle crucial, parfois totémique, au sein des cultures et des mythologies. Le destin du tigre de Sibérie devient ainsi le territoire d'une histoire magnifique qui entraîne le lecteur au cœur de la bataille engagée par les chercheurs pour sa défense. Les photographies de l'animal dans son élément naturel ont été réalisées par Maurice Hornocker.
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