Cargando…
The wolves of Mount McKinley /
Describes the life cycle of Alaskan wolves in greater detail than has ever been done and shows a great deal about the entire ecological network of predator and prey.
| Clasificación: | Libro Electrónico |
|---|---|
| Autor principal: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Seattle :
University of Washington Press,
[1985]
|
| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Cover
- CONTENTS
- FOREWORD
- SUMMARY
- CHAPTER 1. Introduction
- Outline of the study
- Acknowledgments
- Climate
- Physiography
- Vegetation
- CHAPTER 2. Wolf
- Physical characteristics
- Tracks
- History of wolves in Mount McKinley National Park
- Causes of fluctuation in wolf numbers
- Breeding
- Home life
- Toklat River den
- Savage River wolf family
- East Fork River den-1940
- East Fork River den-1941
- Hunting range
- Intraspecific intolerance
- The wolf pack
- Wags, the captive wolf
- Food habits of wolves
- Discussion of food items in wolf diet
- Caching.
- Trapping wolves
- CHAPTER 3. Dall Sheep
- Description
- Distribution of Dall sheep in Alaska
- History of the sheep in Mount McKinley National Park
- Distribution of Dall sheep in the park
- Winter distribution
- Summer distribution
- Migration
- Food habits
- Winter food habits
- Summer food habits
- Mineral licks
- Carrying capacity of the winter range
- Disease and parasites
- Actinomycosis
- Lungworm
- Scabies
- A sick lamb
- Lamb dies in captivity
- Insects sometimes annoy sheep
- Accidents
- The menace of deep snow
- The rut
- Gestation period
- Lambs
- Precocity.
- Ewe-lamb relationships
- Lost lambs
- Play
- Weaning
- Relation with animals of minor importance
- Snow buntings compete for food
- Wolverine and sheep
- Lynx and sheep
- Coyote and sheep
- Golden eagle and sheep
- Wolf and sheep
- Reaction of sheep to wolves
- Hunting incidents
- Discussion of wolf hunting habits
- Do the wolves prey mainly upon the weak sheep?
- The problem
- Search for sheep skulls
- Determination of age
- Determination of sex
- Segregation of sheep remains into classes
- Discussion of skull data
- Effect of wolf predation on the sheep as a species.
- Classified counts of the mountain sheep
- Classifications for 1939
- Classifications for 1940
- Classifications for 1941
- Discussion
- Some wolf-sheep relationships
- Effect of artificial intrusions on wolf predation
- Do caribou divert predation from sheep?
- Historical evidence that wolves are curbing sheep numbers
- Effect of the wolf on sheep numbers
- The sheep and the wolves may now be in equilibrium
- CHAPTER 4. Caribou
- Description
- Classification
- Numbers
- Movements of Mount McKinley National Park caribou
- Brief survey of movements from 1925 to 1941.
- Winter movements
- Summer movements
- 1939 movements
- 1940 movements
- 1941 movements
- Trails
- Food habits of caribou
- Winter food
- Summer food
- Rutting period
- Caribou calves
- Description
- Calving
- Relation of calves to cows
- Parasites
- Disease
- Some predator-caribou relationships
- Lynx, wolverine, and caribou
- Coyote and caribou
- Grizzly and caribou
- Golden eagle and caribou
- Relation of reindeer to caribou
- Wolf predation
- Predation on adult caribou
- Predation on caribou calves
- Hunting incidents.