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The natural history of tassel-eared squirrels /

"I live in the middle of an almost two-million-acre ponderosa pine forest--the largest in the world. In moments I can leave my home and be in the habitat of the tassel-eared squirrel, which I have studied for more than twenty-five years. From my dining table I can watch these tassel-eared rasca...

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Detalles Bibliográficos
Clasificación:Libro Electrónico
Autor principal: Allred, Sylvester, 1946-
Autor Corporativo: Northern Arizona University
Formato: Electrónico eBook
Idioma:Inglés
Publicado: Albuquerque : University of New Mexico Press, 2010.
Temas:
Acceso en línea:Texto completo
Tabla de Contenidos:
  • Machine generated contents note: ch. One Introduction
  • References for Chapter One
  • ch. Two Physical Characteristics of Tassel-Eared Squirrels
  • Tassels
  • Physical Characteristics-Pelage and the Colors
  • Colors of the Type Specimens of S. a. aberti and S. a. kaibabensis inArizona
  • Colors of S. a. ferreus in Colorado
  • Colors of S. a. aberti, S. a. chuscensis, and S. a. kaibabensis from Arizona and New Mexico
  • Colors of Tassel-Eared Squirrels from Mexico
  • Genetics of Pelage Colors
  • Guard Hair
  • Dorsal Patch
  • Lateral Stripe
  • Tail Colors
  • Tail Lengths
  • Faces
  • Molting
  • Physical Characteristics-Body Measurements
  • Size
  • Feet and Claws
  • Teeth
  • Cranium Measurements
  • Determining the Differences between Juveniles and Adults by Physical Characteristics
  • Do Tassel-Eared Squirrels Conform to Allen's and Bergmann's Rules?
  • Temperatures of Tassel-Eared Squirrels
  • Future Research
  • References for Chapter Two.
  • Ch. Three Habitat, Home Range, and Distribution
  • Introduction
  • Habitat
  • Home Range
  • Geographical Distribution of Tassel-Eared Squirrels
  • Natural Range Expansions of Tassel-Eared Squirrels
  • Transplants of Tassel-Eared Squirrels
  • Summary
  • Future Research
  • References for Chapter Three
  • ch. Four Food and Feeding Activities
  • Introduction
  • Inner Bark of Ponderosa Pine Terminal Shoots
  • Selection of Feeding Trees
  • Is It the Tree Chemistry?
  • Is It a Physical Characteristic?
  • Do Squirrels Rotate the Use of Feed Trees?
  • Do Feed Trees and Non-Feed Trees Have Different Growth Rates?
  • Seeds from Ovulate Ponderosa Pine Cones
  • Mycophagy
  • Other Foods Obtained from Ponderosa Pine Trees
  • Other Foods Used by Tassel-Eared Squirrels
  • Water
  • Food Caching
  • Summary
  • References for Chapter Four
  • ch. Five Nests
  • Introduction
  • Types of Nests
  • Bolus Nests
  • Other Types of Nests
  • Nest Tree Characteristics
  • Summary
  • References for Chapter Five.
  • Ch. Six Behavior and Social Interactions
  • Introduction
  • Daily Activity
  • Social Interactions
  • Mating
  • Nesting Behavior
  • Movement within the Forest
  • Activities During Storms
  • Other Behaviors Demonstrated by Tassel-Eared Squirrels
  • Summary
  • Future Research
  • References for Chapter Six
  • ch. Seven Reproduction, Embryology, and Development
  • Introduction
  • Estrus
  • Copulation
  • Gestation and Postnatal Development
  • Lactation
  • Female Reproduction
  • Anatomy
  • Oogenesis
  • Male Reproduction
  • Anatomy
  • Spermatogenesis
  • Sperm Morphology
  • Reproductive Anomalies
  • Future Research
  • References for Chapter Seven
  • ch. Eight Mortality and Parasites
  • Introduction
  • Predation
  • Avian Predators
  • Terrestrial Predators
  • Mortality from Habitat Loss
  • Season and Mortality
  • Highway Mortalities
  • Hunting
  • Parasites
  • Other Causes of Mortality
  • Life Span
  • Summary
  • Future Research
  • References for Chapter Eight
  • ch. Nine Genetics.
  • Introduction
  • Karyotypes and Chromosomes
  • Serum Proteins
  • Transferrin
  • Albumin
  • T-cell Receptor Genes
  • Major Histocompatibility Complex
  • Genetics and Pelage Color
  • Nucleotide Diversity Using Mitochondrial DNA
  • Cytochrome b Gene
  • Microsatellites
  • Summary
  • Future Research
  • References for Chapter Nine
  • ch. Ten The Kaibab Squirrel
  • Introduction
  • Historical Overview of Kaibab Squirrel Protection
  • The Controversy of the Status
  • Endangered or Threatened?
  • Transplants of Kaibab Squirrels
  • Summary
  • Future Research
  • References for Chapter Ten
  • COLOR PLATES
  • ch. Eleven Ecology
  • Introduction
  • Ecology of Tassel-Eared Squirrels and Ponderosa Pines
  • Tassel-Eared Squirrels and Ponderosa Pine Tree Morbidity and Mortality
  • Alternation of Feed Tree Selection
  • Tassel-Eared Squirrels as Agents of Selection of Ponderosa Pine Trees
  • Nitrogen Cycling
  • Ecology of Tassel-Eared Squirrel Digs
  • Ecology of Tassel-Eared Squirrels and Fungi.
  • Tassel-Eared Squirrel Interactions with Other Animals
  • Population Ecology
  • Summary
  • Future Research
  • References for Chapter Eleven
  • ch. Twelve Census and Monitoring Methods and Techniques
  • Introduction
  • Squirrel Census Methods
  • Evidence of Feeding Activities
  • Hunter Success
  • Forest Characteristics
  • Nest Counts
  • Track Pans
  • Tracks in Snow
  • Squirrel Observations Made During Other Animal Surveys
  • Time-Area Count and Strip-Count Techniques
  • Methods of Determining Age
  • Tail Collections
  • Epiphyseal Cartilage and Teeth
  • Techniques for Marking Squirrels in the Field
  • Trapping Squirrels
  • Radio Tracking
  • Planning for Squirrel Monitoring
  • Summary
  • Future Research
  • References for Chapter Twelve
  • ch. Thirteen Management and Conservation of Tassel-Eared Squirrels
  • Introduction
  • Basal Area and Tree Density
  • Landscape Models
  • Forest Restoration
  • Timber Harvest and Management Considerations
  • Ecological Considerations in Management.
  • Conservation
  • Management Conclusions
  • Future Research
  • References for Chapter Thirteen.