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Environmental Issues in Pacific Northwest Forest Management.
| Clasificación: | Libro Electrónico |
|---|---|
| Autor principal: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Washington :
National Academies Press,
1996.
|
| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- ENVIRONMENTAL ISSUES IN PACIFIC NORTHWEST FOREST MANAGEMENT; Copyright; PREFACE; Contents; EXECUTIVE SUMMARY; THE REGION; THE DYNAMICS OF PACIFIC NORTHWEST LANDSCAPES; THE BIOLOGICAL DIVERSITY OF PACIFIC NORTHWEST FORESTS; OLD-GROWTH FORESTS; FOREST PRODUCTS SUBSTITUTION; FOREST MANAGEMENT AND HUMAN COMMUNITIES; FOREST MANAGEMENT FOR THE FUTURE; RESEARCH RECOMMENDATIONS; 1 THE PROMISED LAND: THE LAND OF PROMISE ; INTRODUCTION; Loss of the Frontier; Changing Knowledge Base; Changing Social Values; THE STUDY AREA; OTHER MAJOR STUDIES AND REPORTS; THIS REPORT; 2 THE REGION AND ITS FORESTS.
- INTRODUCTIONA BRIEF HISTORY; DEMOGRAPHICS AND THE ECONOMY; Population Growth; Economic Implications of Population Growth; THE REGION'S FORESTS; Westside Forests; Eastside Forests; Northern Rocky Mountains; REGIONAL OWNERSHIP PATTERNS; SUMMARY; 3 OLD-GROWTH FORESTS ; INTRODUCTION; WHAT IS VEGETATIVE SUCCESSION?; WHAT IS AN OLD-GROWTH FOREST?; Time Required for Old-Growth Development; Old-Growth Landscapes; Managed Forests and Old-Growth Characteristics; Stand Size; BIOLOGICAL FUNCTIONS OF OLD-GROWTH AND LATE-SUCCESSIONAL FORESTS; Species Diversity; Logs and Woody Debris.
- Susceptibility to DisturbanceAQUATIC ECOSYSTEMS; EXTENT AND STATUS OF OLD-GROWTH FORESTS; SUMMARY; 4 THE STATUS AND FUNCTIONING OF PACIFIC NORTHWEST FORESTS ; INTRODUCTION; FOREST CONDITION; General Criteria of Condition; The Role of Biological Diversity; Resistance and Resilience; Landscape Change and Threats to Biodiversity; Diseases and Pests; Incidence of Pest and Disease Outbreaks; STATUS OF OTHER PLANT SPECIES; STATUS OF WILDLIFE; Salmon and Other Fisheries; Invertebrates; Fungi; VIABLE POPULATIONS AND THE CONSERVATION OF BIODIVERSITY; Demographic Factors; Genetic Factors.
- Population Viability Analysis5 FOREST SUCCESSION, FIRE, AND LANDSCAPE DYNAMICS ; INTRODUCTION; CONCEPTS OF SUCCESSION AND LANDSCAPE DYNAMICS; FIRE AND LANDSCAPE DYNAMICS; Presettlement Fire Regimes and Successional Change; Human Alteration of Fire Regimes; NATURAL DISTURBANCE AND HUMAN MANAGEMENT: AN ECOLOGICAL COMPARISON; Landscape Considerations; Fuels; Nutrient Fluxes; Biological Diversity; 6 PRODUCTS FROM THE FORESTS ; PACIFIC NORTHWEST WOOD PRODUCTS IN THE NATIONAL ECONOMY; PRODUCTS IN NATIONAL AND INTERNATIONAL MARKETS.
- EFFECTS OF CHANGES IN FEDERAL TIMBER HARVESTS IN THE PACIFIC NORTHWESTIncreased Harvests at the Extensive Margin; Increased Harvests at the Intensive Margin; Increased Use of Hardwoods; Technology Changes; Materials Substitution; ENVIRONMENTAL EFFECTS; IMPLICATIONS FOR OTHER REGIONS; EFFECTS ON REGIONAL AND NATIONAL INCOME; CHANGE AND INCENTIVES; NONWOOD PRODUCTS FROM FORESTS; Wildlife-Related Recreation; Other Forest-Related Recreation; Fisheries; Mushrooms; Water; Effects of Changes in Management of Pacific Northwest Forests on Nonwood Products; REGIONAL ECONOMIC EFFECTS; SUMMARY.