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Distributed for University of British Columbia Press

Geographic Variation in Forest Trees

Genetic Basis and Application of Knowledge in Silviculture

Geographic Variation in Forest Trees is the first book to examine this subject from a world-wide perspective. The author discusses population genetic theory and genetic systems of native North American tree species as they interact with environments in the major climatic regions in the world. He then demonstrates how this knowledge is used to guide seed zoning and seed transfer in silviculture, basing much of his discussion on models developed in Scandinavia and North America. In the final chapter, the author addresses the issue of genetic conservation -- a subject of great concern in the face of accelerated forest destruction, industrial pollution, and climatic change. This comprehensive, well-researched book makes a significant contribution to the knowledge of one of our most important renewable natural resources.

214 pages

Table of Contents

1. Concepts of Plant Reproduction, Variation, Heredity, and Breeding: A Brief History

Genetics and Plant Breeding in Europe, 1700-1900

Quantitative Methods

Development of Methods and Programs

2. Population Genetics

Genetic Processes

Genetic Systems

3. Environmental Influences and Geographic Variation

Physical Factors Influencing Natural Selection

Geological History

Seasons, Climate, and Phenology

Regional Differences in Ecology and Genetic Systems

Experiments: The Theory

Variation Patterns

Variation Patterns: General Conclusions

4. Genetic Variation in Some Major Species



5. Geographic Variation and Silviculture

Control of Seed Origin

Seed Zones and Seed Transfer

Seed Transfer: Methods and Examples

Species Introduction

6. Conservation of Genetic Resources

The Need for Gene Conservation

Objectives of Gene Conservation

Measures of Genetic Diversity


Gene Conservation Programs

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