This new edition is a major contribution to botanical and ecological literature. It provides comprehensive coverage of the major vegetation types of North America, from the arctic tundra of Alaska to the tropical forests of Central America. Each chapter describes the composition, architecture, environment, and conservation status of each ecosystem. In addition, information is included on the abiotic environment, paleoecology, productivity, nutrient cycling, autecological behavior of dominant species, environmental issues, management problems, the role of natural disturbance, and critical...