Incluye referencia bibliográfica e índice CONTENIDO: Background and basic concepts. -- Introduction. -- A brief history of plant ecology. -- The species as an ecological unit. -- The species in the environmental complex. -- Population structure and plant demography. -- Allocation and life history patterns. -- Species interactions: Competition and amensalism. -- Species interactions: Commensalism, mutualism and herbivory. -- The community as an ecological unit. -- Community concepts and attributes. -- Methods of sampling the plant community. -- Classification and ordination of plant communities. -- Succession. -- Productivity. -- Mineral cycles. -- Environmental factors. -- Light and temperature. -- Photosynthesis. -- Fire. -- Soil. -- Plant-water dynamics. -- Water: environment and adaptations. -- Major vegetation types of North America.