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Résumé :
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This text is dedicated to presenting the outlines of the science of ecology. each chapter in this book attempts to raise a question about how populations and communities operate in nature, and to give you enough information that you can think about it intelligently. part 1 deals with what is ecology ? part 2 with the problem of distribution: populations (methods for analyzing distributions; factors that limit distributions: dispersal, habitat selection, interrelations with other species, temperature, moisture, other physical-chemical factors; the relationship between distribution and abundance). part 3 deals with the problem of abundance: populations (population parameters; demographic techniques; population growth; species interactions: competition, predation, herbivory and mutualism, disease and parasitism; population regulation; applied problems: harvesting populations, pest control, conservation biology). part 4 with distribution and abundance at the community level (the nature of the community; community change; community organization: biodiversity, predation and competition in equilibrial communities, disturbance and nonequilibrium communities; ecosystem metabolism: primary production, secondary production, nutrient cycles; ecosystem health).
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