1- Basic concepts of ecology applied on the neotropic ecosystems -- 2 - Natural resources and sustainable development in Peru -- 3 - Classification of the Peruvian Ecosystems -- 4 - Peruvian ecosystems geography -- 5 - Biodiversity and endemism of the Andes -- 6 - Ecological communities, populations and metapopulations -- 7 - Succession and change of the ecosystems -- 8 - Biodiversity of the Amazonia Basin -- 9 - Peruvian protected natural areas -- 10 - The paramo ecosystems -- 11 - The Humboldt National Forest -- 12 - The Northwest Biosphere Reserve -- 13 - Urban ecosystems and development -- 14 - Climate changes -- 15 - Traditional land-use systems and agrobiodiversity in Peru -- Index.