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close this bookBasic Concepts in Environment, Agriculture and Natural Resources Management: An Information Kit (International Institute for Rural Reconstruction (IIRR))
close this folderEcological basics
View the documentEcosystem degradation
View the documentHabitat and niche
View the documentThe food chain
View the documentBiological magnification
View the documentNitrogen cycle
View the documentSociety and the carbon-oxygen cycle
View the documentHealth consequences of environmental degradation
View the documentPopulation and the environment