Land-use change: effects on soil carbon, nitrogen and phosphorus pools and fluxes in three adjacent ecosystems

andisols andosol andosoles andosols azote bosques broadleaved trees carbon carbon dioxide carbone carbono dioxyde de carbone ecosistema ecosystems feuillu forests fosforo frondosas land use loam soils metabolism metabolisme metabolismo microorganisme microorganismos microorganisms nitrification nitrogen pastizales pastures phosphore phosphorus pinus radiata respiration sandy soils soil soil organic matter sol sol sableux sol sablolimoneux suelo suelo arenoso suelo franco utilisation des terres