Monitoring of nitrogen compounds on Yakushima Island, a world natural heritage site

agua ammonia ammoniac anion aniones anions azote bosques cation cationes cations cours d'eau cryptomeria cryptomeria japonica cursos de agua eau ecosistema ecosystems forests granit granite granito lluvia monitoring neige nieve nitrate nitrates nitratos nitrogen nutrientes nutrients pluie precipitation rain ressource en eau rivers snow substance nutritive vigilancia water water resources