Proceedings of the Meeting on the Classification, Correlation, and Management of Permafrost-Affected Soils

classification des sols frigid soils gestion du sol landscape manejo del suelo paisaje paysage pedogenese perfil del suelo permafrost areas profil du sol soil chemicophysical properties soil classification soil genesis soil management soil profiles soil types suelo helado tipos de suelos toundra tundra type de sol zonas de hielo permanente zone de gel permanent