UNESCO2015-07-152015-07-151973https://bibliotecadigital.ciren.cl/handle/20.500.13082/21906enEcosistema de montañaBiósferaImpacto ambientalCarpatosTundraUso y manejo del sueloProgramme on man and the biosphere (mab) working group on project. 6 : impact of human activities on mountain and tundra ecosystems.Programa3438