POTTHOFF, K. Grazing history affects the tree-line ecotone: a case study from Hardanger, Western Norway. Fennia - International Journal of Geography, [S. l.], v. 187, n. 2, p. 81–98, 2009. Disponível em: https://fennia.journal.fi/article/view/3696. Acesso em: 27 apr. 2024.