Leif KULLMAN. Recently Enhanced Pine (Pinus sylvestris L.) Regeneration and Extensive Penetration towards the Head of the Handölan Valley: Reversal of a Long-Term Retrogressional Trend – Contrasting Responses to Climate Change of Tree- and Forest Line. Challenging Issues on Environment and Earth Science Vol. 3, [S. l.], p. 44–58, 2021. DOI: 10.9734/bpi/ciees/v3/8096D. Disponível em: https://stm.bookpi.org/CIEES-V3/article/view/723. Acesso em: 9 jun. 2026.