Source: https://www.researchgate.net/profile/Timo-Kuuluvainen/publication/237866803_Natural_disturbance_emulation_in_boreal_forest_ecosystem_management_-_theories_strategies_and_a_comparison_with_conventional_even-aged_management_1_1_This_article_is_one_of_a_selection_of_papers_from_/links/54b655840cf2bd04be31fd5e/Natural-disturbance-emulation-in-boreal-forest-ecosystem-management-theories-strategies-and-a-comparison-with-conventional-even-aged-management-1-1-This-article-is-one-of-a-selection-of-papers-fro.pdf