期刊
FOREST ECOLOGY AND MANAGEMENT
卷 404, 期 -, 页码 126-140出版社
ELSEVIER
DOI: 10.1016/j.foreco.2017.08.021
关键词
Forest composition; Ecosystem service indicators; Multiple objective planning; Analytic hierarchy process; Robust portfolio optimization; Uncertainty; Forest management; Expert opinions
类别
资金
- Bauer Foundation within the Stifterverband fur die Deutsche Wissenschaft
- Deutsche Forschungsgemeinschaft (DFG) [KN 586/9-1, KN 586/11-1]
In the following paper, we use robust optimization to calculate portfolios of Chilean forest stands which minimize the greatest underperformance among all considered ecosystem services (ES) and biodiversity. Forest experts were asked to score the six most important ES indicators and biodiversity for forest stands with either exotic or native tree species. Average scores and their variation were used to form an optimal forest portfolio (proportions of the five stand types). Quantitative indicators of ES were used to calculate the reference portfolio. Portfolios based on expert opinions (49% Eucalyptus plus Pinus, 51% native Nothofagus and mixed Pseudotsuga) did not differ significantly from portfolios based on quantitative indicators (51% Eucalyptus plus Pinus, 49% Nothofagus, mixed Pseudotsuga and Acacia). Both portfolios offer good protection against low achievement levels and prevent the degradation of important ES and biodiversity, while pure stands showed low achievement levels for specific ES. We conclude that integrating expert knowledge into forest planning may well support considering ES and biodiversity. Forest owners in the Mediterranean region, of Chile should be encouraged to integrate native Nothofagus species into their forest portfolios to better provide for multiple ES and the conservation of biodiversity.
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