Trade-offs among intensive forestry, ecosystem services and biodiversity in boreal forests
Julkaistu sarjassa
Jyväskylä studies in biological and environmental scienceTekijät
Päivämäärä
2018Oppiaine
Ekologia ja evoluutiobiologiaFinnish forests are used extensively for timber production but are also
providers of other ecosystem services and harbor unique biodiversity. The
ecosystem services approach has so far been used marginally in the context of
Finnish forestry; however, due to the multiple values associated with Finnish
forests and the impacts forestry operations have on forest ecosystems, it is
clearly applicable in this context. In this thesis, I studied the occurrence and
severity of trade-offs among ecosystem services and biodiversity conservation
in Finnish forests. I used forest inventory data, forest growth simulations, and
multi-objective optimization to reveal how the severity of the trade-offs varies
among combinations of ecosystem services, across spatial scales, and across
time, and how the trade-offs could be mitigated by forest management
planning. Overall, the results showed that there are clear and challenging
conflicts between intensive forestry and ecosystem services in Finland.
Ecosystem services provided by forests were found to diminish when the
forests were used intensively as a source of timber, whereas reducing or
refraining from harvests maintained comparatively high levels of multiple non-
timber services and biodiversity. Non-timber services and biodiversity were
also shown to recover from intensive forestry the slower the longer intensive
forestry was continued, suggesting that forestry’s negative impacts may be
long-lasting. The use of optimization tools can help planners to identify
management strategies that balance conflicting objectives as well as possible,
especially if the analyses are conducted at large enough scales. However, the
fact that there are trade-offs means that losses in some objectives are inevitable.
It is left to forest managers and other stakeholders to consider which of these
losses they are willing to accept.
...
Julkaisija
University of JyväskyläISBN
978-951-39-7342-1ISSN Hae Julkaisufoorumista
1456-9701Julkaisuun sisältyy osajulkaisuja
- Artikkeli I: Pohjanmies T., Triviño M., Le Tortorec E., Mazziotta A., Snäll T. & Mönkkönen M. 2017. Impacts of forestry on boreal forests: An ecosystem services perspective. Ambio 46: 743-755. DOI: 10.1007/s13280-017-0919-5.
- Artikkeli II: Pohjanmies T., Triviño M., Le Tortorec E., Salminen H. & Mönkkönen M. 2017. Conflicting objectives in production forests pose a challenge for forest management. Ecosystem Services 28, Part C: 298-310. DOI: 10.1016/j.ecoser.2017.06.018.
- Artikkeli III: Pohjanmies T., Eyvindson K., Triviño M. & Mönkkönen M. 2017. More is more? Forest management allocation at different spatial scales to mitigate conflicts between ecosystem services. Landscape Ecology 32: 2337-2349. DOI: 10.1007/s10980-017-0572-1.
- Artikkeli IV: Pohjanmies T., Eyvindson K., Peura M., Triviño M. & Mönkkönen M. 2017. Loss of resilience and multifunctionality in a production forest. Manuscript.
Asiasanat
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Sectoral policies cause incoherence in forest management and ecosystem service provisioning
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