Effect of forest management choices on carbon sequestration and biodiversity at national scale

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Abstract
Forest management methods and harvest intensities influence wood production, carbon sequestration and biodiversity. We devised different management scenarios by means of stakeholder analysis and incorporated them in the forest growth simulator PREBAS. To analyse impacts of harvest intensity, we used constraints on total harvest: business as usual, low harvest, intensive harvest and no harvest. We carried out simulations on a wall-to-wall grid in Finland until 2050. Our objectives were to (1) test how the management scenarios differed in their projections, (2) analyse the potential wood production, carbon sequestration and biodiversity under the different harvest levels, and (3) compare different options of allocating the scenarios and protected areas. Harvest level was key to carbon stocks and fluxes regardless of management actions and moderate changes in proportion of strictly protected forest. In contrast, biodiversity was more dependent on other management variables than harvesting levels, and relatively independent of carbon stocks and fluxes.
Funding Information
  • Strategic Research Council (335958, 312559)
  • Luonnontieteiden ja Tekniikan Tutkimuksen Toimikunta (347863, 347848)
  • HORIZON EUROPE Excellent Science (101000574)
  • H2020 Research Infrastructures (871128)
  • Ympäristöministeriö (VN/5082/2020)
  • Maa- ja MetsätalousministeriÖ (VN/28536/2020)
  • University of Helsinki including Helsinki University Central Hospital

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