Staffan Berg, Erik Valinger, Torgny Lind, Tommi Suominen, Diana Tuomasjukka. (2015). Comparison of co-existing forestry and reindeer husbandry value chains in northern Sweden. Silva Fennica vol. 50 no. 1 article id 1384. https://doi.org/10.14214/sf.1384

Keywords: carbon sequestration; agroforestry; global warming potential; gross value added; employment; ToSIA

Highlights: Forestry adapted to reindeer husbandry results in: potential economic improvement of reindeer husbandry, potential reduced cuttings in forestry and reduced wood flow to industry, reduced gross value added for forest industry and increased carbon storage in standing forest.

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Forestry in Malå, northern Sweden, coexists with other land uses. Reindeer husbandry is in the area for centuries and requires large areas of grazing land. Competing land uses may threaten the Malå Sami village. The aim of the study was to evaluate increased consideration in forest management towards 1) reindeer husbandry, 2) nature and 3) a combination of the two. These scenarios were compared with forest management as it was in 2009. Results indicate that all three scenarios lead to a decrease in annual harvesting volumes of 0.2 to 0.4 million m³. Forest industry dominated the economic viability in the area. Forest management adapted to the needs of reindeer husbandry resulted in less potential for yearly harvest, employment and profits from forest industry. On the other hand, it led to an increase in growing stock and consequently the potential for carbon sequestration over time. Indeed the increased sequestration would compensate for all fossil emissions of carbon from the Forest Wood Chain (FWC). The nature scenario had minor effects on economic result and on the emissions of fossil carbon. The combined scenario gave a reduced economic performance for the FWC. A scenario based on forest management accommodating the needs of reindeer husbandry gave the best economic result for the reindeer chain, due to high survival rate of the reindeer. However the economic importance of reindeer husbandry in the region was small compared to the FWC. Results from scenario analysis could serve as a platform for mutual understanding between stakeholders.

Berg, Swedish University of Agricultural Sciences (SLU), Department of Forest Ecology and Management, Skogsmarksgränd, SE-90 183 Umeå, Sweden E-mail: staffan.berg@efi.int
Valinger, Swedish University of Agricultural Sciences (SLU), Department of Forest Ecology and Management, Skogsmarksgränd, SE-90 183 Umeå, Sweden E-mail: erik.valinger@slu.se
Lind, Swedish University of Agricultural Sciences (SLU), Department of Forest Resource Management, Skogsmarksgränd, SE-90 183 Umeå, Sweden E-mail: torgny.lind@slu.se
Suominen, European Forest Institute, Sustainability and Climate Change Research Programme, Yliopistokatu 6, FI-80100 Joensuu, Finland E-mail: tommi.suominen@efi.int
Tuomasjukka, European Forest Institute, Sustainability and Climate Change Research Programme, Yliopistokatu 6, FI-80100 Joensuu, Finland E-mail: diana.tuomasjukka@efi.int

Category : Research note

article id 442, category Research note

Emil Modig, Bo Magnusson, Erik Valinger, Jonas Cedergren, Lars Lundqvist. (2012). Damage to residual stand caused by mechanized selection harvest in uneven-aged Picea abies dominated stands. Silva Fennica vol. 46 no. 2 article id 442. https://doi.org/10.14214/sf.442

Keywords: selection cutting; logging damage; continuous cover management; residual stand; logging methods

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Permanent field plots were established in two uneven-aged Norway spruce (Picea abies (L.) Karst) dominated stands in west-central Sweden. The objective was to quantify level and type of damage caused by harvesting and to quantify the difference between two treatments: T20) only skid road harvest (20 m distance between ca. 4 m wide roads), and T40) skid road harvest (40 m distance between ca. 4 m wide roads) combined with thinning between the roads. In T40, the goal was to harvest approximately the same standing volume as in T20. After harvest, two circular sample plots (radius 18 m, i.e. 1018 m₂) were established at random locations within each treated area. All mechanical damage on the stem caused by harvest was measured and registered, including bark stripping larger than 15 cm₂, stem broken or split, and tearing of branches causing damage on the stem. About 70–90 per cent of the damaged trees were smaller than 15 cm dbh. Very few trees larger than 25 cm dbh were damaged. In T20, more than 50 per cent of the damaged trees were located less than 5 m from the skid road, compared to less than 25 per cent for T40, in which more than 50 per cent of the damaged trees were located 5–10 m from the skid road. Creating only half the number of skid roads caused no more damage, and was probably more profitable because mean stem volume was about 1.5 times larger than in T20.

Modig, Statens fastighetsverk, Jokkmokk, Sweden E-mail: em@nn.se
Magnusson, Skogsstyrelsen, Bräcke, Sweden E-mail: bm@nn.se
Valinger, Deparment of Forest Ecology and Management, SLU, SE-901 83 Umeå, Sweden E-mail: ev@nn.se
Cedergren, Mariehamn, Åland E-mail: jc@nn.se
Lundqvist, Deparment of Forest Ecology and Management, SLU, SE-901 83 Umeå, Sweden E-mail: lars.lundqvist@slu.se

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