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Precision thinning :
Precision thinning : a comparison of optimal stand-level and pixel-level thinning
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- Persson, Magnus (författare)
- Linnéuniversitetet,Institutionen för skog och träteknik (SOT)
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- Trubins, Renats (författare)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för sydsvensk skogsvetenskap,Southern Swedish Forest Research Centre,Swedish University of Agricultural Sciences, Sweden
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- Eriksson, Ola (författare)
- Sveriges lantbruksuniversitet,Linnéuniversitetet,Institutionen för skog och träteknik (SOT),Swedish University of Agricultural Sciences, Sweden,Institutionen för sydsvensk skogsvetenskap,Southern Swedish Forest Research Centre,Linnaeus University
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- Bergh, Johan (författare)
- Linnéuniversitetet,Institutionen för skog och träteknik (SOT),Grön hållbar utveckling
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- Sonesson, Johan (författare)
- Skogforsk, Sweden
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- Holmström, Emma (författare)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för sydsvensk skogsvetenskap,Southern Swedish Forest Research Centre,Swedish University of Agricultural Sciences, Sweden
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(creator_code:org_t)
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- 2022-03-18
- 2022
- Engelska.
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Ingår i: Scandinavian Journal of Forest Research. - : Taylor & Francis Group. - 0282-7581 .- 1651-1891. ; 37:2, s. 99-108
- Relaterad länk:
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Precision forestry allows decision-making on tree level or pixel level, as compared to stand-level data. However, little is known about the importance of precision in thinning decisions and its long-term effects on within-stand variation, stand economy and growth. In this study, silviculture was optimized for Net Present Value (NPV) in 20 conifer-dominated forest stands in hemi-boreal southern Sweden. The precision-thinning approach, Precision Thinning (PT), is compared with a stand-level approach, Stand Level Thinning (SLT) that is optimized for the same criteria but based on stand-level data. The results suggest no substantial long-term benefit or drawback in implementing thinning decisions based on pixel-level data as compared to stand-level data when optimizing stand economy. The result variables NPV and Mean annual increment of living stem volume (MAI(net)) were not higher for PT than for SLT. The within-stand variation in basal area (m(2)/ha(-1)) was lower at the end of the rotation compared to the start of the simulation for both SLT and PT. At the end of the rotation, SLT had higher variation in basal area compared to PT. However, pixel-level information enables adapting the silviculture to the within-stand variation which may favour other forest management goals than strictly financial goals.
Ämnesord
- LANTBRUKSVETENSKAPER -- Lantbruksvetenskap, skogsbruk och fiske -- Skogsvetenskap (hsv//swe)
- AGRICULTURAL SCIENCES -- Agriculture, Forestry and Fisheries -- Forest Science (hsv//eng)
Nyckelord
- Thinning
- within-stand variation
- stand economy
- NPV
- Norway spruce
- precision forestry
- Scots pine
- Forestry and Wood Technology
- Skog och träteknik
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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