An integrated assessment approach to optimal forest bioenergy production for young Scots pine stands

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http://hdl.handle.net/10138/161513

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Cao , T , Hyytiäinen , K P , Hurttala , H T , Valsta , L T & Vanclay , J 2015 , ' An integrated assessment approach to optimal forest bioenergy production for young Scots pine stands ' , Forest Ecosystems , vol. 2 , 19 . https://doi.org/10.1186/s40663-015-0043-6

Title: An integrated assessment approach to optimal forest bioenergy production for young Scots pine stands
Author: Cao, Tianjian; Hyytiäinen, Kari Petri; Hurttala, Henna Tuulia; Valsta, Lauri Tapani; Vanclay, Jerome
Contributor: University of Helsinki, Department of Economics and Management
University of Helsinki, Department of Forest Sciences
University of Helsinki, Department of Forest Sciences
Date: 2015-06-20
Language: eng
Number of pages: 10
Belongs to series: Forest Ecosystems
ISSN: 2095-6355
URI: http://hdl.handle.net/10138/161513
Abstract: Background Bioenergy is re-shaping opportunities and imperatives of forest management. This study demonstrates, through a case study in Scots pine (Pinus sylvestris L.), how forest bioenergy policies affect stand management strategies. Methods Optimization studies were examined for 15 Scots pine stands of different initial stand densities, site types, and temperature sum regions in Finland. Stand development was modelled using the PipeQual stand simulator coupled with the simulation-optimization tool OptiFor Bioenergy to assess three forest bioenergy policies on energy wood harvest from early thinnings. Results The optimal solutions maximizing bare land value indicate that conventional forest management regimes remain optimal for sparse stands. Energy harvests occurred only when profitable, led to lower financial returns. A forest bioenergy policy which included compulsory energy wood harvesting was optimal for denser stands. At a higher interest rate (4 %), increasing energy wood price postponed energy wood harvesting. In addition, our results show that early thinning somewhat reduced wood quality for stands in fertile sites. For less fertile sites, the changes were insignificant. Conclusions A constraint of profitable energy wood harvest is not rational. It is optimal to carry out the first thinning with a flexible forest bioenergy policy depending on stand density.
Subject: 4112 Forestry
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