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Query: "author" (Matevž Triplat) .

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Common preferences of European small-scale forest owners towards contract-based management
Artti Juutinen, Elena Haeler, R. Jandl, Katharina Kuhlmey, Mikko Kurttila, Raisa Mäkipää, Tähti Pohjanmies, Lydia Rosenkranz, Mitja Skudnik, Matevž Triplat, Anne Tolvanen, Urša Vilhar, Kerstin Westin, Silvio Schueler, 2022, original scientific article

Abstract: The societal demands on forest management are becoming increasingly diverse, which will be reflected in decisions made by forest owners. We examined the willingness of private forest owners in Austria, Finland, Germany, Slovenia, and Sweden to participate in a contract-based payment scheme in which they were asked to apply a specific management strategy to promote either timber production or environmental goals. The preferences for the contract-based management and associated consequences in terms of profitability, biodiversity, carbon stock, and climate change-induced damages were addressed within a choice experiment. A majority of respondents across all countries agreed to participate in a payment scheme to promote environmental goals, while schemes purely targeted to increase wood production were found less attractive. Forest owners liked improvements in profitability and environmental attributes and disliked deterioration of these attributes. Differences among countries were found in the level of expected contract payments, and commonalities were found with respect to preferences towards environmental goals, including biodiversity and carbon stocks. Hence, new policies to target European forest subsidy to promote the provision of environmental goals would likely be acceptable.
Keywords: choice experiment, ecosystem services, forest policy, incentives, private forest owners
Published in DiRROS: 29.09.2022; Views: 41; Downloads: 10
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Redčenje gozdov po švedsko v Sloveniji
Matevž Triplat, Nike Krajnc, Tina Jemec, Urban Žitko, Mirko Baša, 2020, professional article

Keywords: sečnja, Smallwood, redčenje, stroj za sečnjo, gozdarstvo, gozdovi, letvenjak, strojna sečnja
Published in DiRROS: 16.09.2022; Views: 101; Downloads: 14
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Pregled leta 2019
Matevž Triplat, 2020, professional article

Keywords: WoodChainManager, spletni portali, gozdna tehnika, pregledi, gozdarstvo, gozdovi, cene lesa, cene gozdarskih storitev
Published in DiRROS: 16.09.2022; Views: 76; Downloads: 16
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Cene gozdarskih storitev v Sloveniji - marec 2022
Katarina Flajšman, Matevž Triplat, 2022, professional article

Keywords: gozdarske storitve, sečnja, spravilo lesa, prevoz lesa, cene
Published in DiRROS: 02.08.2022; Views: 139; Downloads: 65
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Kazalniki gospodarjenja z gozdovi v Sloveniji
2022, professional monograph

Keywords: pridobivanje lesa, profesionalizacija del, biogospodarstvo, trg lesa in lesnih proizvodov, lastništvo gozdov
Published in DiRROS: 25.05.2022; Views: 236; Downloads: 131
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Environmental impacts of boom-corridor and selectively thinned small-diameter-tree forests
Teresa de la Fuente, Dan Bergström, Raul Fernandez-Lacruz, Teppo Hujala, Nike Krajnc, Ruben Laina, Tomas Nordfjell, Matevž Triplat, Eduardo Tolosana, 2022, original scientific article

Abstract: European forest stands of small-diameter trees can provide industries with biomass as an alternative to fossil use. Small-tree harvesting is costly using conventional methods but using accumulating felling heads (AFH) in combination with a novel boom-corridor thinning (BCT) technique can increase harvester productivity and supply cost efficiency. This method has great potential to reduce costs, but its environmental impact compared with selective thinning (ST) needs to be determined. The objectives of this study were therefore to quantify and compare tree and soil damage as well as air, water and soil emissions for both BCT and ST in various European small-diameter-tree forests. Trials were performed in 84 study units (42 replications per thinning technique) across four countries. Damaged trees (with a diameter at breast height ≥ 7 cm) were measured after thinning and after forwarding. Harvesting emissions were calculated from a life cycle assessment. The percentage of remaining trees that had been damaged by the harvesting processes was 13% and 19% for BCT and ST, respectively, and the difference was significant. BCT exhibited the lowest emissions in all environmental impact categories considered, in all countries. Greenhouse gas emissions were on average 17% lower for BCT. BCT in small-diameter-tree stands therefore reduces the environmental impact of thinning operations compared with conventional methods, and results in less damage to the remaining trees.
Keywords: first thinning, harvesting damages, GHG emissions, forest biomass, forest operations
Published in DiRROS: 17.05.2022; Views: 185; Downloads: 144
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Private forest owner's cooperation in the machinery ring : is it a solution for wood mobilization from small-scale private forests?
Špela Pezdevšek Malovrh, Nike Krajnc, Matevž Triplat, 2022, original scientific article

Abstract: Legislation and policy makers have recognized private forest owners cooperation in machinery ring as an instrument to support wood mobilization through efficient use of machinery. The study analyzes private forest owner’s cooperation in the machinery ring in Slovenia and determines whether this cooperation contributes to wood mobilization from small-scale private forests. The research was conducted in two phases. In the first phase, the survey was conducted among the members of machinery rings at their annual general meetings (24 machinery rings participated in the survey, representing 64.9% of the total number of machinery rings). The questionnaire was distributed to all members present at the annual general meetings (n=529) and only those who were private forest owner or provided services within machinery rings were eligible to complete the questionnaire (n=438). In the second phase, data on the amount of service provided by machinery ring members were compared with the amount of felling in private forests for 2019 to gain insight into the extend of forestry work (timber harvesting) carried out in a private forest under neighbourhood assistance.The results show that machinery rings members are predominantly male, on average 50 years old, mainly with high school education and occupation in agriculture, owning on average 15.2 ha of forest. Regardless of forest management activities, machinery ring members perform forest management activities in their forest by themselves or with the help of family members. Only a small proportion of members use neighbourhood assistance to carry out the work. This most often occurs in the transport of timber. A very small proportion of members provide forest services through the machinery ring, but their scope of services is not insignificant. In 2019, machinery ring members most often performed harvesting activities with the chain saw, followed by timber skidding as a service. Equipment with machinery for providing services is good among members – about three quarters of them have a chainsaw and an adapted agricultural tractor, but this machinery is quite old, showing that machinery is insufficiently used for forestry operations. The results show that machinery rings are nowadays an essential part of strategic (operational) management in Slovenian agriculture and forestry, and provide important insights into the possibilities to improve forestry operations and the future development cooperation between private forest owners in machinery rings to support wood mobilization from small-scale private forests.
Keywords: private forest management, harvesting intensity, cooperation, machinery cooperation, neighbourhood assistance
Published in DiRROS: 25.04.2022; Views: 207; Downloads: 165
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Effects of boom-corridor thinning on harvester productivity and residual stand structure
Dan Bergström, Raul Fernandez-Lacruz, Teresa de la Fuente, Christian Höök, Nike Krajnc, Jukka Malinen, Yrjö Nuutinen, Matevž Triplat, Tomas Nordfjell, 2022, original scientific article

Abstract: Biomass derived from small-diameter, dense, thinning stands is largely underutilized within the European Union, mainly because of in-effective harvesting methods and cutting technology, leading to high supply costs. Therefore, the efficacy of boom-corridor thinning (BCT) and selective thinning (ST) on harvester felling and bunching productivity was compared for the first thinning of whole tree biomass in small-diameter, dense stands. BCT working method is when trees are cut with linear movements of the harvester’s boom reach, along narrow corridors, instead of cutting each tree selectively (ST). Trials were performed in six forest stands, one in Sweden, two in Finland, and three in Slovenia, using the same harvester and operator. A time-and-motion study was carried out in 64 pre-marked study units (32 replications per method), across a variety of stand conditions. The biomass removal for both treatments averaged 40.2 dry t ha -1 and BCT productivity averaged 5.4 dry t PMh -1. For BCT, harvester work time consumption (sec tree -1) and productivity (dry t PMh -1) were on average 27% lower and 16% higher, respectively, compared with ST. The effectiveness of the accumulating felling head technology used could potentially be increased by implementing a feed-roller system when handling excessive tree lengths. Developing dedicated harvesting technology for BCT could further boost productivity, facilitating cost-effective and sustainable utilization of low-value small-diameter tree biomass and replacing fossil resources.
Keywords: bioenergy, accumulating felling head, multi-tree handling, silviculture, bioeconomy, forestry
Published in DiRROS: 20.04.2022; Views: 208; Downloads: 164
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