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Silva Fennica 1926-1997
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Silva Fennica vol. 54 no. 3 | 2020

Category: Editorial

article id 10411, category Editorial
Pekka Nygren. (2020). Improvement of reproducibility and research transparency in Silva Fennica. Silva Fennica vol. 54 no. 3 article id 10411. https://doi.org/10.14214/sf.10411
  • Nygren, Finnish Society of Forest Science, Viikinkaari 6, FI-00790 Helsinki, Finland ORCID ID:E-mail: pekka.nygren@metsatiede.org (email)

Category: Research article

article id 10389, category Research article
Juho Matala, Harri Kilpeläinen, Henrik Heräjärvi, Tapio Wall, Erkki Verkasalo. (2020). Sawlog quality and tree dimensions of Scots pine 34 years after artificial moose browsing damage. Silva Fennica vol. 54 no. 3 article id 10389. https://doi.org/10.14214/sf.10389
Highlights: The first controlled, long-term, experimental study on the tree dimensions and sawlog quality after moose damage; The trees damaged at the seedling stage had a smaller diameter, height, and tree volume at the end of the experiment; The heavier the clipping treatment, the more likely the stem form deteriorated; Deteriorated stem form and vertical branches were the most typical defects.

Moose (Alces alces L.) browsing causes severe damage in Scots pine (Pinus sylvestris L.) seedling stands. The effects of this damage on the quality of sawlogs were studied in a long-term controlled experiment. This article reports the stem size and external quality characteristics of Scots pine stems 34 years after artificial moose browsing damage. Damaging the trees by clipping the main stem at the seedling stage reduced the diameter, height, and tree volume of the trees at the end of the experiment. The tree growth reduction was dependent on the severity of clipping. The differences between the damaged and the control trees were more obvious in diameter than in height at the time of final felling. Stem form defects and vertical branches were the most typical externally detectable defects caused by clipping. Defects in the butt logs were detected in 71–89% of the damaged trees, depending on the clipping treatment severity. The stronger the clipping treatment, the more likely the stem form was defected and the more commonly were vertical branches and crooks detected in the stems. The results indicate that both tree dimensions and stem quality suffer from moose browsing. The findings of this controlled experiment more likely underestimate than overestimate the damage in comparison to real moose browsing. Further analyses are required to assess the effects of browsing damage on the internal quality of sawlogs and subsequent economic outcomes.

  • Matala, Natural Resources Institute Finland (Luke), Natural resources, Yliopistokatu 6B, FI-80101 Joensuu, Finland ORCID ID:E-mail: juho.matala@luke.fi (email)
  • Kilpeläinen, Natural Resources Institute Finland (Luke), Bioeconomy and environment, Yliopistokatu 6B, FI-80101 Joensuu, Finland ORCID ID:E-mail: harri.kilpelainen@luke.fi
  • Heräjärvi, Natural Resources Institute Finland (Luke), Production systems, Yliopistokatu 6B, FI-80101 Joensuu, Finland ORCID ID:E-mail: henrik.herajarvi@luke.fi
  • Wall, Natural Resources Institute Finland (Luke), Research infrastructure services, Yliopistokatu 6B, FI-80101 Joensuu, Finland ORCID ID:E-mail: tapio.wall@luke.fi
  • Verkasalo, Natural Resources Institute Finland (Luke), Production systems, Yliopistokatu 6B, FI-80101 Joensuu, Finland ORCID ID:E-mail: erkki.verkasalo@luke.fi
article id 10373, category Research article
Chintan Sheth, Aparajita Datta, Devathi Parashuram. (2020). Persistent loss of biologically-rich tropical forests in the Indian Eastern Himalaya. Silva Fennica vol. 54 no. 3 article id 10373. https://doi.org/10.14214/sf.10373
Highlights: We found a high rate of deforestation occurring in a state managed reserve forest in Indian Eastern Himalaya; Fine-scale analysis showed considerable forest loss around nesting trees for hornbills; Forest monitoring, protection and honest governance are required to effectively protect forests in the Eastern Himalaya biodiversity hotspot.

Using fine-resolution satellite imagery from multiple satellite data products, we assessed the change in forest cover of a state-managed Reserve Forest (RF) located in India’s Eastern Himalaya biodiversity hot-spot. 4.6% of forest cover was lost from Papum RF between 2013 and 2017 at the rate of 8.2 km2 year–1. Three species of hornbills: Great Hornbill Buceros bicornis Linnaeus, 1758, Wreathed Hornbill Rhyticeros undulatus (Shaw, 1811) and Oriental Pied Hornbill Anthracoceros albirostris (Shaw, 1808), that are functionally important are found here with nesting habitat in the areas affected by illegal logging. Therefore, we assessed the habitat loss within a 1 km radius around 29 nest trees. From 2011 to 2019, forest cover declined from 38.55 km2 to 21.94 km2 around these hornbill nest trees. Illegal logging is the main driver that is depleting forest cover within this important bird area. Our results highlight the ongoing threats to biologically-rich forests and the need for urgent measures to halt this loss. We suggest that this study has practical implications for the monitoring and governance of state-managed forests in Arunachal Pradesh.

  • Sheth, #4 Ananda Nilaya, 4th Main Road, Siddhivinayaka Layout, Bengaluru 560097, Karnataka, India ORCID ID:E-mail: chintz604@gmail.com
  • Datta, Nature Conservation Foundation, 1311,“Amritha”, 12th Main, Vijayanagar 1st Stage, Mysore 570017, Karnataka, India ORCID ID:E-mail: aparajita@ncf-india.org (email)
  • Parashuram, Nature Conservation Foundation, 1311,“Amritha”, 12th Main, Vijayanagar 1st Stage, Mysore 570017, Karnataka, India; Department of Geography, University of Cambridge, CB2 3EN, United Kingdom ORCID ID:E-mail: dp608@cam.ac.uk
article id 10355, category Research article
Grzegorz Szewczyk, Raffaele Spinelli, Natascia Magagnotti, Paweł Tylek, Janusz M. Sowa, Piotr Rudy, Dominika Gaj-Gielarowiec. (2020). The mental workload of harvester operators working in steep terrain conditions. Silva Fennica vol. 54 no. 3 article id 10355. https://doi.org/10.14214/sf.10355
Highlights: We analysed a harvester operator’s perception of his work environment as slope gradient increased; Increasingly difficult work conditions (steeper terrain) were reflected by increased eyeball activity; Fixation duration increased with slope gradient, while the duration of saccades was shorter; Variation of the eyeball movement cycles was also related to work difficulty caused by slope gradient.

The use of modern multi-functional forestry machines has already been associated with central nervous system fatigue induced by high mental workload. As these machines are being used under increasingly difficult terrain conditions, further knowledge is required on the expected aggravation of operators’ mental workload, so that suitable work/rest schedules can be developed. Within such a context, the aim of this study was to gauge aggravations of mental workload derived from increasing slope gradient. Measurements of eye activity were obtained from a representative harvester operator working in corridors with the following mean inclinations: 9%, 23% and 47%. The duration, frequency and trajectory of eye movements were used to determine the harvester operator’s mental workload, on the assumption that worsening work conditions would be reflected by increased eyeball activity. The number of fixations during the performance of all tasks increased with the increasing slope gradient. Similarly, fixation duration increased with slope gradient. The mean duration of saccades when working on a 23% slope was 5% shorter compared to work under a 9% gradient. A further significant shortening of saccade duration (~22%) occurred when working on a 47% slope. The good match between eye activity cycles and work cycles, visible especially on steep slopes, indicates that mental workload is related to work conditions. Overall, operating a forest harvester on steep slopes results in a greatly increased mental workload and calls for suitable rest schedules.

  • Szewczyk, University of Agriculture in Krakow; al. 29 Listopada 46, 31-425 Kraków, Poland ORCID ID:E-mail: rlszewcz@cyf-kr.edu.pl (email)
  • Spinelli, National Research Council of Italy, Firenze, via Madonna del Piano, 10 50019 – Sesto Fiorentino, Italy ORCID ID:E-mail: spinelli@ivalsa.cnr.it
  • Magagnotti, National Research Council of Italy, Firenze, via Madonna del Piano, 10 50019 – Sesto Fiorentino, Italy ORCID ID:E-mail: natascia.magagnotti@ibe.cnr.it
  • Tylek, University of Agriculture in Krakow; al. 29 Listopada 46, 31-425 Kraków, Poland ORCID ID:E-mail: rltylek@cyf-kr.edu.pl
  • Sowa, University of Agriculture in Krakow; al. 29 Listopada 46, 31-425 Kraków, Poland ORCID ID:E-mail: janusz.sowa@urk.edu.pl
  • Rudy, State Forests, Biłgoraj Forest District, ul. Zamojska 96, 23-400 Biłgoraj, Poland ORCID ID:E-mail: rudy.piotrek@o2.pl
  • Gaj-Gielarowiec, State Forests, Barycz Forest District, Barycz 69, 26-200 Końskie, Poland ORCID ID:E-mail: dominika.gaj@gmail.com
article id 10341, category Research article
Arta Bārdule, Edgars Jūrmalis, Zane Lībiete, Ilze Pauliņa, Jānis Donis, Agita Treimane. (2020). Use of retail market data to assess prices and flows of non-wood forest products in Latvia. Silva Fennica vol. 54 no. 3 article id 10341. https://doi.org/10.14214/sf.10341
Highlights: Retail prices of non-wood forest products (NWFPs) may be used to study lifestyle-related consumption patterns; While retail sales of NWFPs may increase household budgets, this source of income is highly variable due to varying meteorological conditions; NWFP retail price analysis illustrates aspect of household economies not recorded in official statistics and cash flows of declared income.

In northern Europe, largest part of non-wood forest products (NWFPs) are gathered for recreational purposes and household consumption, but considerable amount of forest berries and mushrooms are sold as well. Retail market, largely invisible for the official statistics, reveals the lifestyle-related aspects of NWFP trade and may help to understand the flows of this ecosystem service when information on wholesale trade is inaccessible. The prices and flows of most common NWFPs – edible berries, mushrooms and tree sap – in the retail market in Latvia in 2017 and 2018 were analysed based on direct interviews with the sellers in marketplaces and telephone interviews with online retailers. The mean retail prices of NWFPs were compared between statistical regions and years and correlated with socio-economic data and forest characteristics. The directions of the NWFP flows were analysed according to the place of origin and place of retail sales. The highest prices were recorded for stinkhorn (Phallus impudicus Pers.) and Boletes spp. among mushrooms, for wild strawberries (Fragaria vesca L.) among berries and for maple (Acer platanoides L.) sap in the product group of tree sap. The retail price of the same products differed between years, most likely due to the product availability, largely caused by meteorological conditions. In more than half of the cases of recorded sales, NWFPs were consumed in the same region as they were gathered. For other cases of sales, the capital, Rīga, was the main service benefitting area of NWFP retail trade, and the largest part of the products originated from the two closest statistical regions.

  • Bārdule, Latvian State Forest Research Institute “Silava”, Rigas str. 111, Salaspils, Latvia, LV-2169 ORCID ID:E-mail: arta.bardule@silava.lv (email)
  • Jūrmalis, Latvian State Forest Research Institute “Silava”, Rigas str. 111, Salaspils, Latvia, LV-2169 ORCID ID:E-mail: edgars.jurmalis@silava.lv
  • Lībiete, Latvian State Forest Research Institute “Silava”, Rigas str. 111, Salaspils, Latvia, LV-2169 ORCID ID:E-mail: zane.libiete@silava.lv
  • Pauliņa, Latvian State Forest Research Institute “Silava”, Rigas str. 111, Salaspils, Latvia, LV-2169 ORCID ID:E-mail: paulina.ilze@gmail.com
  • Donis, Latvian State Forest Research Institute “Silava”, Rigas str. 111, Salaspils, Latvia, LV-2169 ORCID ID:E-mail: janis.donis@silava.lv
  • Treimane, Latvian State Forest Research Institute “Silava”, Rigas str. 111, Salaspils, Latvia, LV-2169; University of Latvia, Jelgavas str. 1, Riga, Latvia, LV-1004 ORCID ID:E-mail: agita.treimane@silava.lv
article id 10284, category Research article
Togtokhbayar Erdene-Ochir , Futoshi Ishiguri, Ikumi Nezu, Bayasaa Tumenjargal, Bayartsesteg Baasan, Ganbaatar Chultem, Jyunichi Ohshima, Shinso Yokota. (2020). Utilization potential of naturally regenerated Mongolian Betula platyphylla wood based on growth characteristics and wood properties. Silva Fennica vol. 54 no. 3 article id 10284. https://doi.org/10.14214/sf.10284
Highlights: Wood with high density and high compressive strength can be obtained near to the bark of Betula platyphylla trees; Basic density of B. platyphylla wood may be predicted by the stress-wave velocity of stems; Growth characteristics are positively correlated with stress-wave velocity and basic density; Early evaluation of basic density is possible when using the wood at 2 cm from the pith: A significant between-site variation was found in the basic density at the position from the 1st to the 15th annual ring from the pith; Wood from B. platyphylla trees grown in Mongolia may be used for industrial products equally to the same species in other countries.

To preliminary evaluate the potential wood utilization of Betula platyphylla Sukaczev trees naturally regenerated in Mongolia, growth characteristics (stem diameter and tree height), wood properties (annual ring width, basic density, and compressive strength parallel to grain at the green condition) of core samples, and stress-wave velocity in stems were investigated for Betula platyphylla trees grown naturally in three different sites in Selenge, Mongolia. Betula platyphylla trees, naturally grown in Nikko, Japan, were also examined to compare wood properties between the two regions. The mean values of stem diameter, tree height, stress-wave velocity of stems, annual ring width, basic density, and compressive strength parallel to grain at green condition in Mongolian B. platyphylla were 17.6 cm, 14.1 m, 3.50 km s–1, 1.27 mm, 0.51 g cm–3, and 20.4 MPa, respectively. Basic density and compressive strength were decreased first from the pith, and then gradually increased toward the bark. The wood properties of B. platyphylla trees grown naturally in Mongolia were similar to those in B. platyphylla trees grown in Japan. Growth characteristics, especially stem diameter, were positively correlated with the stress-wave velocity of stems and basic density. Early evaluation of basic density in B. platyphylla trees is possible by using wood located 2 cm from the pith. Basic density at the position from the 1st to the 15th annual ring from the pith showed significant between-site differences in Mongolian B. platyphylla. Based on the results, it is concluded that the wood of B. platyphylla trees grown in Mongolia may be used for industrial products as well as those from similar species in other countries.

  • Erdene-Ochir , School of Agriculture, Utsunomiya University, Utsunomiya, Tochigi 321-8505, Japan; United Graduate School of Agricultural Science, Tokyo University of Agriculture and Technology, Fuchu, Tokyo 183-8509, Japan; Training and Research Institute of Forestry and Wood Industry, Mongolian University of Science and Technology, Ulaanbaatar 14191, Mongolia ORCID ID:E-mail: togtokhbayarerdeneochir@gmail.com
  • Ishiguri, School of Agriculture, Utsunomiya University, Utsunomiya, Tochigi 321-8505, Japan ORCID ID:E-mail: ishiguri@cc.utsunomiya-u.ac.jp (email)
  • Nezu, School of Agriculture, Utsunomiya University, Utsunomiya, Tochigi 321-8505, Japan ORCID ID:E-mail: zoo-sk3.primo@outlook.jp
  • Tumenjargal, School of Agriculture, Utsunomiya University, Utsunomiya, Tochigi 321-8505, Japan; United Graduate School of Agricultural Science, Tokyo University of Agriculture and Technology, Fuchu, Tokyo 183-8509, Japan; Training and Research Institute of Forestry and Wood Industry, Mongolian University of Science and Technology, Ulaanbaatar 14191, Mongolia ORCID ID:E-mail: t_bayasaa88@yahoo.com
  • Baasan, Training and Research Institute of Forestry and Wood Industry, Mongolian University of Science and Technology, Ulaanbaatar 14191, Mongolia ORCID ID:E-mail: bayartsetseg@must.edu.mn
  • Chultem, Training and Research Institute of Forestry and Wood Industry, Mongolian University of Science and Technology, Ulaanbaatar 14191, Mongolia ORCID ID:E-mail: ganbaatar_ch@must.edu.mn
  • Ohshima, School of Agriculture, Utsunomiya University, Utsunomiya, Tochigi 321-8505, Japan ORCID ID:E-mail: joshima@cc.utsunomiya-u.ac.jp
  • Yokota, School of Agriculture, Utsunomiya University, Utsunomiya, Tochigi 321-8505, Japan ORCID ID:E-mail: yokotas@cc.utsunomiya-u.ac.jp
article id 10273, category Research article
Lasse Aro, Anssi Ahtikoski, Jyrki Hytönen. (2020). Profitability of growing Scots pine on cutaway peatlands. Silva Fennica vol. 54 no. 3 article id 10273. https://doi.org/10.14214/sf.10273
Highlights: The potential wood production on cutaway peatlands can be high; Afforestation with seeding or planting was profitable at 3% rate of interest; In northern Finland, the afforestation method, ditch spacing and fertilization affected the bare land value.

A major after-use option for former peat harvesting areas has been afforestation. The profitability of afforestation with Scots pine trees (Pinus sylvestris L.) was studied in two 31–32-year old experiments in southern and northern Finland. The stands were established by seeding and planting, and various fertilization treatments and drainage intensities were tested. The financial performance for each plot was assessed in three steps. First, the costs occurred during the measurement time were summed up according to their present value. Then, for the rest of the rotation (i.e., from the age of 31/32 onwards) the stand management was optimized in order to maximize the net present value (MaxNPV). Finally, bare land values (BLVs) were calculated by summing up the present value of costs and the MaxNPV and converting the sum of the series into infinity. The afforestation method did not affect the mean annual increment (MAI; 9.2–9.5 m3 ha–1 a–1) in the southern experiment. In the northern experiment the afforestation method, ditch spacing and fertilization had significant effects on the MAI of the stands. The average MAI of the planted pines was 8.9 m3 ha–1 a–1, and for seeded pines it was 7.5 m3 ha–1 a–1. The BLV at an interest rate of 3% was positive for all stands in both regions. In the northern region afforestation method, ditch spacing and fertilization also had a significant effect on the BLV. When the interest rate was 5%, almost two thirds of the stands had a negative BLV in both regions.

  • Aro, Natural Resources Institute Finland (Luke), Bioeconomy and environment, Itäinen Pitkäkatu 4A, FI-20520 Turku, Finland ORCID ID:E-mail: lasse.aro@luke.fi (email)
  • Ahtikoski, Natural Resources Institute Finland (Luke), Natural resources, Paavo Havaksentie 3, FI-90570 Oulu, Finland ORCID ID: https://orcid.org/0000-0003-1658-3813 E-mail: anssi.ahtikoski@luke.fi
  • Hytönen, Natural Resources Institute Finland (Luke), Natural resources, Teknologiakatu 7, FI-67100 Kokkola, Finland ORCID ID: http://orcid.org/0000-0001-8475-3568 E-mail: jyrki.hytonen@luke.fi
article id 10205, category Research article
Michel Soucy, Martin Béland. (2020). A crop tree release variant of precommercial thinning using a backpack mounted chain saw. Silva Fennica vol. 54 no. 3 article id 10205. https://doi.org/10.14214/sf.10205
Highlights: Backpack mounted chain saws offer an opportunity to effectively cut larger stems in precommercial thinning treatments compared to conventional circular blade brushsaws; Productivity in performing precommercial crop tree release (PCTR) in a hardwood stand using a backpack mounted chain saw varied between 0.22 to 0.47 ha h–1.

Although crop tree release (CTR) in hardwood stands is an accepted variant of precommercial thinning (PCT), the lack of an affordable and feasible method hinders its adoption. CTR implies selecting between 150 and 500 trees ha–1 when trees are between 7 and 12 m high and cutting only stems competing with the target crop trees. We performed a field trial of a CTR variant of PCT in a 27.8 ha hardwood stand using a backpack mounted chain saw. A detailed time study was performed to document the trial over 13 days. Compared to conventional PCT performed earlier in the life of a stand, precommercial crop tree release required cutting larger stems, which showed to be feasible and productive using a backpack mounted chain saw. Productivity varied between 0.22 to 0.47 ha h–1 during the trial, Although productivity could vary with stand characteristics and worker, this proof of concept trial demonstrates some of the potential uses that this new saw configuration offers and sets the basis for an eventual larger scale deployment of this treatment.

  • Soucy, Université de Moncton, 165 boulevard Hébert, Edmundston, N.-B. Canada, E3V 2S8, (506) 737-5248 ORCID ID: https://orcid.org/0000-0003-0531-5549 E-mail: michel.soucy@umoncton.ca
  • Béland, Université de Moncton, 165 boulevard Hébert, Edmundston, N.-B. Canada, E3V 2S8, (506) 737-5248 ORCID ID: https://orcid.org/0000-0001-8591-671X E-mail: martin.beland@umoncton.ca (email)

Category: Research note

article id 10263, category Research note
Paul N. Katjutin, Natalia I. Stavrova, Vadim V. Gorshkov, Andrew Yu. Lyanguzov, Irina Ju. Bakkal, Sergey A. Mikhailov. (2020). Radial growth of trees differing in their vitality in the middle-aged Scots pine forests in the Kola peninsula. Silva Fennica vol. 54 no. 3 article id 10263. https://doi.org/10.14214/sf.10263
Highlights: Unmanaged middle-aged boreal Scots pine forests in the Kola peninsula are characterised by the prevalence of moderately and strongly weakened trees (65–70%); Radial increment and basal area increment differ greatly (70–75% and 85–90%, respectively) between Scots pine trees differing in their vitality; The trends of annual ring width in Scots pine trees aged from 15–35 to 65–85 years in green moss and green moss-lichen type pine forests are similar; the dynamics of basal area increment differs substantially in relation to forest site type.

The research was carried out in unmanaged middle-aged (75–85 years) Northern taiga Scots pine (Pinus sylvestris L.) forests in the Kola peninsula. It was established that forests of green moss-lichen and green moss site types are characterised by a predominance (65–70% by stand volume) of moderately and strongly weakened trees. Trees of differing vitality have significant differences in annual increment. Healthy trees had a radial increment (RI) 70–75% greater than that of dying trees, and a basal area increment (BAI) 85–90% greater. The dynamics of the RI and BAI of Scots pine trees for the 70-year period (from 1945 to 2015) is different. The RI of all individuals in the communities studied decreases consistently. The decrease is expressed more strongly in green moss Scots pine forests (80–95% from 1945 to 2015) compared to green moss-lichen forests (60–80%); it manifests itself more in strongly weakened and dying individuals (75–95%) than in healthy and moderately weakened ones (60–80%). Annual basal area increment in green moss Scots pine forests increases by 45–65% from stand establishment until the trees are 25 to 35 years old and subsequently decreases by 50–80% to 70–80 years of age. In green moss-lichen pine forests the BAI of Scots pine remains rather stable in healthy and moderately weakened trees and decreases in strongly weakened and dying individuals by 45% and 75–80%, respectively throughout the studied period.

  • Katjutin, Komarov Botanical Institute of the Russian Academy of Sciences, Professora Popova str. 2, 197376, Saint-Petersburg, Russia ORCID ID:E-mail: paurussia@binran.ru (email)
  • Stavrova, Komarov Botanical Institute of the Russian Academy of Sciences, Professora Popova str. 2, 197376, Saint-Petersburg, Russia ORCID ID:E-mail: nstavrova@binran.ru
  • Gorshkov, Komarov Botanical Institute of the Russian Academy of Sciences, Professora Popova str. 2, 197376, Saint-Petersburg, Russia; Saint-Petersburg State Forest Technical University, letter U, 5, Institutsky per., 194021, Saint-Petersburg, Russia ORCID ID:E-mail: vgorshkov@binran.ru
  • Lyanguzov, Saint-Petersburg State University, 7/9 Universitetskaya Emb., 199034, Saint-Petersburg, Russia ORCID ID:E-mail: andrewlyanguzov@gmail.com
  • Bakkal, Komarov Botanical Institute of the Russian Academy of Sciences, Professora Popova str. 2, 197376, Saint-Petersburg, Russia ORCID ID:E-mail: bakkal@binran.ru
  • Mikhailov, Komarov Botanical Institute of the Russian Academy of Sciences, Professora Popova str. 2, 197376, Saint-Petersburg, Russia ORCID ID:E-mail: smikhailov@binran.ru

Category: Discussion article

article id 10350, category Discussion article
Maja Peteh. (2020). A synthesis of the characteristics of current national, regional and international forestry journals. Silva Fennica vol. 54 no. 3 article id 10350. https://doi.org/10.14214/sf.10350
Highlights: Currently, 451 forestry-related journals are published worldwide (41.7% in Europe, 37.3% in Asia) in 32 different languages (47.9% in English only); 6 categories have been defined for the geographical coverage of a journal (55.5% of which have been defined as national and 18.2% as international); The journals could increase their visibility and value by improving their websites and submitting relevant information to international indexing databases.

One of the main objectives of the International Union of Forest Research Organization’s WP 9.01.06 (Forest Science Publishing) is to clarify the range of forestry-related journals in the context of the overall objective of supporting authors and readers to deepen their knowledge of forestry. This study extended an earlier list of forestry journals using the ISSN database and the CAB abstracts. The study included 451 journal titles, each categorized by ISSN, publisher, language of publication, website, and geographical coverage (i.e. national, regional, international, or three mixed intermediate categories), as well as information on indexing in Web of Science, Scopus, DOAJ, and SherpaRomeo. The included journals are published in 61 countries and in 32 different languages. Those categorized as international are mostly published in English. 21.7% of the journals are indexed in Web of Science and 34.1% in Scopus. 95.6% of the titles are published online or in the print+online publishing model, but only 57.0% of the titles are published in Open Access, of which only 33.7% are indexed in DOAJ.

  • Peteh, University of Ljubljana, Biotechnical Faculty, Večna pot 83, Ljubljana 1000, Slovenia; Slovenian Forestry Institute, Večna pot 2, Ljubljana 1000, Slovenia ORCID ID: https://orcid.org/0000-0002-9636-1155 E-mail: maja.peteh@gozdis.si (email)

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