1. Poročilo o spremljanju stanja gozdov za leto 2025 : vsebinsko poročilo o spremljanju stanja gozdov v skladu s Pravilnikom o varstvu gozdov (2009)Anže Martin Pintar, Pia Höfferle, Janez Kermavnar, Luka Krajnc, Nike Krajnc, Gal Kušar, Lado Kutnar, Tom Levanič, Gal Oblišar, Nikica Ogris, Matej Rupel, Primož Simončič, Saša Šercer, Urša Vilhar, Daniel Žlindra, 2026, treatise, preliminary study, study Keywords: varstvo gozdov, monitoring, stanje gozdov, zdravstveno stanje krošenj, popis povzročiteljev poškodb, meteorološke meritve, osutost dreves, poročila, Slovenija
Published in DiRROS: 09.07.2026; Views: 63; Downloads: 33
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2. Poročilo o izvedbi naloge javnega naročila: »Vzorčenje nadzemne žive in odmrle biomase ter tal v gozdovih 2025-2026« MEJNIK 3Andreja Ferreira, Polona Hafner, Luka Krajnc, Gal Kušar, Jaka Križaj, Tom Levanič, Boštjan Mali, Aleksander Marinšek, Iza Petek, Anže Martin Pintar, Mitja Skudnik, Primož Simončič, Polona Vukovič, Daniel Žlindra, 2026, treatise, preliminary study, study Keywords: gozdna statistika, podnebni sklad, NGI
Published in DiRROS: 19.06.2026; Views: 138; Downloads: 0
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3. The effect of competition on radial growth, drought resilience and climate sensitivity of three conifer species across Central and Eastern EuropeRebecca Partemi, Daniele Castagneri, Andrei Popa, Ionel Popa, Marcin Miroslav Klisz, Jakub Jeleń, Anna Koszelak, Miroslav Svoboda, Michal Bošela, Dominic Poltak, Tom Levanič, Riccardo Dieni, Allan Buras, Jernej Jevšenak, 2026, published scientific conference contribution abstract Keywords: tree-rings, climate, competition
Published in DiRROS: 12.05.2026; Views: 228; Downloads: 216
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5. Poročilo o izvedbi naloge javnega naročila: »Vzorčenje nadzemne žive in odmrle biomase ter tal v gozdovih 2025-2026« MEJNIK 2Andreja Ferreira, Polona Hafner, Janez Kermavnar, Luka Krajnc, Gal Kušar, Lado Kutnar, Tom Levanič, Boštjan Mali, Aleksander Marinšek, Iza Petek, Anže Martin Pintar, Primož Simončič, Saša Šercer, Mitja Skudnik, Polona Vukovič, Daniel Žlindra, 2025, treatise, preliminary study, study Keywords: gozdna statistika
Published in DiRROS: 28.01.2026; Views: 469; Downloads: 0
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6. Divjad v Sloveniji v zadnjih desetletjih in vpliv sprememb v življenjskem prostoruKatarina Flajšman, Poplas Amanda, Boštjan Pokorny, Tom Levanič, Klemen Jerina, 2025, published scientific conference contribution abstract Keywords: divjad, odstrel, številčnost, habitat, življenjski prostor, okoljski vplivi
Published in DiRROS: 19.12.2025; Views: 501; Downloads: 308
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7. Predlog metodologije za spremljanje stanja gozdov za l. 2026 : predlog metodologije v skladu s Pravilnikom o varstvu gozdov (2009) in mednarodnimi zavezami (Konvencija UN/ECE CLRTAP)Daniel Žlindra, Lado Kutnar, Tom Levanič, Anže Martin Pintar, Urša Vilhar, Primož Simončič, Janez Kermavnar, 2025, treatise, preliminary study, study Keywords: monitoring, stanje gozdov, osutost dreves, poškodovanost dreves, rast dreves, meteorološke meritve, ozon, pritalna vegetacija, fenološka opazovanja, foliarni popis, zračne usedline
Published in DiRROS: 03.11.2025; Views: 483; Downloads: 0 |
8. Poročilo o spremljanju stanja gozdov za leto 2024 : vsebinsko poročilo o spremljanju stanja gozdov v skladu s Pravilnikom o varstvu gozdov (2009)Anže Martin Pintar, Pia Höfferle, Janez Kermavnar, Nike Krajnc, Lado Kutnar, Tom Levanič, Gal Oblišar, Nikica Ogris, Matej Rupel, Primož Simončič, Saša Šercer, Urša Vilhar, Daniel Žlindra, 2025, treatise, preliminary study, study Keywords: varstvo gozdov, monitoring, stanje gozdov, zdravstveno stanje krošenj, popis povzročiteljev poškodb, meteorološke meritve, osutost dreves, poročila, Slovenija
Published in DiRROS: 01.07.2025; Views: 1642; Downloads: 766
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9. Optimizing competitor definitions for the sustainable management of dominant silver fir trees (Abies alba Mill.) in uneven-aged mixed Dinaric forestsMilan Kobal, Tom Levanič, 2025, original scientific article Abstract: Understanding competition between trees is essential for sustainable forest management as interactions between trees in uneven-aged mixed forests play a key role in growth dynamics. This study investigated nine competition indices (CIs) for their suitability to model the effects of neighboring trees on silver fir (Abies alba) growth in Dinaric silver fir-European beech (Fagus sylvatica) forests. Although numerous competition indices have been developed, there is still limited consensus on their applicability in different forest types, especially in mature, structurally complex forest stands. The indices were evaluated using the adjusted coefficient of determination in a linear model wherein the volume growth of the last five years for 60 dominant silver fir trees was modeled as a function of tree volume and competition index. The results demonstrated that distance-dependent indices (e.g., the Hegyi height-distance competition and Rouvinen-Kuuluvainen diameter-distance competition indices), which consider the distance to competitors and their size, perform better than distance-independent indices. Using the optimization procedure in calculating the competition indices, only neighboring trees at a distance of up to 26-fold the diameter at breast height (DBH) of the selected tree (optimal search radius) and with a DBH of at least 20% of that of the target tree (optimal DBH) were considered competitors. Therefore, competition significantly influences the growth of dominant silver firs even in older age classes. The model based solely on tree volume explained 32.5% of the variability in volume growth, while the model that accounted for competition explained 64%. Optimizing the optimal search radius had a greater impact on model performance than optimizing the DBH threshold. This emphasizes the importance of balancing stand density and competition in silvicultural practice.
Keywords: sustainable forest management, Dinaric silver fir-European beech forests, Competition indices, CIs, optimal search distance, optimal diameter at breast height, DBH
Published in DiRROS: 05.06.2025; Views: 911; Downloads: 635
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