#IMC: September 14 - 18 2025

Identification of forest areas at risk of erosion in small watersheds in Slovenia

Assigned Session: FS 3.191: Forest recovery after disturbance: Challenges and opportunities for the management of mountain forests

Abstract ID: 3.13098 | Accepted as Talk | Requested as: Talk | TBA | TBA

Urša Vilhar (1)
Jaša, Saražin (1); Matjaž, Dovečar (1); Aleksander, Marinšek (1); Erika, Kozamernik (1); Primož, Simončič (1); Jože, Papež (2)

(1) Gozdarski inštitut Slovenije / Slovenian Forestry Institute, Večna pot 2, 1000, Ljubljana, Slovenia
(2) Hidrotehnik, Slovenčeva 1, Ljubljana, Slovenia

Categories: ES-Forests, Hazards, Sustainable Development
Keywords: torrents, forest, risk of erosion, management, Slovenia

Categories: ES-Forests, Hazards, Sustainable Development
Keywords: torrents, forest, risk of erosion, management, Slovenia

Abstract
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The forestry sector in Slovenia faces the challenge of restoring degraded forests after large-scale disturbances. In addition, there is an urgent need to adapt forest management, traditionally based on the Slovenian Forestry School, to increase resilience and reduce the risk of torrential and erosion processes in forested areas. In this study, we present a methodology for identifying forest areas at risk of erosion in small watersheds in Slovenia. The methodology is based on the mapping of small watersheds, the assessment of risk categories for the occurrence of mass movement processes and the forest land use map provided by the Ministry of Agriculture, Forestry and Food. The methodology was tested in five pilot areas: in the municipality of Železniki, Kranjska Gora, Koper, Žalec and Tržič. It is being further developed on a national level and its applicability is being tested by the Slovenia Forest Service. In addition, the “silent witnesses” of torrential processes in a small watershed Zala were analysed.

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