Comparative structural dynamics of the Janj mixed old-growth mountain forest in Bosnia and Herzegovina : are conifers in a long-term decline?

Keren, Srdjan (avtor), Motta, Renzo (avtor), Govedar, Zoran (avtor), Lučić, Radovan (avtor), Medarević, Milan (avtor), Diaci, Jurij (avtor)

Regression of conifers in European mixed old-growth mountain forests has been observed for a long period and studied from different aspects. Old-growth (OG) forests in Bosnia and Herzegovina (BiH) have not experienced heavy air pollution and chronic overbrowsing that have affected many other European OG forests, while climatic and anthropogenic disturbances have been well documented. We analysed stand structure in the Janj OG forest, compared it with inventories of Lom and Perucica OG forests (BiH) and with earlier inventories of the same reserves. At present, OG forest Janj is characterized by a high growing stock (1215 m$^3$·ha$^{−1}$). This is due to good site quality, prevalence of conifers (84%) and dominant endogenous processes in recent decades. In all three OG forests, indicators of structural change exhibited progression of European beech over time. Historical evidence revealed the occurrence of warm summers and droughts followed by bark beetle outbreaks in the 1920s, 1940s and early 1950s, which in turn influenced a marked conifer decline. It seems likely that repeated canopy opening released waves of European beech regeneration. These stand structural changes have delayed the rejuvenation of conifers and can help explain the early observations of conifer decline.

• Jezik: Angleški jezik
• Ključne besede: mixed old-growth forest, structural attributes, Fagus sylvatica progression, climatic extremes
• Vrsta gradiva: Članek v reviji
• Tipologija: 1.01 - Izvirni znanstveni članek
• Organizacija: BF - Biotehniška fakulteta
• Status publikacije: Objavljeno
• Različica publikacije: Objavljena publikacija
• Leto izida: 2014
• Št. strani: Str. 1243-1266
• Številčenje: Vol. 5, iss. 6
• PID: 20.500.12556/RUL-130816
• UDK: 630*228.81:630*111.83(497.6)(045)=111
• ISSN pri članku: 1999-4907
• DOI: 10.3390/f5061243
• COBISS.SI-ID: 3872934
• Datum objave v RUL: 17.09.2021

Gradivo je del revije

• Naslov: Forests
• Skrajšan naslov: Forests
• Založnik: MDPI
• ISSN: 1999-4907
• COBISS.SI-ID: 3872166

Licence

• Licenca: CC BY 3.0, Creative Commons Priznanje avtorstva 3.0 Nedoločena
• Povezava: https://creativecommons.org/licenses/by/3.0/deed.sl
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• Začetek licenciranja: 10.06.2014

Sekundarni jezik

• Jezik: Slovenski jezik
• Ključne besede: pragozd, bukev, iglavci, vremenski ekstremi

Projekti

• Financer: ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
• Številka projekta: P4-0059
• Naslov: Gozd, gozdarstvo in obnovljivi gozdni viri

• Financer: Drugi - Drug financer ali več financerjev
• Program financ.: Ministry of Science and Technology, the Republic of Srpska, Bosnia-Herzegovina