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Forskningsartikel - Refereegranskat, 2018

Is the impact of loggings in the last primeval lowland forest in Europe underestimated? The conservation issues of Bialowieza Forest

Mikusinski, Grzegorz; Bubnicki, Jakub Witold; Churski, Marcin; Czeszczewik, Dorota; Walankiewicz, Wieslaw; Kuijper, Dries P. J.

Sammanfattning

Loggings in biodiversity hot-spots are perceived as very serious threat to forest species and habitats of high conservation interest. In this paper we scrutinize the spatial impacts of recent loggings in the Polish part of the renowned Bialowieia Forest being the last remaining area of lowland temperate forest with a primeval character in Europe with the status of World Heritage and Natura 2000 site. The loggings have been applied in order to cope with the outbreak of the spruce bark beetle Ips typographus. We used satellite images to perform cover change detection analysis that delineated areas being logged in Bialowieia Forest between July 2015 and June 2018. Next, we assessed the extent of forest loss in areas with different management regimes as well as landscape-scale impacts. The total area of detected clear-cuts amounted to at least 675 ha, including 229 ha of old-growth stands. Assuming a buffer of 100 m from the edge of cleared forest patches, the cumulative direct and indirect impact of recent logging activities was estimated to amount to at least 4073 ha of affected forest. Logging activities resulted in a 26% increase in fragmentation in the entire Natura 2000 area. We argue that the ecological impact of logging extends beyond the logged areas by modifying the landscape structure and affecting ecosystem functioning on a landscape scale. As such, the recent salvage loggings in the Bialowieia Forest clearly damaged the conservation value of this precious area, not in the least by increasing its fragmentation. To avoid further degradation, we strongly argue for allowing natural tree regeneration on clear cuts and also for the extension of Bialowieia National Park to cover the entire forested area.

Nyckelord

Salvage logging; Core area; Forest biodiversity; Landscape effects

Publicerad i

Biological Conservation
2018, Volym: 227, sidor: 266-274
Utgivare: ELSEVIER SCI LTD

    Associerade SLU-program

    SLU Plant Protection Network

    Globala målen

    SDG15 Life on land

    UKÄ forskningsämne

    Ecology
    Forest Science

    Publikationens identifierare

    DOI: https://doi.org/10.1016/j.biocon.2018.09.001

    Permanent länk till denna sida (URI)

    https://res.slu.se/id/publ/97261