• Carbon dioxide and methane formation in Norway spruce stems infected by White-rot fungi 

      Hietala, Ari Mikko; Dörsch, Peter; Kvaalen, Harald; Solheim, Halvor (Journal article; Peer reviewed, 2015)
      Globally, billions of tons of carbon sequestered in trees are annually recycled back to the atmosphere through wood decomposition by microbes. In Norway, every fifth Norway spruce shows at final harvest infection by ...
    • Detection of Root, Butt, and Stem Rot presence in Norway spruce with hyperspectral imagery 

      Allen, Benjamin James; Dalponte, Michele; Hietala, Ari Mikko; Ørka, Hans Ole; Næsset, Erik; Gobakken, Terje (Peer reviewed; Journal article, 2022)
      Pathogenic wood decay fungi such as species of Heterobasidion are some of the most serious forest pathogens in Europe, causing rot of tree boles and loss of growth, with estimated economic losses of eight hundred million ...
    • Skogens helsetilstand i Norge. Resultater fra skogskadeovervåkingen i 2020. 

      Timmermann, Volkmar; Beachell, Andreas Myki; Brurberg, May Bente; Børja, Isabella; Clarke, Nicholas; Fløistad, Inger; Hietala, Ari Mikko; Hylen, Gro; Jepsen, Jane Uhd; Nordbakken, Jørn-Frode; Pettersson, Martin; Solberg, Sverre; Solheim, Halvor; Talgø, Venche; Vindstad, Ole Petter Laksforsmo; Økland, Bjørn; Aas, Wenche (NIBIO Rapport, Research report, 2021)
      Skogens helsetilstand påvirkes i stor grad av klima og værforhold, enten direkte ved tørke, frost og vind, eller indirekte ved at klimaet påvirker omfanget av soppsykdommer og insektangrep. Klimaendringene og den forventede ...
    • Spredning av askeskuddsjuke i Europa og Norge 

      Solheim, Halvor; Hietala, Ari Mikko (Journal article, 2017)
    • The ash dieback invasion of Europe was founded by two genetically divergent individuals 

      McMullan, Mark; Rafiqi, Maryam; Kaithakottil, Gemy; Clavijo, Bernardo J; Bilham, Lorelei; Orton, Elizabeth; Percival-Alwyn, Lawrence; Ward, Ben J; Edwards, Anne; Saunders, Diane GO; Accinelli, Gonzalo Garcia; Wright, Jonathan; Verweij, Walter; Koutsovoulos, Georgios; Yoshida, Kentaro; Hosoya, Tsuyoshi; Williamson, Louisa; Jennings, Philip; Ioos, Renaud; Husson, Claude; Hietala, Ari Mikko; Vivian-Smith, Adam; Solheim, Halvor; MaClean, Dan; Fosker, Christine; Hall, Neil; Brown, James KM; Swarbreck, David; Blaxter, Mark; Downie, J Allan; Clark, Matthew D (Journal article, 2018)