Heli Viiri
Heli Viiri
Senior Scientist, Natural Resources Institute Finland (Luke), Luonnonvarakeskus
Verified email at
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Application of methyl jasmonate reduces growth but increases chemical defence and resistance against Hylobius abietis in Scots pine seedlings
J Heijari, AM Nerg, P Kainulainen, H Viiri, M Vuorinen, JK Holopainen
Entomologia Experimentalis et Applicata 115 (1), 117-124, 2005
Living with bark beetles: impacts, outlook and management options
T Hlásny, P Krokene, A Liebhold, C Montagné-Huck, J Müller, H Qin, ...
European Forest Institute, 2019
Induced responses in stilbenes and terpenes in fertilized Norway spruce after inoculation with blue-stain fungus, Ceratocystis polonica
H Viiri, E Annila, V Kitunen, P Niemelä
Trees 15, 112-122, 2001
Climate change induces multiple risks to boreal forests and forestry in Finland: A literature review
A Venäläinen, I Lehtonen, M Laapas, K Ruosteenoja, OP Tikkanen, H Viiri, ...
Global change biology 26 (8), 4178-4196, 2020
Bark beetle outbreaks in Europe: state of knowledge and ways forward for management
T Hlásny, L König, P Krokene, M Lindner, C Montagné-Huck, J Müller, ...
Current Forestry Reports 7, 138-165, 2021
What is the potential for replacing monocultures with mixed-species stands to enhance ecosystem services in boreal forests in Fennoscandia?
S Huuskonen, T Domisch, L Finér, J Hantula, J Hynynen, J Matala, ...
Forest ecology and management 479, 118558, 2021
Suomen metsät 2009–2013 ja niiden kehitys 1921–2013
KT Korhonen, A Ihalainen, A Ahola, J Heikkinen, HM Henttonen, ...
Luonnonvarakeskus (Luke), 2017
J Luoranen, T Saksa, K Uotila
Metsäkustannus Oy, 2012
Ophiostomatoid fungi associated with the spruce bark beetle, Ips typographus, in three areas in France
H Viiri, F Lieutier
Annals of forest science 61 (3), 215-219, 2004
Forest-based bioenergy policies in five European countries: An explorative study of interactions with national and EU policies
BH Lindstad, T Pistorius, F Ferranti, G Dominguez, E Gorriz-Mifsud, ...
Biomass and Bioenergy 80, 102-113, 2015
Suomen metsät 2004–2008 ja niiden kehitys 1921–2008
KT Korhonen, A Ihalainen, H Viiri, J Heikkinen, HM Henttonen, ...
Metsäntutkimuslaitos, 2013
Fungal associates of the spruce bark beetle Ips typographus L.(Col. Scolytidae) in relation to different trapping methods
H Viiri
Journal of Applied Entomology 121 (1‐5), 529-533, 1997
Adult large pine weevils Hylobius abietis feed on silver birch Betula pendula even in the presence of conifer seedlings
R Toivonen, H Viiri
Agricultural and Forest Entomology 8 (2), 121-128, 2006
Effects of mounding on damage by the European pine weevil in planted Norway spruce seedlings
J Heiskanen, H Viiri
Northern Journal of Applied Forestry 22 (3), 154-161, 2005
The mites (Acari) associated with bark beetles in the Koli National Park in Finland
R Penttinen, H Viiri, JC Moser
Acarologia 1 (53), 3-15, 2013
Effects of green tree retention, prescribed burning and soil treatment on pine weevil (Hylobius abietis and Hylobius pinastri) damage to planted Scots pine seedlings
A Pitkänen, K Törmänen, J Kouki, E Järvinen, H Viiri
Agricultural and Forest Entomology 8 (1), 1-12, 2006
Deep planting decreases risk of drought damage and increases growth of Norway spruce container seedlings
J Luoranen, H Viiri
New Forests, 1-14, 2016
Predicting pine weevil risk: effects of site, planting spot and seedling level factors on weevil feeding and mortality of Norway spruce seedlings
J Luoranen, H Viiri, M Sianoja, M Poteri, J Lappi
Forest Ecology and Management 389, 260-271, 2017
Catches of Ips duplicatus and other non-target Coleoptera by Ips typographus pheromone trapping
H Valkama, M Räty, P Niemelä
Entomologica Fennica, 153-159, 1997
Soil preparation reduces pine weevil (Hylobius abietis (L.)) damage on both peatland and mineral soil sites one year after planting.
J Luoranen, H Viiri
Finnish Society of Forest Science, 2012
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