| Redefining fine roots improves understanding of below‐ground contributions to terrestrial biosphere processes ML McCormack, IA Dickie, DM Eissenstat, TJ Fahey, CW Fernandez, ... New Phytologist 207 (3), 505-518, 2015 | 1255 | 2015 |
| Below-and above-ground biomass, production and nitrogen use in Scots pine stands in eastern Finland HS Helmisaari, K Makkonen, S Kellomäki, E Valtonen, E Mälkönen Forest ecology and management 165 (1-3), 317-326, 2002 | 420 | 2002 |
| Fine root biomass in relation to site and stand characteristics in Norway spruce and Scots pine stands HS Helmisaari, J Derome, P Nöjd, M Kukkola Tree physiology 27 (10), 1493-1504, 2007 | 347 | 2007 |
| Sustainable utilisation of forest biomass for energy—possibilities and problems: policy, legislation, certification, and recommendations and guidelines in the Nordic, Baltic … I Stupak, A Asikainen, M Jonsell, E Karltun, A Lunnan, D Mizaraitė, ... Biomass and Bioenergy 31 (10), 666-684, 2007 | 323 | 2007 |
| Variation in fine root biomass of three European tree species: Beech (Fagus sylvatica L.), Norway spruce (Picea abies L. Karst.), and Scots pine (Pinus sylvestris L.) L Finér, HS Helmisaari, K Lõhmus, H Majdi, I Brunner, I Børja, T Eldhuset, ... Plant Biosystems 141 (3), 394-405, 2007 | 297 | 2007 |
| Logging residue removal after thinning in Nordic boreal forests: Long-term impact on tree growth HS Helmisaari, KH Hanssen, S Jacobson, M Kukkola, J Luiro, ... Forest Ecology and Management 261 (11), 1919-1927, 2011 | 262 | 2011 |
| Surplus carbon drives allocation and plant–soil interactions CE Prescott, SJ Grayston, HS Helmisaari, E Kaštovská, C Körner, ... Trends in ecology & evolution 35 (12), 1110-1118, 2020 | 259 | 2020 |
| Fine-root turnover rates of European forests revisited: an analysis of data from sequential coring and ingrowth cores I Brunner, MR Bakker, RG Björk, Y Hirano, M Lukac, X Aranda, I Børja, ... Plant and Soil 362, 357-372, 2013 | 247 | 2013 |
| Fine root foraging strategies in N orway spruce forests across a E uropean climate gradient I Ostonen, HS Helmisaari, W Borken, L Tedersoo, M Kukumägi, M Bahram, ... Global Change Biology 17 (12), 3620-3632, 2011 | 219 | 2011 |
| Fine root morphological adaptations in Scots pine, Norway spruce and silver birch along a latitudinal gradient in boreal forests I Ostonen, K Lõhmus, HS Helmisaari, J Truu, S Meel Tree Physiology 27 (11), 1627-1634, 2007 | 213 | 2007 |
| Seasonal and yearly variations of fine-root biomass and necromass in a Scots pine (Pinus sylvestris L.) stand K Makkonen, HS Helmisaari Forest ecology and management 102 (2-3), 283-290, 1998 | 195 | 1998 |
| Nutrient retranslocation within the foliage of Pinus sylvestris HS Helmisaari Tree physiology 10 (1), 45-58, 1992 | 190 | 1992 |
| Assessing fine-root biomass and production in a Scots pine stand–comparison of soil core and root ingrowth core methods K Makkonen, HS Helmisaari Plant and soil 210, 43-50, 1999 | 159 | 1999 |
| Element accumulation in boreal bryophytes, lichens and vascular plants exposed to heavy metal and sulfur deposition in Finland M Salemaa, J Derome, HS Helmisaari, T Nieminen, I Vanha-Majamaa Science of the Total Environment 324 (1-3), 141-160, 2004 | 158 | 2004 |
| Models of litterfall production for Scots pine (Pinus sylvestris L.) in Finland using stand, site and climate factors M Starr, A Saarsalmi, T Hokkanen, P Merilä, HS Helmisaari Forest Ecology and Management 205 (1-3), 215-225, 2005 | 155 | 2005 |
| Nutrient cycling in Pinus sylvestris stands in eastern Finland HS Helmisaari Plant and soil 168, 327-336, 1995 | 151 | 1995 |
| Nutrient retranslocation in three Pinus sylvestris stands HS Helmisaari Forest Ecology and Management 51 (4), 347-367, 1992 | 150 | 1992 |
| Fine root biomass and production in Scots pine stands in relation to stand age K Makkonen, HS Helmisaari Tree physiology 21 (2-3), 193-198, 2001 | 148 | 2001 |
| Temporal variation in nutrient concentrations of Pinus sylvestris needles HS Helmisaari Scandinavian Journal of Forest Research 5 (1-4), 177-193, 1990 | 144 | 1990 |
| Sustainable forest biomass: A review of current residue harvesting guidelines BD Titus, K Brown, HS Helmisaari, E Vanguelova, I Stupak, A Evans, ... Energy, Sustainability and Society 11, 1-32, 2021 | 138 | 2021 |
