| Climate change and freshwater biodiversity: detected patterns, future trends and adaptations in northern regions J Heino, R Virkkala, H Toivonen Biological Reviews 84 (1), 39-54, 2009 | 921 | 2009 |
| European Red List of Habitats. Part 2. Terrestrial and freshwater habitats JAM Janssen, JS Rodwell, MG Griado, ...., H Toivonen, et al. Publication Office of the European Union, 2016 | 402 | 2016 |
| Aquatic macrophytes and ecological gradients in 57 small lakes in southern Finland H Toivonen, P Huttunen Aquatic botany 51 (3-4), 197-221, 1995 | 260 | 1995 |
| Perigynium and achene epidermis in some species of Carex, subg. Vignea (Cyperaceae), studied by scanning electron microscopy H Toivonen, T Timonen Annales Botanici Fennici, 49-59, 1976 | 96 | 1976 |
| Freshwater Ecosystems FJ Wrona, JD Reist, PA Amundsen, PA Chambers, ..., H Toivonen, et al Arctic Biodiversity Assessment. Status and trends in Arctic Biodiversity, Ed …, 2013 | 70 | 2013 |
| Aquatic plant biodiversity at high latitudes: patterns of richness and rarity in Finnish freshwater macrophytes. J Heino, H Toivonen Boreal environment research 13 (1), 2008 | 68 | 2008 |
| Management effectiveness evaluation of Finland's protected areas B Gilligan, N Dudley, AF de Tejada, H Toivonen Metsähallitus, 2005 | 64 | 2005 |
| Genetic variability of fragmented stands of pedunculate oak (Quercus robur) in Finland P Vakkari, A Blom, M Rusanen, J Raisio, H Toivonen Genetica 127, 231-241, 2006 | 56 | 2006 |
| Kasvillisuuskartoituksessa käytettävä kasvillisuus-ja kasvupaikkaluokitus: kokeiluversio H Toivonen, A Leivo Metsähallituksen luonnonsuojelujulkaisuja. Sarja A 14, 1-99., 1993 | 56 | 1993 |
| Predicting distribution patterns and recent northward range shift of an invasive aquatic plant: Elodea canadensis in Europe R Heikkinen, N Leikola, S Fronzek, R Lampinen, H Toivonen BioRisk 2, 1-32, 2009 | 51 | 2009 |
| Importance of Forest Act habitats for epiphytic lichens in Finnish managed forests J Pykälä, RK Heikkinen, H Toivonen, K Jääskeläinen Forest ecology and management 223 (1-3), 84-92, 2006 | 50 | 2006 |
| Are national biodiversity strategies and action plans appropriate for building responsibilities for mainstreaming biodiversity across policy sectors? The case of Finland S Sarkki, J Niemelä, R Tinch, JP Jäppinen, M Nummelin, H Toivonen, ... Journal of Environmental Planning and Management 59 (8), 1377-1396, 2016 | 49 | 2016 |
| Maintaining biological diversity in Finnish forests R Virkkala, H Toivonen Finnish Environment 278, 1999 | 49 | 1999 |
| No biotic homogenisation across decades but consistent effects of landscape position and pH on macrophyte communities in boreal lakes M Lindholm, J Alahuhta, J Heino, H Toivonen Ecography 43 (2), 294-305, 2020 | 48 | 2020 |
| Ecology and production of aquatic macrophytes in the oligotrophic, mesohumic lake Suomunjärvi, eastern Finland H Toivonen, T Lappalainen Annales Botanici Fennici, 69-85, 1980 | 46 | 1980 |
| Evaluation of the Finnish National Biodiversity Action Plan 1997-2005 AP Auvinen, M Hilden, H Toivonen, E Primmer, J Niemelä Monographs of the Boreal Environmental Research 29, 1-54, 2007 | 43 | 2007 |
| Temporal beta diversity of lake plants is determined by concomitant changes in environmental factors across decades M Lindholm, J Alahuhta, J Heino, H Toivonen Journal of Ecology 109 (2), 819-832, 2021 | 40 | 2021 |
| Ecology of aquatic bryophyte assemblages in 54 small Finnish lakes, and their changes in 30 years K Karttunen, H Toivonen Annales Botanici Fennici, 75-90, 1995 | 36 | 1995 |
| SPONTANEOUS LAREX HYBRIDS OF HELEONASTES AND RELATED SECTIONS IN FENNOSCANDIA H Toivonen | 35 | 1981 |
| Taxonomy of the Carex flava complex (Cyperaceae) in Finland J Pykälä, H Toivonen Nordic Journal of Botany 14 (2), 173-191, 1994 | 34 | 1994 |
Jani HeinoGeography Research Unit, University of OuluVerified email at oulu.fi