| Extinction debt: a challenge for biodiversity conservation M Kuussaari, R Bommarco, RK Heikkinen, A Helm, J Krauss, R Lindborg, ... Trends in ecology & evolution 24 (10), 564-571, 2009 | 1029 | 2009 |
| Habitat fragmentation causes immediate and time‐delayed biodiversity loss at different trophic levels J Krauss, R Bommarco, M Guardiola, RK Heikkinen, A Helm, M Kuussaari, ... Ecology letters 13 (5), 597-605, 2010 | 684 | 2010 |
| Slow response of plant species richness to habitat loss and fragmentation A Helm, I Hanski, M Pärtel Ecology Letters 9 (1), 72-77, 2006 | 631 | 2006 |
| Invasions: the trail behind, the path ahead, and a test of a disturbing idea AT Moles, H Flores‐Moreno, SP Bonser, DI Warton, A Helm, L Warman, ... Journal of Ecology 100 (1), 116-127, 2012 | 197 | 2012 |
| Harnessing the biodiversity value of Central and Eastern European farmland LME Sutcliffe, P Batáry, U Kormann, A Báldi, LV Dicks, I Herzon, D Kleijn, ... Diversity and Distributions 21 (6), 722-730, 2015 | 164 | 2015 |
| TRY plant trait database–enhanced coverage and open access J Kattge, G Bönisch, S Díaz, S Lavorel, IC Prentice, P Leadley, ... Global change biology 26 (1), 119-188, 2020 | 129 | 2020 |
| Grassland diversity related to the Late Iron Age human population density M PÄRTEL, A Helm, T Reitalu, J Liira, M Zobel Journal of Ecology 95 (3), 574-582, 2007 | 122 | 2007 |
| Indirect evidence for an extinction debt of grassland butterflies half century after habitat loss A Sang, T Teder, A Helm, M Pärtel Biological Conservation 143 (6), 1405-1413, 2010 | 101 | 2010 |
| Which plant traits predict species loss in calcareous grasslands with extinction debt? L Saar, K Takkis, M Pärtel, A Helm Diversity and Distributions 18 (8), 808-817, 2012 | 93 | 2012 |
| Effect of habitat area and isolation on plant trait distribution in European forests and grasslands R Lindborg, A Helm, R Bommarco, RK Heikkinen, I Kühn, J Pykälä, ... Ecography, 2012 | 93 | 2012 |
| Conservation of Northern European plant diversity: the correspondence with soil pH M Partel, A Helm, N Ingerpuu, U Reier, EL Tuvi Biological Conservation 120 (4), 525-531, 2004 | 90 | 2004 |
| Human influence lowers plant genetic diversity in communities with extinction debt A Helm, T Oja, L Saar, K Takkis, T Talve, M Pärtel Journal of Ecology 97 (6), 1329-1336, 2009 | 81 | 2009 |
| Traits related to species persistence and dispersal explain changes in plant communities subjected to habitat loss L Marini, HH Bruun, RK Heikkinen, A Helm, O Honnay, J Krauss, I Kühn, ... Diversity and Distributions 18 (9), 898-908, 2012 | 80 | 2012 |
| Predicting invasion in grassland ecosystems: is exotic dominance the real embarrassment of richness? EW Seabloom, ET Borer, Y Buckley, EE Cleland, K Davies, J Firn, ... Global Change Biology 19 (12), 3677-3687, 2013 | 72 | 2013 |
| Plant mycorrhizal status, but not type, shifts with latitude and elevation in Europe CG Bueno, M Moora, M Gerz, J Davison, M Öpik, M Pärtel, A Helm, ... Global Ecology and Biogeography 26 (6), 690-699, 2017 | 59 | 2017 |
| Landscape‐and small‐scale determinants of grassland species diversity: direct and indirect influences A Gazol, R Tamme, K Takkis, L Kasari, L Saar, A Helm, M Pärtel Ecography 35 (10), 944-951, 2012 | 59 | 2012 |
| Invasion of woody species into temperate grasslands: relationship with abiotic and biotic soil resource heterogeneity M Pärtel, A Helm Journal of Vegetation Science 18 (1), 63-70, 2007 | 57 | 2007 |
| Dark diversity in dry calcareous grasslands is determined by dispersal ability and stress‐tolerance K Riibak, T Reitalu, R Tamme, A Helm, P Gerhold, S Znamenskiy, ... Ecography 38 (7), 713-721, 2015 | 56 | 2015 |
| Formation and persistence of dry grassland diversity: role of human history and landscape structure A Helm | 53 | 2007 |
| Ecological theory provides strong support for habitat restoration P Török, A Helm Biological Conservation 206, 85-91, 2017 | 51 | 2017 |
Meelis PärtelProfessor of Botany, University of TartuVerified email at ut.ee
