| Stomatal regulation in a changing climate: a field study using Free Air Temperature Increase (FATI) and Free Air CO2 Enrichment (FACE) I Nijs, R Ferris, H Blum, G Hendrey, I Impens Plant, Cell & Environment 20 (8), 1041-1050, 1997 | 255 | 1997 |
| Alternative area-perimeter ratios for measurement of 2D shape compactness of habitats J Bogaert, R Rousseau, P Van Hecke, I Impens Applied Mathematics and Computation 111 (1), 71-85, 2000 | 166 | 2000 |
| Free air temperature increase (FATI): a new tool to study global warming effects on plants in the field I Nijs, F Kockelbergh, H Teughels, H Blum, G Hendrey, I Impens Plant, Cell & Environment 19 (4), 495-502, 1996 | 153 | 1996 |
| Elevated CO2and Temperature have Different Effects on Leaf Anatomy of Perennial Ryegrass in Spring and Summer R Ferris, I Nijs, T Behaeghe, I Impens Annals of Botany 78 (4), 489-497, 1996 | 111 | 1996 |
| A fractal-based Populus canopy structure model for the calculation of light interception SG Chen, R Ceulemans, I Impens Forest Ecology and Management 69 (1-3), 97-110, 1994 | 107 | 1994 |
| Leaf and canopy responses of Lolium perenne to long-term elevated atmospheric carbon-dioxide concentration I Nijs, I Impens, T Behaeghe Planta 177, 312-320, 1989 | 102 | 1989 |
| Variations in photosynthetic, anatomical, and enzymatic leaf traits and correlations with growth in recently selected Populus hybrids R Ceulemans, I Impens, V Steenackers Canadian Journal of Forest Research 17 (4), 273-283, 1987 | 97 | 1987 |
| The importance of the ratio UV‐B/photosynthetic active radiation (PAR) during leaf development as determining factor of plant sensitivity to increased UV‐B irradiance: Effects … G Deckmyn, C Martens, I Impens Plant, Cell & Environment 17 (3), 295-301, 1994 | 95 | 1994 |
| Stomatal conductance and stomatal behavior in Populus clones and hybrids R Ceulemans, I Impens, R Imler Canadian Journal of Botany 66 (7), 1404-1414, 1988 | 86 | 1988 |
| Extinction of net radiation in different crop canopies I Impens, R Lemeur Archiv für Meteorologie, Geophysik und Bioklimatologie, Serie B 17 (4), 403-412, 1969 | 83 | 1969 |
| Climate warming postpones senescence in High Arctic tundra FL Marchand, I Nijs, M Heuer, S Mertens, F Kockelbergh, JY Pontailler, ... Arctic, Antarctic, and Alpine Research 36 (4), 390-394, 2004 | 77 | 2004 |
| Landscape fragmentation assessment using a single measure J Bogaert, P Van Hecke, DSV Eysenrode, I Impens Wildlife Society Bulletin, 875-881, 2000 | 71 | 2000 |
| Leaf nitrogen content as a predictor of photosynthetic capacity in ambient and global change conditions I Nijs, T Behaeghe, I Impens Journal of Biogeography, 177-183, 1995 | 71 | 1995 |
| Simulation of climate change with infrared heaters reduces the productivity of Lolium perenne L. in summer I Nijs, H Teughels, H Blum, G Hendrey, I Impens Environmental and Experimental Botany 36 (3), 271-280, 1996 | 65 | 1996 |
| Effects of rising atmospheric carbon dioxide concentration on gas exchange and growth of perennial ryegrass. I Nijs, I Impens, T Behaeghe | 63 | 1988 |
| Water movement in the soil-poplar-atmosphere system I. Comparative study of stomatal morphology and anatomy, and the influence of stomatal density and dimensions on the leaf … R Ceulemans, I Impens, R Lemeur, R Moermans, Z Samsuddin | 63 | 1978 |
| The ratio UV-B/photosynthetically active radiation (PAR) determines the sensitivity of rye to increased UV-B radiation G Deckmyn, I Impens Environmental and Experimental Botany 37 (1), 3-12, 1997 | 61 | 1997 |
| A procedural approach for studying the radiation regime of infinite and truncated foliage spaces. Part I. Theoretical considerations RB Myneni, I Impens Agricultural and forest meteorology 33 (4), 323-337, 1985 | 55* | 1985 |
| Influence of tree-fall orientation on canopy gap shape in an Ecuadorian rain forest D Salvador-van Eysenrode, J Bogaert, P Van Hecke, I Impens Journal of Tropical Ecology 14 (6), 865-869, 1998 | 49 | 1998 |
| Genetic variation in aspects of leaf growth of Populus clones, using the leaf plastochron index R Ceulemans, I Impens, V Steenackers Canadian Journal of Forest Research 18 (8), 1069-1077, 1988 | 48 | 1988 |
Reinhart CeulemansEmeritus professor at Department of Biology, University of AntwerpVerified email at uantwerpen.be
