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Ivan Impens (1935-2014)
Ivan Impens (1935-2014)
Professor emeritus (+) of plant and physical ecology
Verified email at ulg.ac.be - Homepage
Title
Cited by
Cited by
Year
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
2421997
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
1582000
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
1491996
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
1071994
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
1041996
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
991989
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
941994
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
911987
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
841988
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
791969
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
752004
Landscape fragmentation assessment using a single measure
J Bogaert, P Van Hecke, DSV Eysenrode, I Impens
Wildlife Society Bulletin, 875-881, 2000
692000
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
671995
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
641996
Effects of rising atmospheric carbon dioxide concentration on gas exchange and growth of perennial ryegrass.
I Nijs, I Impens, T Behaeghe
621988
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
621978
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
601997
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
56*1985
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
461988
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
451998
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Articles 1–20