Dr. Jesse M. Kalwij*

Jesse M. Kalwij

Scientific coordinator *until May 2018

Olshausenstraße 75, 24118 Kiel, Raum: 308a
Phone: +49 (0) 431 880-4082
Telefax: +49 (0) 431 880-4083

Curriculum Vitae

Since 2015
Senior Researcher, Kiel University, Germany

2013 – 2016
Research fellow (Visiting Academic), University of Johannesburg, Auckland Park, South Africa

2014 – 2015
Researcher, Institute of Botany (The Czech Academy of Sciences), Brno, Czech Republic

2009 – 2013
Senior Researcher, University of Tartu, Tartu, Estonia

2005 – 2009
Postdoctoral fellow, Stellenbosch University, Stellenbosch, South Africa

2002 – 2005
PhD candidate, Swiss Federal Institute for Forest, Snow and Landscape Research WSL, Birmensdorf, Switzerland

Vegetation ecologist, Wageningen University, The Netherlands

2000 – 2001
Botanist, Tau Consultants (Pty) Ltd., Maun, Botswana.

1994 – 1999
Biology (MSc), Wageningen University, The Netherlands

Selected publications


Steyn, C., Greve, M., Robertson, M.P., Kalwij, J.M. & le Roux, P.C. (2017). Alien plant species that invade high elevations are generalists: support for the directional ecological filtering hypothesis. Journal of Vegetation Science 28: 337–346.
Doi: 10.1111/jvs.12477


Haussmann, N.S., Kalwij, J.M. & Bezuidenhout, S. (2016). Some ecological side-effects of chemical and physical bush clearing in a southern African rangeland ecosystem. South African Journal of Botany 102: 234–239.
Doi: 10.1016/j.sajb.2015.07.012


Kalwij, J.M., Robertson, M.P. & Van Rensburg, B.J. 2015. Annual monitoring reveals rapid upward movement of exotic plants in a montane ecosystem. Biological Invasions.
Doi: 10.1007/s10530-015-0975-3

Vild, O., Kalwij, J.M. & Hédl, R. 2015. Seasonal effects of experimental litter removal in a central European forest ecosystem. Applied Vegetation Science.
Doi: 10.1111/avsc.12180


Kalwij, J.M., Le Roux, P.C. & Steyn, C. 2014. First naturalised Solidago gigantea Aiton (Asteraceae) in southern Africa; long-term monitoring as an effective early detection means. South African Journal of Botany 93: 204–206.

Kalwij, J.M., Robertson, M.P., Ronk, A., Pärtel, M. & Zobel, M. 2014. Spatially-explicit estimation of geographical representation in large-scale species distribution datasets. PLoS One 9: e95065.


Kasari, L., Gazol, A., Kalwij, J.M. & Helm, A. 2013. Low shrub cover in calcareous grasslands increases small-scale diversity by promoting the occurrence of generalist species. Tuexenia 33: 293–308.

Barnaud, A., Kalwij, J.M., Berthouly, C., Mc Geoch, M.A. & Jansen van Vuuren, B. 2013. Are road verges corridors for weed invasion? Insights from the fine scale spatial genetic structure of Raphanus raphanistrum. Weed Research 53: 362–369.

Barnaud, A., Kalwij, J.M., McGeoch, M.A. & Jansen van Vuuren, B. 2013. Patterns and pathways of weed invasion: evidence from the spatial genetic structure of Raphanus raphanistrum. Biological Invasions 15: 2455–2465.

Haussmann, N.S., Rudolph, E.M., Kalwij, J.M. & McIntyre, T. 2013. Fur seal populations facilitate establishment of exotic vascular plants. Biological Conservation 162: 33–40.

Öpik, M., Zobel, M., Cantero, J.J., Davison, J., et al. 2013. Global sampling of plant roots expands the described molecular diversity of arbuscular mycorrhizal fungi. Mycorrhiza 23: 411–430.

Le Roux, P.C., Ramaswiela, T., Kalwij, J.M., Shaw, J.D., Ryan, P.G., Treasure, A.M., McClelland, G.T.W., McGeoch, M.A. & Chown, S.L. 2013. Human activities, propagule pressure and the alien plants in the sub-Antarctic: evidence in support of management. Biological Conservation 161: 18–27.

Kalwij, J.M. & Smit, C. 2013. How authors can maximise the chance of manuscript acceptance and article visibility. Learned Publishing 26: 28–31.

2002 – 2012

Chown, S.L., Le Roux, P.C., Ramaswiela, T., Kalwij, J.M., Shaw, J.D. & McGeoch, M.A. 2012. Climate change and elevational diversity capacity: do weedy species take up the slack? Biology Letters 9: 20120806.

Kalwij, J.M. 2012. Review of ‘The Plant List, a working list of all plant species’. Journal of Vegetation Science 23: 998–1002.


Metsoja, J.-A., Neuenkamp, L., Pihu, S., Vellak, K., Kalwij, J.M. & Zobel, M. 2011. Restoration of flooded meadows in Estonia – vegetation changes and indicators. Applied Vegetation Science 15: 231–244.

Kalwij, J.M., De Boer, W.F., Mucina, L., Prins, H.H.T., Skarpe, C. & Winterbach, C. 2010. Elephant impacts on spatiotemporal tree dynamics around seasonal and artificial waterpoints in northern Botswana. Ecological Applications 20: 222–233.

Öpik, M., Vanatoa, A., Vanatoa, E., Moora, M., Davison, J., Kalwij, J.M., Reier, Ü. & Zobel, M. 2010. The online database MaarjAM reveals global and ecosystemic distribution patterns in arbuscular mycorrhizal fungi (Glomeromycota). New Phytologist 188: 223–241.

McGeoch, M.A., Kalwij, J.M. & Rhodes, J.I. 2009. A spatial assessment of Brassica napus gene flow potential to wild and weedy relatives in the Fynbos Biome. South African Journal of Science 105: 109–115.

Kalwij, J.M., Robertson, M.P. & Van Rensburg, B.J. 2008. Human activity facilitates altitudinal expansion of exotic plants along a road in montane grassland, South Africa. Applied Vegetation Science 11: 491–498.

Bolli, J., Wagner, H.H., Kalwij, J.M., Werth, S., Cherubini, P., Scheidegger, C. & Rigling, A. 2008. Growth dynamics after historic disturbances in a montane forest and its implications for an endangered epiphytic lichen. Botanica Helvetica 118: 111–127.

Kalwij, J.M., Milton, S.J. & McGeoch, M.A. 2008. Road verges as invasion corridors? A spatial hierarchical test in an arid ecosystem. Landscape Ecology 23: 439–451

McGeoch, M.A., Chown, S.L. & Kalwij, J.M. 2006. A global indicator for biological invasion. Conservation Biology 20: 1635–1646.

Wagner, H.H., Werth, S., Kalwij, J.M., Bolli, J. & Scheidegger, C. 2006. Modelling forest recolonization by an epiphytic lichen using a landscape genetic approach. Landscape Ecology 21: 849–865.

Werth, S., Wagner, H.H., Gugerli, F., Holderegger, R., Csencsics, D., Kalwij, J.M. & Scheidegger, C. 2006. Quantifying dispersal and establishment limitation in a population of an epiphytic lichen. Ecology 87: 2037–2046.

Werth, S., Wagner, H.H., Holderegger, R., Kalwij, J.M. & Scheidegger, C. 2006. Effect of disturbances on the genetic diversity of an old-forest associated lichen. Molecular Ecology 15: 911–921.

Kalwij, J.M., Wagner, H.H. & Scheidegger, C. 2005. Effects of stand-level disturbance events on the spatial distribution of a lichen indicator of forest conservation value. Ecological Applications 15: 2015–2024.

Procheş, Ş., Wilson, J.R.U., Veldtman, R., Kalwij, J.M., Richardson, D.M. & Chown, S.L. 2005. Landscape corridors: Possible dangers? Science 310: 779.

Kalwij, J.M., Sýkora, K.V. & Keizer, P.J. 2004. Een botanische evaluatie van 15 jaar rijkswegbermbeheer. De Levende Natuur 105: 104–108.

Sýkora, K.V., Kalwij, J.M. & Keizer, P.J. 2002. Phytosociological and floristic evaluation of a 15-year ecological management of roadside verges in the Netherlands. Preslia 74: 421–436.

Grants & Awards

South African National Research Foundation (NRF)/Knowledge Interchange and Collaboration Travel Grant (2012)

NRF Free-standing Postdoctoral Fellowship (2008 & 2009)
United States Fish & Wildlife Service: African Elephant Conservation Fund (2008)

Department of Science and Technology (DST)-NRF Centre of Excellence for Invasion Biology, Stellenbosch University (2005) two-year postdoctoral fellowship award

National Centres of Competence in Research (NCCR) Plant Survival Competitive Travel Grant (2004)