Professor Steve Johnson

Professor Steven Johnson’s research focuses on pollination biology, evolution, plant speciation, insect-plant relationships, invasive species, chemical ecology and floral mimicry. He currently holds the DST-NRF SARChI chair in Evolutionary Biology and is an associate editor of Proceedings of the Royal Society B and Biological Journal of the Linnean Society. 

 Position:   Research Chair
 Qualifications:   BSc (Hons) UCT, PhD UCT
Discipline:   Evolutionary Biology and Ecology
Campus:   Pietermaritzburg
Telephone:   033 260 5148
 Research Areas:   The ecology of plant-pollinator interactions. Formation of pollination ecotypes. Pollinator-driven speciation in plants. Plant breeding systems and ecological determinants of fruit and seed set. Floral mimicry in orchids and milkweeds. Coevolution of flowers and insects. Interpretation of trait evolution using phylogenetic analysis. Convergent evolution in plants with specialized pollination systems. Chemical ecology of pollination systems. Breakdown of plant-insect mutualisms in degraded landscapes. Reproductive systems of invasive plants 
 Recent Publications:  

Duffy, K. & Johnson, S. D. 2017. Specialized mutualisms may constrain the geographical distribution of flowering plants. PROCEEDINGS OF THE ROYAL SOCIETY: B (in press)

Krauss, S. L., Phillips, R. D., Karron, J., Johnson, S. D., Roberts, D. G. & Hopper, S. D. 2017 Novel consequences of bird pollination for plant mating. TRENDS IN PLANT SCIENCES 22: 395-410.

Johnson, S. D., Moré, M., Amorim, F. W., Haber, W. A., Frankie, G. W. Stanley, D. A., Coccuci, A .A. & Raguso, R. 2017. The long and the short of it: a global analysis of hawkmoth pollination niches and interaction networks. FUNCTIONAL ECOLOGY 31: 101-115.

Johnson, S. D. & Schiestl, F. P. 2016. Floral mimicry. Oxford University Press, Oxford.

Johnson, S. D. & Raguso, R. 2016. The long-tongued hawkmoth pollinator niche for native and invasive plants in Africa. ANNALS OF BOTANY 117: 25-36.

Websites:   View Google Scholar profile
View Lab website
Postgraduate Candidates:   PG Candidates

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