Dr Jacob Johansson - research fellow Lund University &  Imperial College - International Career Grant (Swedish Research Council & Marie Sklodowska Curie).

Working with the Gill group I am studying how seasonal resource peaks influence population dynamics, competition and phenological adaptation among pollinators. We also consider the effects of episodes of increased mortality, for example due to pesticide exposure, drought or outbreaks of disease.

 

By studying these temporal aspects of the pollinator environment we hope to provide new perspectives on how climate change and pesticide use influence diversity of pollinators and the ecosystem services they provide.

 

As a theoretical ecologist, my main tool for research is mathematical modelling, especially life-history optimisation, population dynamic modelling and adaptive dynamics.

You can find out more about me on my personal homepage: jacobjohansson.weebly.com including my publications (which you can also to large part find and download on researchgate).

Selected publications:

  1. Johansson, J., Brännström, Å., Metz, J.A.J. and Dieckmann, U. 2018. Twelve fundamental life histories evolving through allocation-dependent fecundity and survival. Ecology and  Evolution. Early view.

  2. Metz, J.A.J, Stankova, K. and Johansson, J. 2016. The canonical equation of adaptive dynamics for life histories: from fitness-returns to selection gradients and Pontryagin's maximum principle. Journal of Mathematical Biology. 72: 1125-1152.

  3. Smallegange, I.M. and Johansson, J.2014. Life history differences favor evolution of male dimorphism in competitive games. The American Naturalist 183: 188–198.

  4. Johansson, J., Bolmgren, K. and Jonzén N. 2013. Climate change and the optimal flowering time of annual plants in seasonal environments. Global Change Biology 1: 197–207.

  5. Johansson, J. and Jonzén, N. 2012. Game theory sheds new light on ecological responses to current climate change when phenology is historically mismatched. Ecology Letters 15: 881–888.

  6. Johansson, J. 2008. Evolutionary responses to environmental changes: How does competition affect adaptation? Evolution 62: 421–435.

Imperial College London

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