Chapter 2 of the thesis is published in a similar form as:
H. Schlinkert, C. Westphal, Y. Clough, Z. László, M. Ludwig and T. Tscharntke (2015): Plant size as determinant of species richness of herbivores, natural enemies and pollinators across 21 Brassicaceae species. PloS one 10:e0135928.
Chapter 3 of the thesis is published in a similar form as:
H. Schlinkert, C. Westphal, Y. Clough, M. Ludwig, P. Kabouw and T. Tscharntke (2015): Feeding damage to plants increases with plant size across 21 Brassicaceae species. Oecologia 179:455–466.
Chapter 4 of the thesis is published in a similar form as:
H. Schlinkert, C. Westphal, Y. Clough, I. Grass, J. Helmerichs and T. Tscharntke (2016): Plant size affects mutualistic and antagonistic interactions and reproductive success across 21 Brassicaceae species. Ecosphere 7:e01529.