@article{LohmannTietjenBlaumetal.2012,
  author    = {Dirk Lohmann and Britta Tietjen and Niels Blaum and David F. Joubert and Florian Jeltsch},
  title     = {Shifting thresholds and changing degradation patterns: climate change effects on the simulated long-term response of a semi-arid savanna to grazing},
  journal   = {Journal of applied ecology : an official journal of the British Ecological Society},
  volume    = {49},
  number    = {4},
  pages     = {814 -- 823},
  doi       = {10.1111/j.1365-2664.2012.02157.x},
  year      = {2012},
}