@article{LischeidKalettkaMerzetal.2016,
  author    = {Gunnar Lischeid and Thomas Kalettka and Christoph Merz and J{\"o}rg Steidl},
  title     = {Monitoring the phase space of ecosystems: Concept and examples from the Quillow catchment, Uckermark},
  journal   = {Ecological indicators : integrating monitoring, assessment and management},
  volume    = {65},
  pages     = {55 -- 65},
  doi       = {10.1016/j.ecolind.2015.10.067},
  year      = {2016},
}