• Scientific and normative foundations for the valuation of alien-species impacts: Thirteen core principles 

      Essl, F.; Hulme, P.E.; Jeschke, J.M.; Keller, R.; Pysek, P.; Richardson, D.M.; Saul, W.C.; Bacher, S.; Dullinger, S.; Estevez, R.A.; Kueffer, C.; Roy, H.E.; Seebens, H.; Rabitsch, W. (Oxford University Press, 2017)
      Biological invasions cause many impacts that differ widely in how they are perceived. We argue that many conflicts in the valuation of the impacts of alien species are attributable to differences in the framing of the issue ...