" Everlasting preservation of the efficiency of ecological systems to yield benefit for present and future generations." 
Bastian and Steinhardt (2002) In: Development and Perspectives of Landscape Ecology. Kluwer Academic Publishers, Dordrecht, Boston, London, 498 pp.


Article(s) in the 'EssayWiki':

• Callon, K., Crisosto, T. (2009) and Nordhoff T. (adapted, changes in 2010): Sustainability Development. (seminar paper, University of Kiel, Ecology Centre, Msc Environmental Science)