“…Public-private partnerships (PPPs) have already been increasingly used as alternative to public investments aimed to provide for human needs, such as education and welfare services, as well as infrastructure and development projects (Hodge and Greve, 2005;Minow, 2003;Squires, 1996). The last two decades have witnessed the formation of PPPs also for purposes of conservation, yet mostly involving non-profit non-governmental organizations (NGOs), especially were non-urban types of open spaces are concerned (see for instance, Endicott, 1993;Thackway and Olsson, 1999).…”