Bonnin, M. et al. 2007, The Pan-European Ecological Network: Taking stock. - Council of Europe, Nature and Environment, No 146:
"An ecological network is a system of representative core areas, corridors, stepping stones and buffer zones designed and managed in such a way as to preserve biodiversity, maintain or restore ecosystem services and allow a suitable and sustainable use of natural resources through interconnectivity of its physical elements with the landscape and existing social/institutional structures."
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Graham Bennett (2008): Interaction between policy concerning spatial planning and ecological networks in Europe" (Overview Report)