Connectivity of Natura 2000 forest sites in Europe
Creators: name: Estreguil, Christine
name: Caudullo, Giovanni
name: Rigo, Daniele De
Publisher: name: figshare
Year: 2014
Subjects: subject: Ecology
subject: FOS: Biological sciences
subject: FOS: Biological sciences

description: Estreguil, C., Caudullo, G., de Rigo,D., 2014. <strong>Connectivity of Natura 2000 forest sites in Europe</strong>. <em>F1000Posters 2014, 5</em>: 485. doi: 10.6084/m9.figshare.1063300. ArXiv: 1406.1501 <strong>CONNECTIVITY OF NATURA 2000 FOREST SITES</strong> <strong>IN EUROPE</strong> <strong><br></strong> Christine Estreguil ¹, Giovanni Caudullo ¹, Daniele de Rigo ¹ ² ¹ European Commission, Joint Research Centre, Institute for Environment and Sustainability,<br>Via E. Fermi 2749, I-21027 Ispra (VA), Italy ² Politecnico di Milano, Dipartimento di Elettronica, Informazione e Bioingegneria,<br>Via Ponzio 34/5, I-20133 Milano, Italy <strong><br></strong> <strong>Background/Purpose</strong>: In the context of the European Biodiversity policy, the Green Infrastructure Strategy is one supporting tool to mitigate fragmentation, inter-alia to increase the spatial and functional connectivity between protected and unprotected areas. The Joint Research Centre has developed an integrated model to provide a macro-scale set of indices to evaluate the connectivity of the Natura 2000 network, which forms the backbone of a Green Infrastructure for Europe. Themodel allows a wide assessment and comparison to be performed across countries in terms of structural (spatially connected or isolated sites) and functional connectivity (least-cost distances between sites influenced by distribution, distance and land cover).<br><strong>Main conclusion</strong>: The Natura 2000 network in Europe shows differences among countries in terms of the sizes and numbers of sites, their distribution as well as distances between sites. Connectivity has been assessed on the basis of a 500 m average inter-site distance, roads and intensive land use as barrier effects as well as the presence of "green" corridors. In all countries the Natura 2000 network is mostly made of sites which are not physically connected. Highest functional connectivity values are found for Spain, Slovakia, Romania and Bulgaria. The more natural landscape in Sweden and Finland does not result in high inter-site network connectivity due to large inter-site distances. The distribution of subnets with respect to roads explains the higher share of isolated subnets in Portugal than in Belgium. <strong>References</strong> [1] Bennett, J., 2010. OpenStreetMap. Packt Publishing. ISBN: 978-1-84719-750-4.<br>[2] Bennett, G., Bento Pais, R., Berry, P., Didicescu, P. S., Fichter, M., Hlavác, V., Hoellen, K., Jones-Walters, L., Miko, L., Onida, M., Plesník, J., Smith, D.,Wakenhut, F., 2010. Green Infrastructure Implementation: Proceedings of the European Commission Conference 19 November 2010. (Ed: Karhu, J.). European Commission, 28 pp. http://ec.europa.eu/environment/nature/ecosystems/green_infrastructure.htm<br>[3] de Rigo, D., 2012. 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