5Carsjens GJ, Ligtenberg A. 2007. A GIS-based support tool for sustainable spatial planning in metropolitan areas. Land- scape and Urban Planning, 80: 72-83.
6Duelli P, Obrist MK. 2003. Biodiversity indicators: The choice of values and measures. Agriculture, Ecosystems and Envi- ronment, 98: 87-98.
7Geneletti D. 2003. Biodiversity Impact Assessment of roads: An approach based on ecosystem rarity. Environmental Impact Assessment Review, 23: 343-365.
8Gontier M, Balfors B, Mortberg U. 2006. Biodiversity in envi- ronmental assessment-current practice and tools for predic- tion. Environmental Impact Assessment Review, 26: 268- 286.
9Lawton JH, Bignell DE, Bolton B, et al. 1995. Biodiversity inventories, indicator taxa and effects of habitat modifica- tion in tropical forest. Nature, 391 : 72-76.
10Lowicki D. 2008. Land use changes in Poland during transfor- mation : Case study of Wielkopolska region. Landscape and Urban Planning, 87: 279-288.