The importance of calcareous grasslands for butterflies in Europe

Dennis, 1993 Dennis, 1998, Faunal structures among European butterflies: evolutionary implications of bias for geography, endemism and taxonomic affiliation, Ecography, 21, 181, 10.1111/j.1600-0587.1998.tb00672.x Hanski, 1999 Moss, D., Wyatt, B., Cornaert, M.H., Roekaerts, M. (1990) CORINE Biotopes. The design, compilation and use of an inventory of sites of major importance for nature conservation in the European Community. Directorate-General of Environment, Nuclear Saftey and Civil Protection. Pott, 1998, Effects of human interference on the landscape with special reference to the role of grazing lifestock, 107 Van Helsdingen, 1996 Van Swaay, 1999