Supporting Information Appendix S1: Study area and species The study area is located in the Maritime Alps at the French-Italian border (43° 53' 16" to 44° 24' 20'' N and 7° 39' 1" to 6° 47' 0" E; Elevational range: 320 to 3,297 m a.s.l.; Figure 1). The climate in the region is of the Mediterranean type in the south and the montane or highland type in the north. We used Moretti as a model species. It is a Saxifraga florulenta rare, endemic and strictly alpine plant of the region. Several lines of evidence strongly suggest that is a paleoendemic species that persisted in the Maritime Alps during S. florulenta the Quaternary climate oscillations and in the patchy ice layer during the Last Glacial Maximum (Martini, 1982; Grey-Wilson, 1985; Webb and Gornall, 1989; Conti et al. 1999; Conti & Rutschmann, 2004). The elevational range of occurrences corresponds S. florulenta to the alpine vegetation zone of the Maritime Alps (i.e., from 2,000 to 2,800 m a.s.l. on southern slopes and from 2,000 to 2,600 m a.s.l. on northern slopes, according to Ozenda 1985, although we have found it at 1,700 m.a.s.l on a northern slope). The distribution of S. is restricted to siliceous substrates (Webb & Gornall, 1989; Conti et al. 1999). florulenta Appendix S2: Characterising the landscape potential for CAP framework A 25-m digital elevation model (DEM) for France was obtained from IGN (Institut Géographique National France, ) and for Italy, a 10-m DEM was provided by SITAD (Sistema Informativo Territoriale Ambientale Diffuso, Italy, ). The Italian DEM was using the Nearest Neighbour assignment algorithm (as in Dullinger 2012) to a et al., 25m resolution in ArcMap (ESRI). To calculate the TAF and ultimately the tendency for CAP each valley, we applied the analytical framework proposed by Lundquist (2008) using et al.
Supporting Information Appendix S1: Study area and species The study area is located in the Maritime Alps at the French-Italian border (43° 53' 16" to 44° 24' 20'' N and 7° 39' 1" to 6° 47' 0" E; Elevational range: 320 to 3,297 m a.s.l.; Figure 1). The climate in the region is of the Mediterranean type in the south and the montane or highland type in the north. We used Saxifraga florulenta Moretti as a model species. It is a rare, endemic and strictly alpine plant of the region. Several lines of evidence strongly suggest that S. florulenta is a paleoendemic species that persisted in the Maritime Alps during the Quaternary climate oscillations and in the patchy ice layer during the Last Glacial Maximum (Martini, 1982; Grey-Wilson, 1985; Webb and Gornall, 1989; Conti et al. 1999; Conti & Rutschmann, 2004). The elevational range of S. florulenta occurrences corresponds to the alpine vegetation zone of the Maritime Alps (i.e., from 2,000 to 2,800 m a.s.l. on southern slopes and from 2,000 to 2,600 m a.s.l. on northern slopes, according to Ozenda 1985, although we have found it at 1,700 m.a.s.l on a northern slope). The distribution of S. florulenta is restricted to siliceous substrates (Webb & Gornall, 1989; Conti et al. 1999). Appendix S2: Characterising the landscape potential for CAP framework A 25-m digital elevation model (DEM) for France was obtained from IGN (Institut Géographique National France, ) and for Italy, a 10-m DEM was provided by SITAD (Sistema Informativo Territoriale Ambientale Diffuso, Italy, ). The Italian DEM was using the Nearest Neighbour assignment algorithm (as in Dullinger et al., 2012) to a 25m resolution in ArcMap (ESRI). To calculate the TAF and ultimately the CAP tendency for each valley, we applied the analytical framework proposed by Lundquist et al. (2008) using
tped_a_1302997_sm5388.docx