Supplementary Figure S5. Jackknife tests of variable importance for the coralligenous outcrops distribution model: (a) test gain, (b) test AUC. cora: coralligenous outcrops. See Table 3 for full names of environmental variables. Supplementary Figure S6. Jackknife tests of variable importance for the maërl beds distribution model: (a) test gain, (b) test AUC. See Table 3 for full names of environmental variables. Supplementary Table S1. Variables considered for use as input into the models. A subset (12 variables) was selected () for model development. Name Source development EMODNet Bathymetry Hydrography  Portal Bottom World Ocean  salinity Database 2009 Bottom World Ocean  temperature Database 200961 Halpern et al., Bottom type  2008 Chlorophyll Tyberghein et al., a 2012 concentration Diffuse Tyberghein et al., attenuation 2012 coefficient Port location from Distance to World Port Index  ports 2011 River mouth Distance to location from (major) river  ESRI Data and mouths Maps (2012) and
Supplementary Figure S5. Jackknife tests of variable importance for the coralligenous outcrops distribution model: (a) test gain, (b) test AUC. cora: coralligenous outcrops. See Table 3 for full names of environmental variables. Supplementary Figure S6. Jackknife tests of variable importance for the maërl beds distribution model: (a) test gain, (b) test AUC. See Table 3 for full names of environmental variables. Supplementary Table S1. Variables considered for use as input into the models. A subset (12 variables) was selected () for model development. Name Source development Bathymetry EMODNet Hydrography Portal  Bottom salinity World Ocean Database 2009  Bottom temperature World Ocean Database 200961  Bottom type Halpern et al., 2008  Chlorophyll a concentration Tyberghein et al., 2012 Diffuse attenuation coefficient Tyberghein et al., 2012 Distance to ports Port location from World Port Index 2011  Distance to (major) river mouths River mouth location from ESRI Data and Maps (2012) and 
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