Ecography. Appendix 1. Band area (km 2 ) Elevational band (m) ECOG-00312

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1 Ecogrphy ECOG-312 Bur, B., Meier, T., Bur, A. nd Schmer, D Terrestril gstropod diversity in n lpine region: disentngling effects of elevtion, re, geometric constrints, hbitt type nd lnd-use intensity. Ecogrphy :. Appendix Bnd re (km 2 ) Elevtionl bnd (m) Figure A1. Lnd re (in km 2 ) for 15-m elevtionl bnds in Vl Müstir.

2 Observed bnd species richness Bnd re (km 2 ) Figure A2. Reltionship between observed bnd species richness nd bnd re (both logrithmic). 1 8 % of smpling sites Elevtion (m) Figure A3. Proportion of smpling sites with different lnd-use intensity in 15-m elevtionl bnds (white: no or little lnd use; grey: moderte intensity of lnd use, blck: intensive lnd use).

3 2 Alpine grsslnds () 2 (b) Mixed coniferous forests 2 Rock wlls (c) Observed locl species richness b b b low moderte high low moderte high low moderte high Lnd-use intensity Figure A4. Effect of lnd-use intensity on observed gstropod species richness t the site level (mens ± SE) for different hbitt types. () lpine grsslnds (n = 76), (b) mixed coniferous forests (n = 21), nd (c) rock wlls (n = 9). Different letters indicte significnt differences between ctegories of lnd-use intensity (Tukey-test) b b Shell size (mm) Forest Openlnd Ubiquitous species Hbitt specificity Figure A5. Assocition between dult shell size nd gstropod hbitt specificity. Mens ± SE re shown. Different letters indicte significnt differences between hbitt specificity types (Tukey-test).

4 () (b) 4 1 Shell size (mm) Men shell size (mm) Medin elevtion (m) Elevtionl bnd (m) Figure A6. Reltionships between () dult shell size of snil species nd their medin elevtionl distribution in Vl Müstir, nd (b) between men shell size of snil species occurring in ech 15-m elevtionl bnd nd elevtion. n = 61 in both cses.

5 Tble A1. Criteri used to define the three ctegories of lnd-use intensity in different hbitt types. Hbitt type Lnd-use intensity none or low moderte high Alpine grsslnd no or little grzing moderte grzing intensive grzing by wildlife by livestock by livestock Scree slope no disturbnce moderte disturbnce frequent disturbnce by trmpling by trmpling Pine forest no mngement some mngement logging in the Rock wll no disturbnce moderte disturbnce frequent disturbnce Lrch forest/psture no mngement little mngement or logging or intensive in the pst 15 yrs moderte use s psture use s psture in the pst 15 yrs in the pst 15 yrs Mixed coniferous forest no mngement little mngement logging in the Medow/psture mowing once yer mowing twice yer mowing more thn or little grzing or moderte grzing twice yer or intensive grzing Hedge, forest edge, woodlet no mngement little mngement logging in the Deciduous forest no mngement little mngement logging in the Dry steppe no or little grzing moderte grzing intensive grzing by wildlife by livestock by livestock Grden no or little regulr mngement intensive mngement mngement

6 Tble A2. Frequency of occurrence (%) nd men number of gstropod individuls recorded per site (in prentheses) in different hbitt types in Vl Münstir. The thret sttus of the species follows the 21 Red List of thretened molluscs in Switzerlnd (Rüetschi et l. 212) Hbitt types Fmily Species RL sttus 1 Grden (3) Dry steppe (4) Deciduous forest (21) Hedge, Medow/psture forest edge, (3) woodlet (16) Mixed coniferous forest (21) Lrch forest/psture (6) Rock wll (9) Pine forest (6) Scree slope (15) Alpine grsslnd (76) Ellobiide Crychium tridenttum LC (.4) 15.5 (.3) (.7) (.4) Succineide Quickell renri EN (.1) Succinell oblong LC (1.) 6.3 (.2) (.5) (.1) Cochlicopide Cochlicop lubric LC (3.8) 37.5 (2.5) (1.1) 33.3 (1.8) 22.2 (.3) (.9) Cochlicop lubricell LC 66.6 (2.) 1. (8.5) 66.7 (5.1) 37.5 (1.2) 1. (1.7) 9.5 (1.4) 16.7 (1.) (.2) 6.7 (.2) 31.6 (1.8) Pyrmidulide Pyrmidul pusill LC (.4) (.4) (52.) 83.3 (1.3) 73.3 (31.1) 4.8 (18.) Vertiginide Columell edentul LC (.8) 42.9 (1.2) 6.3 (.1) (1.5) (.4) (.1) Columell columell LC (.1) (.2) 16.7 (.3) 33.3 (.8) 16.7 (.3) 13.3 (1.5) 7.9 (.2) Trunctellin cylindric LC (.3) 9.5 (.4) (.7) (.2) (.7) Trunctellin cllicrtis NT (.5) (.1) Trunctellin monodon VU (1.3) 2. (.6) 7.9 (.8) Vertigo pusill NT (.5) 12.5 (.2) Vertigo lpestris NT (.5) (.8) 16.7 (.2) 33.3 (1.7) 16.7 (.8) 6.7 (.3) 11.8 (.2) Vertigo pygme LC (.7) (.1) Vertigo genesii EN (.1) Chondrinide Abid secle LC (.1) (1.7) 4. (3.5) 11.8 (.6) Pupillide Pupill muscorum LC 33.3 (1.3) (.*) Pupill lpicol EN (.3) (1.6) 9.2 (.4) Pupill sterrii NT (.4) Vlloniide Vlloni costt LC 66.7 (1.) 5. (4.3) 28.6 (5.9) 18.8 (2.1) 1. (8.3) 9.5 (.5) (.7) Vlloni excentric LC 66.7 (1.7) (.1) 33.3 (.7) (.1) Vlloni pulchell LC 66.7 (1.3) Enide Jmini qudridens VU (7.3) (1.2) 5.3 (.4) En montn LC (.3) 28.6 (1.8) 37.5 (1.4) (1.6) 16.7 (6.5) 11.1 (1.8) (.1) Merdiger obscur LC (.3) 4.8 (.5) 6.3 (.1) (.5) Endodontide Punctum pygmeum LC (3.6) 56.3 (1.6) 66.7 (1.7) 52.4 (5.5) 5. (2.3) 55.6 (4.7) 83.3 (4.2) 26.7 (1.5) 25. (.7) Discus rudertus LC (3.1) 31.3 (1.3) (5.4) 33.3 (1.5) 22.2 (.6) 5. (4.8) 33.3 (2.6) 23.7 (3.1) Arionide Arion vulgris NE 33.3 (.7) (.3) 12.5 (.5) Arion fuscus LC 66.7 (4.) (.6) 31.3 (.6) (2.1) 33.3 (2.5) 33.3 (.6) 66.7 (1.8) 4. (.7) 22.4 (.4) Arion silvticus LC (.7) 25. (1.4) 33.3 (.7) 14.3 (.1) (.3) Vitrinide Vitrin pellucid LC - 5. (.5) 71.4 (5.4) 75. (2.2) 66.7 (12.3) 47.6 (2.7) 83.3 (5.7) 22.2 (.3) (2.5) Eucobresi diphn LC (.5) 6.3 (.1) (.3) 33.3 (1.5) (.1) Eucobresi nivlis VU (.6) (.1) 16.7 (1.) 11.1 (.2) 33.3 (.7) (1.2) Eucobresi glcilis VU (.5) (.2) - Gllndi nnulris EN (.5) (.4) 16.7 (.2) 6.7 (.1) 14.5 (.9) Semilimx kotule VU (.1) (.1) Vitrinobrchium breve LC (.1) Zonitide Aegopinell pur LC (1.3) 18.8 (.9) (.5) 16.7 (.2) 11.1 (.3) 5. (.7) (.3) Aegopinell minor LC (5.3) 71.4 (2.9) 62.5 (4.1) 66.7 (1.) 38.1 (2.1) (.7 ) (.4) Perpolit hmmonis LC (.3) 6.3 (.1) (.3) 16.7 (.2) (.2) (.2)

7 Perpolit petronell LC 33.3 (.3) 5. (1.) 66.7 (14.1) 43.8 (1.9) 33.3 (.3) 52.4 (4.5) 33.3 (1.2) 44.4 (1.4) 5. (1.) 4. (.8) 32.9 (1.7) Oxychilus cellrius LC (.5) Oxychilus drprnudi LC (.3) Oxychilus glber NT (.3) 18.8 (.4) (.2) Oxychilus depressus NT (.2) (.5) (.4) Limcide Limx mximus LC (.1) (.1) (.1) (.1) Limx cinereoniger LC (.5) Lehmnni mrgint LC (.5) (.1) (.1) - Mlcolimx tenellus LC (.2) 6.3 (.1) (.1) 16.7 (.2) Agriolimcide Derocers greste LC (.5) 18.8 (2.5) (.2) 16.7 (.2) 11.1 (.1) 33.3 (1.7) 6.7 (.3) 18.7 (1.1) Derocers reticultum LC (.1) Euconulide Euconulus lderi DD (.4) Euconulus fulvus LC (1.2) 56.3 (1.9) (3.5) 5. (1.5) 66.7 (2.3) 66.7 (3.5) 6. (2.9) 5. (4.1) Clusiliide Mcrogstr plictul LC (.5) 12.5 (.3) (.9) (.8) (.4) Clusili dubi LC (.5) 19. (1.4) 12.5 (.8) (1.1) (2.2) (.2) Ble pervers VU (.3) 4.8 (.4) (.4) (.2) Brdybenide Fruticicol fruticum NT (.7) 37.5 (6.7) (.4) Hygromiide Cndidul unifscit VU (.8) (.7) Xerolent obvi LC (12.) (.3) 3.9 (12.8) Monchoides incrntus LC (.5) 12.5 (.6) (1.) (.9) (.1) Trichi hispid NT (.1) Trichi serice LC 66.7 (6.) 25. (5.5) 47.6 (2.9) 56.3 (1.7) 33.3 (2.3) 14.3 (.2) (.9) (.1) 17.1 (2.6) Trichi clndestin LC 66.7 (9.) (.6) Euomphli strigell NT (8.) 9.5 (.6) 18.8 (1.6) (1.) Ciliell cilit NT (.3) 47.6 (1.6) 31.3 (1.6) (1.8) 16.7 (.8) 33.3 (2.2) (.2) Helicide Arint rbustorum LC 33.3 (4.) (21.6) 68.8 (22.4) 33.3 (.3) 66.7 (4.) 33.3 (.3) 33.3 (3.6) - 2. (1.5) 11.8 (1.) Cus holoserice VU (.5) 6.3 (.2) (.4) 33.3 (1.2) (.6) (.2) Cepe hortensis LC (22.) Helix pomti LC 33.3 (4.3) (4.3) 37.5 (4.3) 33.3 (4.) 4.8 (.5) (.4) Lymneide Glb trunctul LC (.1) (1.2) 1 EN: endngered; VU: vulnerble: NT: ner thretened; LC: lest concern (not thretened); DD: dt deficient (not clssified)