From: Long-term changes in biological soil crust cover and composition
 |  | 1999 | 2010 | ||||
---|---|---|---|---|---|---|---|
 |  | Cover | Number | IV, P | Cover | Number | IV, P |
Lichens | Â | Â | Â | Â | Â | Â | Â |
Black crustose thalli lacking apothecia | Crustose | 7.2 ± 8.9 | 48 | 58, 0.15 | 5.2 ± 9.6 | 45 | 39, 0.86 |
Cladonia squamules | Squamulose to fruticose | 3.8 ± 5.8 | 47 | 45, 0.66 | 4.6 ± 7.0 | 45 | 51, 0.36 |
Trapeliopsis steppica | Squamulose | 3.1 ± 6.0 | 32 | 46, 0.05 | 1.4 ± 4.4 | 23 | 15, 0.94 |
Diploschistes muscorum | Crustose | 2.2 ± 1.9 | 46 | 52, 0.12 | 1.9 ± 2.0 | 38 | 36, 0.89 |
Trapeliopsis glaucopholis | Squamulose | 1.4 ± 4.5 | 17 | 13, 0.81 | 2.4 ± 7.3 | 19 | 25, 0.22 |
White crustose thalli lacking apothecia | Crustose | 1.0 ± 1.1 | 35 | 61, 0.01 | 0.2 ± 0.4 | 9 | 3, 1 |
Massalongia carnosa | Lobate | 0.9 ± 1.2 | 30 | 37, 0.23 | 0.6 ± 0.5 | 29 | 25, 0.80 |
Leptochidium albociliatum | Lobate | 0.9 ± 0.3 | 44 | 52, 0.01 | 0.7 ± 0.5 | 33 | 30, 1 |
Cf. Buellia spp. | Crustose | 0.8 ± 1.0 | 32 | 27, 0.73 | 1.2 ± 1.4 | 27 | 34, 0.31 |
Arthonia sp. | Crustose to squamulose | 0.6 ± 0.4 | 8 | 6, 1 | 0.5 ± 0.4 | 16 | 22, 0.05 |
Aspicilia spp. | Crustose to fruticose | 0.6 ± 0.5 | 27 | 15, 0.99 | 1.6 ± 3.1 | 35 | 54, 0.02 |
Cf. Trapeliopsis bisorediata | Crustose | 0.6 ± 0.5 | 27 | 13, 1 | 1.8 ± 4.3 | 41 | 65, 0.01 |
Cf. Lecanora garovaglii | Crustose | 0.4 ± 0.8 | 15 | 14, 0.81 | 0.5 ± 1.0 | 16 | 19, 0.26 |
Cf. Rhizocarpon diploschistidina | Lobate | 0.4 ± 0.5 | 17 | 21, 0.18 | 0.2 ± 0.4 | 12 | 10, 0.93 |
Psora spp. | Squamulose | 0.4 ± 0.5 | 19 | 22, 0.42 | 0.3 ± 0.5 | 16 | 15, 0.75 |
Aspicilia filiformis | Lobate | 0.2 ± 0.4 | 8 | 5, 0.99 | 0.4 ± 0.6 | 16 | 24, 0.03 |
Acarospora schleicheri | Crustose | 0.2 ± 0.5 | 29 | 33, 0.22 | 0.3 ± 0.5 | 24 | 23, 0.88 |
Brown crustose thalli lacking apothecia | Crustose | 0.1 ± 0.2 | 3 | 3, 0.62 | 0.1 ± 0.2 | 3 | 3, 0.7 |
Candelariella citrina | Crustose | 0.1 ± 0.3 | 4 | 3, 0.85 | 0.1 ± 0.3 | 7 | 9, 0.35 |
Cladonia fimbriata | Fruticose | 0.1 ± 0.3 | 4 | 3, 0.96 | 0.2 ± 0.3 | 9 | 13, 0.13 |
Cf. Endocarpon spp. | Squamulose | 0.1 ± 0.3 | 4 | 1, 1 | 0.5 ± 0.5 | 24 | 43, 0.01 |
Fuscopannaria cyanolepra | Crustose | 0.1 ± 0.3 | 4 | 8, 0.08 | 0 | 0 | 0, 1 |
Physconia spp. | Lobate to foliose | 0.1 ± 0.3 | 5 | 5, 0.74 | 0.1 ± 0.3 | 6 | 7, 0.48 |
Cf. Caloplaca jungermanniae | Crustose | <0.1 ± 0.1 | 1 | 1, 0.78 | <0.1 ± 0.1 | 1 | 1, 0.72 |
Collema spp. | Crustose | <0.1 ± 0.1 | 1 | 1, 0.71 | <0.1 ± 0.1 | 1 | 1, 0.78 |
Caloplaca tomenii | Crustose | <0.1 ± 0.2 | 2 | 2, 0.81 | 0.1 ± 0.2 | 3 | 4, 0.49 |
Caloplaca stillicidiorum | Crustose | 0 | 0 | 0, 1 | <0.1 ± 0.1 | 1 | 2, 0.57 |
Cladonia verruculosa | Fruticose | 0 | 0 | 0, 1 | <0.1 ± 0.1 | 1 | 2, 0.42 |
Cf. Lecanora zosterae | Crustose | 0 | 0 | 0, 1 | <0.1 ± 0.2 | 2 | 4, 0.28 |
Texosporium sancti-jacobi | Crustose | 0 | 0 | 0, 1 | <0.01 ± 0.2 | 2 | 4, 0.18 |
Lecidea fuscoatra | Crustose | 0 | 0 | 0, 1 | 0.1 ± 0.2 | 3 | 6, 0.11 |
Green crustose thalli lacking apothecia | Crustose | 0 | 0 | 0, 1 | 0.1 ± 0.3 | 4 | 8, 0.08 |
Candelaria sp. | Crustose | 0 | 0 | 0, 1 | 0.1 ± 0.2 | 4 | 8, 0.06 |
Total lichen cover |  | 25 ± 12 |  |  | 26 ± 16 |  |  |
Bryophytes | Â | Â | Â | Â | Â | Â | Â |
Small moss | Short moss | 34.5 ± 23.2 | 48 | 61, 0.02 | 20.7 ± 20.8 | 48 | 38, 1 |
Cf. Syntrichia spp. | Tall moss | 31.3 ± 14.7 | 47 | 69, 0.01 | 9.0 ± 11.1 | 44 | 27, 1 |
Cephaloziella divaricata | liverwort | 0.4 ± 0.8 | 14 | 15, 0.65 | 0.3 ± 0.7 | 16 | 16, 0.48 |
Total bryophyte cover |  | 56 ± 22 |  |  | 30 ± 23 |  |  |
Total crust cover |  | 82 ± 26 |  |  | 56 ± 30 |  |  |