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. 2013 Jan 10;8(1):e53514. doi: 10.1371/journal.pone.0053514

Table 2. Species frequency of occurrence inside (in) and outside (out) cushions of T. caespitosum at four elevation sites in Nubra.

Species Family Clona-lity Life 4850 m 5000 m 5100 m 5250 m
form in out Fp Fa in out Fp Fa in out Fp Fa in out Fp Fa total
Poa attenuata Poa yes H 34 50 *** *** 24 39 *** *** 19 30 ** 30 41 ** 267
Potentilla pamirica Rosa no H 0 8 ** * 14 28 ** ** 18 26 *** 31 29 154
Oxytropis tatarica Faba no H 0 0 1 5 23 32 * 20 32 * * 113
Astragalus strictus Faba no H 30 45 ** *** 11 23 * ** 0 1 *** *** 0 0 110
Astragalus confertus Faba no H 0 0 6 12 * 15 25 * 19 24 * 101
Draba altaica Brassica no Ch 0 2 3 18 *** *** 10 16 22 30 101
Leontopodium leontopodinum Aster yes H 19 21 7 18 ** *** 4 2 4 4 79
Oxytropis densa Faba no H 34 34 5 6 0 0 0 0 79
Artemisia minor Aster no Ch 12 37 *** *** 11 16 0 0 0 0 76
Carex pseudofoetida Cyper yes H 10 13 ** 9 8 1 2 10 10 63
Tanacetum tibeticum Aster no Ch 5 9 4 11 * 5 15 * * 4 5 58
Potentilla bifurca Rosa yes H 15 21 4 4 0 0 0 0 44
Lloydia serotina Lili yes G 0 0 4 3 0 1 18 15 41
Elymus schrenkianus Poa yes H 8 7 0 0 5 4 1 0 25
Potentilla gelida Rosa no H 0 0 6 18 *** *** 0 0 0 0 24
Potentilla multifida agg. Rosa no H 4 10 1 2 0 0 0 0 17
Oxytropis platysema Faba no H 0 0 7 7 0 0 1 1 16
Saussurea glacialis Aster no H 0 0 1 0 4 1 5 5 16
Taraxacum sp. Aster no H 0 0 3 10 * 0 0 1 1 15
Trisetum spicatum Poa yes H 0 0 6 6 0 0 1 0 13
Oxytropis chiliophylla Faba no H 0 0 3 8 * * 0 0 0 0 11
Carex sp. Cyper yes H 5 4 0 0 0 0 0 0 9
Gentianella azurea Gentiana no T 1 4 0 0 0 0 0 4 9
Artemisia santolinifolia Aster no Ch 0 8 *** *** 0 0 0 0 0 0 8
Elymus schugnanicus Poa yes H 3 4 0 0 0 0 0 0 7
Braya humilis Brassica no H 0 0 1 4 0 0 0 1 6
Thalictrum alpinum Ranuncul yes H 0 0 1 1 0 0 1 3 6
Aster flaccidus Aster yes H 0 0 0 0 0 0 1 2 3
Ephedra gerardiana Ephedra yes Ch 2 1 0 0 0 0 0 0 3
Oxytropis pusilla Faba no H 0 2 0 0 0 0 0 1 3
Saussurea gnaphalodes Aster no H 0 0 0 0 2 0 1 0 3
Urtica hyperborea Urtica no H 0 2 *** 1 0 0 0 0 0 3
Potentilla saundersiana Rosa no H 0 2 0 0 0 0 0 0 2
Waldheimia tridactylites Aster no H 0 0 1 1 0 0 0 0 2
Carex borii Cyper yes H 0 0 0 0 0 0 0 1 1
Kobresia schoenoides Cyper yes H 0 0 0 0 0 0 1 0 1
Lomatogonium thomsonii Gentiana no T 0 1 0 0 0 0 0 0 1
Sibbaldia tetrandra Rosa yes Ch 0 0 0 0 0 0 0 1 1
total 182 285 5 7 134 248 8 9 106 155 2 6 171 210 1 3
average richness 2.8 4.3 2.2 4.1 1.5 2.3 2.2 2.8
total richness 14 21 24 22 11 12 18 19

Friedman-based resampling on presence/absence (Fp) and cover-abundance (Fa) data was used to define the preferred position of a species (*** P<0.001, ** P<0.01, * P<0.05). All significant preferences refer to habitat outside cushion. Also shown is potential for clonal growth and life form (H – hemicryptophyte, Ch – chamaephyte, G – geophyte, T - terophyte).