Table 3. Species frequency of occurrence inside (in) and outside (out) cushions of T. caespitosum at four elevation sites in Tso Moriri (see Table 2 for explanation).
Species | Family | Clona-lity | Life | 5350 m | 5600 m | 5750 m | 5850 m | |||||||||||||
form | in | out | Fp | Fa | in | out | Fp | Fa | in | out | Fp | Fa | in | out | Fp | Fa | total | |||
Poa attenuata | Poa | yes | H | 15 | 26 | ** | 34 | 46 | * | ** | 43 | 49 | *** | 27 | 43 | ** | ** | 283 | ||
Draba altaica | Brassica | no | Ch | 0 | 0 | 20 | 39 | ** | ** | 32 | 64 | *** | *** | 29 | 50 | *** | *** | 234 | ||
Saussurea gnaphalodes | Aster | no | H | 1 | 2 | 12 | 20 | * | *** | 16 | 29 | ** | ** | 24 | 38 | * | * | 142 | ||
Desideria pumila | Brassica | no | H | 0 | 0 | 3 | 7 | 22 | 21 | 10 | 13 | 76 | ||||||||
Stellaria decumbens | Caryo | no | H | 0 | 0 | 0 | 3 | 0 | 28 | *** | *** | 0 | 26 | *** | *** | 57 | ||||
Artemisia minor | Aster | no | Ch | 17 | 37 | *** | ** | 0 | 0 | 0 | 0 | 0 | 0 | 54 | ||||||
Waldheimia tridactylites | Aster | no | H | 0 | 0 | 6 | 17 | ** | ** | 0 | 0 | 8 | 13 | * | 44 | |||||
Eritrichium hemisphaericum | Boragin | no | H | 0 | 0 | 0 | 10 | *** | *** | 0 | 9 | ** | ** | 1 | 15 | ** | *** | 35 | ||
Arenaria bryophylla | Caryo | no | Ch | 2 | 5 | 5 | 15 | ** | ** | 0 | 4 | 0 | 0 | 31 | ||||||
Alyssum klimesii | Brassica | no | H | 0 | 0 | 2 | 1 | 1 | 1 | 7 | 15 | * | * | 27 | ||||||
Saussurea glacialis | Aster | no | H | 0 | 1 | 0 | 0 | 6 | 17 | * | 1 | 2 | 27 | |||||||
Potentilla pamirica | Rosa | no | H | 1 | 4 | 5 | 11 | 0 | 4 | *** | *** | 0 | 1 | 26 | ||||||
Dracocephalum heterophyllum | Lami | no | H | 10 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | ||||||||
Carex sagaensis | Cyper | yes | H | 2 | 3 | 0 | 2 | 4 | 8 | ** | 0 | 0 | 19 | |||||||
Oxytropis chiliophylla | Faba | no | H | 2 | 17 | *** | *** | 0 | 0 | 0 | 0 | 0 | 0 | 19 | ||||||
Saxifraga nanella | Saxifraga | yes | Ch | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 16 | *** | *** | 19 | ||||||
Stellaria depressa | Caryo | no | H | 5 | 10 | *** | 0 | 3 | 0 | 0 | 0 | 0 | 18 | |||||||
Saussurea hypsipeta | Aster | no | H | 0 | 0 | 0 | 0 | 2 | 11 | * | ** | 0 | 0 | 13 | ||||||
Draba oreades | Brassica | no | Ch | 2 | 7 | 0 | 0 | 0 | 0 | 1 | 0 | 10 | ||||||||
Elymus schrenkianus | Poa | yes | H | 2 | 7 | * | 0 | 0 | 0 | 0 | 0 | 0 | 9 | |||||||
Aphragmus oxycarpus | Brassica | no | H | 0 | 0 | 0 | 0 | 1 | 3 | 1 | 3 | 8 | ||||||||
Astragalus confertus | Faba | no | H | 0 | 0 | 0 | 8 | *** | *** | 0 | 0 | 0 | 0 | 8 | ||||||
Elymus schugnanicus | Poa | yes | H | 3 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | ||||||||
Delphinium brunonianum | Ranuncul | no | H | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | ||||||||
Urtica hyperborea | Urtica | no | H | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | ||||||||
Festuca tibetica | Poa | yes | H | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 2 | ||||||||
Saxifraga cernua | Saxifraga | yes | H | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | ||||||||
Carex sp. | Cyper | yes | H | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | ||||||||
Saussurea glanduligera | Aster | no | H | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | ||||||||
Stipa subsessiliflora | Poa | yes | H | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | ||||||||
total | 62 | 145 | 3 | 4 | 88 | 182 | 7 | 7 | 129 | 248 | 7 | 8 | 112 | 237 | 7 | 8 | ||||
average richness | 0.9 | 2.2 | 1.3 | 2.8 | 1.8 | 3.7 | 1.5 | 3.3 | ||||||||||||
total richness | 12 | 17 | 9 | 13 | 10 | 13 | 11 | 13 |