TWINSPAN sample group TWINSPAN sample group TWINSPAN sample group TWINSPAN sample group TWINSPAN sample group TWINSPAN sample group TWINSPAN sample group TWINSPAN sample group TWINSPAN sample group TWINSPAN sample group
A B C D E F G G H
(a) Classification outcomes (a) Classification outcomes (a) Classification outcomes (a) Classification outcomes (a) Classification outcomes (a) Classification outcomes (a) Classification outcomes (a) Classification outcomes (a) Classification outcomes (a) Classification outcomes (a) Classification outcomes
Eigenvalue for sample group production 0.790 0.790 0.828 0.828 0.583 0.583 0.716 0.716 -
Indicator species
Convolvulus cephalopodus, Pulicaria undulata, Moraea sisyrinchium, Trigonella strigata
Haloxylon salicornicum, Stipagrostis plumosa
Cyperus conglomeratus, Rhanterium epapposum
Zygophyllum qatarense, Salsola imbricata
Fagonia bruguieri
Pennisetum divisum
Heliotropium bacciferum, Cistanche tubulosa
Heliotropium bacciferum, Cistanche tubulosa
no vegetation present
Vegetation variables Vegetation variables Vegetation variables Vegetation variables Vegetation variables Vegetation variables Vegetation variables Vegetation variables Vegetation variables Vegetation variables p
Vegetation height (cm) 7.7b ± 1.5 13.7b ± 1.8 14.8b ± 1.6 16.6ab ± 4.9 3.1c ± 0.7 16.8ab ± 7.8 23.7a ± 12.5 - - <0.001***
Plant diversity (SQ) 2.2 ± 0.7 2.3 ± 0.2 1.7 ± 0.1 1.3 ± 0.3 2.6 ± 0.3 2.9 ± 0.4 1.7 ± 0.3 - - 0.017*
Haloxylon salicornicum frequency (%FQ) 0 25.6 ± 5.0 0 0 0 0 0 - - -
Cyperus conglomeratus frequency (%FQ) 0 1.8 ± 0.7 13.3 ± 3.7 0 0 0 0 - - <0.001***
Rhanterium epapposum frequency (%FQ) 0 0.1± 0.1 15.0 ± 3.1 0.1 ± 0.1 0 0 0 - - <0.001***