Article Figures & Data
Tables
- Table 1.
Frequency, Edge and Center macroplot densities and Dispersal Ratios (DR) for 24 species organized by life form and increasing DR.
Frequency (24 sites) Edge density (per 12 m2) Center density (per 12 m2 ) Dispersal ratio p-value Shrubs Opuntia polyacantha 13 3.85 1.5 0.39 0.016 Gutierrezia sarothrae 7 1.64 0.7 0.43 0.142 Artemisia frigida 16 14.88 7.0 0.47 0.011 Artemisia tridentata 10 7.7 3.7 0.49 0.093 Graminoids Schedonnardus paniculatus 5 3.4 1.4 0.41 0.382 Stipa comata 16 35.31 16.2 0.45 0.184 Bouteloua gracilis 16 16.81 10.0 0.61 0.160 Koeleria macrantha 19 20 15.7 0.79 0.491 Agropyron smithii 17 83.47 80.1 0.96 0.849 Stipa viridula 14 4.86 4.8 0.99 0.271 Poa secunda 22 52.73 73.6 1.40 0.963 Carex eleocharis 14 16.5 23.8 1.44 0.704 Forbs Achillea millefolium 8 12 1.9 0.16 0.016 Astragalus missouriensis 5 4 0.8 0.20 0.193 Symphyothrichum falcatum 9 25.22 5.1 0.20 0.371 Lomatium foeniculaceum 6 38.8 21.0 0.54 0.259 Antennaria parvifolia 5 3.8 3.2 0.84 0.517 Astragalus gracilis 5 2 1.8 0.90 0.329 Allium textile 10 2.7 2.6 0.96 0.818 Vicia americana 19 65.47 65.6 1.00 0.569 Psoralea argophylla 9 6 6.3 1.06 0.443 Gaura coccinea 10 4.4 6.4 1.45 0.699 Sphaeralcea coccinea 19 14.95 34.3 2.29 0.421 Lygodesmia juncea 6 1.5 6.8 4.55 0.319
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