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Table 1 Absolute and relative abundance, dominance and frequency and importance value index for the species registered in the intensive and extensive livestock area

From: Plant composition and structure of two post-livestock areas of Tamaulipan thornscrub, Mexico

Scientífic name Intensive livestock Extensive livestock
Abundance Dominance Frequency IVI (%) Abundance Dominance Frecuency IVI (%)
N/ha Rel (%) m2/ha Rel (%) Abs Rel (%) N/ha Rel (%) m2/ha Rel (%) Abs Rel (%)  
Cenchrus ciliaris 33333 75.82 6666.67 46.89 100 9.76 44.15 10983 44.2 2198.56 13.63 100 8.51 22.11
Parkinsonia texana 500 1.14 2516.89 17.7 58.33 5.69 8.18 700 2.82 6113.61 37.91 100 8.51 16.41
Cordia boissieri 417 0.95 1999.06 14.06 83.33 8.13 7.71 450 1.81 1779.52 11.03 100 8.51 7.12
Eysendhartia sp. 167 0.38 33.51 0.24 66.67 6.5 2.37 1600 6.44 1031.81 6.4 75 6.38 6.41
Zanthoxylum fagara 883 2.01 100.89 0.71 75 7.32 3.35 1233 4.96 679.5 4.21 100 8.51 5.9
Meximalva filipes 1117 2.54 55.31 0.39 33.33 3.25 2.06 2183 8.79 154.49 0.96 66.67 5.67 5.14
Havardia pallens 150 0.34 186.21 1.31 41.67 4.07 1.91 1450 5.84 816 5.06 33.33 2.84 4.58
Gymnosperma glutinosum 250 0.57 10.31 0.07 16.67 1.63 0.76 1767 7.11 185.94 1.15 58.33 4.96 4.41
Acacia rigidula 917 2.08 544.81 3.83 100 9.76 5.22 683 2.75 588.22 3.65 58.33 4.96 3.79
Lantana macropoda 433 0.99 51.89 0.36 33.33 3.25 1.53 1233 4.96 115.38 0.72 58.33 4.96 3.55
Eragrostis sp. 217 0.49 6.81 0.05 8.33 0.81 0.45 700 2.82 708.33 4.39 33.33 2.84 3.35
Castela erecta 83 0.19 33.88 0.24 8.33 0.81 0.41 183 0.74 431.34 2.67 58.33 4.96 2.79
Ditaxis neomexicana 633 1.44 22.28 0.16 25 2.44 1.35 450 1.81 8.81 0.05 41.67 3.55 1.8
Prosopis glandulosa 50 0.11 373.62 2.63 25 2.44 1.73 33 0.13 488 3.03 16.67 1.42 1.53
Karwinskia humboldtiana 117 0.27 85 0.6 25 2.44 1.1 100 0.4 169.82 1.05 33.33 2.84 1.43
Desmodium sp. 50 0.11 10.14 0.07 25 2.44 0.87 100 0.4 10.24 0.06 41.67 3.55 1.34
Croton sp. 17 0.04 18.85 0.13 8.33 0.81 0.33 400 1.61 42.7 0.26 16.67 1.42 1.1
Celtis pallida 0 0 0 0 0 0 0 33 0.13 216.54 1.34 16.67 1.42 0.97
Condalia hookeri 0 0 0 0 0 0 0 33 0.13 260.79 1.62 8.33 0.71 0.82
Parthenium hysterophorus 600 1.36 34.36 0.24 41.67 4.07 1.89 50 0.2 1.4 0.01 25 2.13 0.78
Viguiera stenoloba 83 0.19 66.47 0.47 8.33 0.81 0.49 117 0.47 19.04 0.12 16.67 1.42 0.67
Sideroxylon lanuginosum 0 0 0 0 0 0 0 33 0.13 31.13 0.19 16.67 1.42 0.58
Guaiacum angustifolium 0 0 0 0 0 0 0 33 0.13 13.39 0.08 16.67 1.42 0.55
Lycium berlandieri 50 0.11 16.12 0.11 25 2.44 0.89 33 0.13 7.55 0.05 16.67 1.42 0.53
Acourtia runcinata 17 0.04 0.19 0 8.33 0.81 0.28 83 0.34 0.47 0 8.33 0.71 0.35
Ziziphus obtusifolia 0 0 0 0 0 0 0 33 0.13 33.33 0.21 8.33 0.71 0.35
Randia obcordata 0 0 0 0 0 0 0 50 0.2 7 0.04 8.33 0.71 0.32
Mimosa malacophylla 17 0.04 15.84 0.11 8.33 0.81 0.32 33 0.13 4.29 0.03 8.33 0.71 0.29
Bouteloua sp. 217 0.49 43.66 0.31 16.67 1.63 0.81 17 0.07 8.33 0.05 8.33 0.71 0.28
Heliotropium angiospermum 50 0.11 1.59 0.01 25 2.44 0.85 17 0.07 0.26 0 8.33 0.71 0.26
Tiquilia sp. 200 0.45 10.1 0.07 16.67 1.63 0.72 17 0.07 0.47 0 8.33 0.71 0.26
Wedelia acapulcensis 67 0.15 24.74 0.17 25 2.44 0.92 17 0.07 1.79 0.01 8.33 0.71 0.26
Acacia farnesiana 17 0.04 8.8 0.06 8.33 0.81 0.3 0 0 0 0 0 0 0
Acacia schaffneri 150 0.34 1079.17 7.59 33.33 3.25 3.73 0 0 0 0 0 0 0
Allionia incarnata 300 0.68 15.93 0.11 8.33 0.81 0.54 0 0 0 0 0 0 0
Desmanthus virgatus 17 0.04 1.34 0.01 8.33 0.81 0.29 0 0 0 0 0 0 0
Mirabilis sp. 17 0.04 0.63 0 8.33 0.81 0.29 0 0 0 0 0 0 0
Parkinsonia aculeata 17 0.04 3.27 0.02 8.33 0.81 0.29 0 0 0 0 0 0 0
Ruellia nudiflora 2250 5.12 130.27 0.92 8.33 0.81 2.28 0 0 0 0 0 0 0
Salvia ballotiflora 17 0.04 2.09 0.01 8.33 0.81 0.29 0 0 0 0 0 0 0
Tamaulipa azurea 67 0.15 17.34 0.12 8.33 0.81 0.36 0 0 0 0 0 0 0
Euphorbia albomarginata 483 1.1 29.95 0.21 16.67 1.63 0.98 0 0 0 0 0 0 0
Total 43967a 100 14218a 100   100 100 24850b 100 16128a 100   100 100
  1. Different letters between the variables of each treatment indicate significant differences (p < 0.05)