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Table 3 Absolute density (number per hectare), absolute dominance (square meters per hectare), and importance value index (IVI, percent) of the three areas evaluated

From: Structure, composition and carbon stocks of woody plant community in assisted and unassisted ecological succession in a Tamaulipan thornscrub, Mexico

Specie Control Assisted natural succession Unassisted natural succession
Density Dom   Density Dom   Density Dom  
N ha−1 m2 ha−1 IVI N ha−1 m2 ha−1 IVI N ha−1 m2 ha−1 IVI
Acacia farnesiana * * * 374 544 34.3 38 113 56.6
Acacia rigidula 181 189 16.7 11 16 2.3 * * *
Celtis pallida 4 15 1.1 * * * * * *
Cordia boissieri 234 409 23.9 113 166 14.1 6 1 7.2
Diospyros palmeri 4 9 1 * * * * * *
Ebenopsis ebano 4 25 1.3 55 28 4.6 * * *
Ehretia anacua * * * 6 1 0.7 3 0 3.5
Foresiera angustifolia 2 2 0.7 * * * * * *
Havardia pallens 132 174 11.5 * * * * * *
Jatropha dioica * * * * * * 3 1 3.7
Leucophyllum frutescens 39 18 3 263 141 18.2 8 9 10.3
Leucaena leucocephala * * * 14 8.4 1.7 * * *
Senegalia wrightii 37 30 * * * * * * *
Parkinsonia acueleata * * * 40 111 8.1 * * *
Parkinsonia texana 201 346 19.5 9 19 1.9 * * *
Lantana canescens * * * 24 6 1.9 * * *
Prosopis glandulosa 22 218 7.2 81 30 7 12 2 8.3
Baccharis salicifolia * * * 43 47 5.3 * * *
Yucca filifera 21 68 4.1 * * * * * *
Zanthoxylum fagara 43 102 6.2 * * * * * *
Without Vegetation          10.4
Total Area 924 1604 100 1033 1116 100 70 125 100
  1. * = NA