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Table 3 Absolute Abundance (N/ha) and proportional abundance (of the total, and in the zone) with respect to height strata of the registered species. High strata (7.20 – 9.00 m), medium strata (4.50 – 7.19 m) and low strata (< 4.50 m)

From: Composition, structure and diversity of a mesquite in Pesquería (Northeastern Mexico)

    Proportion %
Strata I N N/ha−1 Of the total In the zone
Acacia amentacea 9 19 5 31.03
Acacia farnesiana 5 10 2.78 17.24
Havardia pallens 7 15 3.89 24.14
Parkinsonia texana 2 4 1.11 6.9
Prosopis glandulosa 6 13 3.33 20.69
Sum 29 61 16.11 100
Strata II N N/ha Of the total In the zone
 Acacia amentacea 29 60 16.11 27.36
 Acacia farnesiana 10 21 5.56 9.43
 Acacia schaffneri 3 6 1.67 2.83
 Celtis pallida 6 13 3.33 5.66
 Cordia boissieri 1 2 0.56 0.94
 Diospyros palmeri 5 10 2.78 4.72
 Ebenopsis ebano 1 2 0.56 0.94
 Havardia pallens 26 54 14.44 24.53
 Parkinsonia texana 8 17 4.44 7.55
 Prosopis glandulosa 9 19 5 8.49
 Sideroxylon celastrinum 2 4 1.11 1.89
 Zanthoxylum fagara 6 13 3.33 5.66
Sum 106 221 58.89 100
Strata III N N/ha Of the total In the zone
 Acacia amentacea 3 6 1.67 6.67
 Acacia farnesiana 2 4 1.11 4.44
 Acacia schaffneri 6 13 3.33 13.33
 Celtis pallida 2 4 1.11 4.44
 Cordia boissieri 5 10 2.78 11.11
 Diospyros palmeri 5 10 2.78 11.11
 Forestiera angustifolia 3 6 1.67 6.67
 Guaiacum angustifolium 2 4 1.11 4.44
 Havardia pallens 2 4 1.11 4.44
 Parkinsonia texana 3 6 1.67 6.67
 Prosopis glandulosa 5 10 2.78 11.11
 Sideroxylon celastrinum 3 6 1.67 6.67
 Zanthoxylum fagara 4 8 2.22 8.89
Sum 45 91 25 100
Total sum 180 375 100 300