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

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