Skip to main content

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)