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A Comparison of the Structure and Composition of Montane and Lowland Tropical Forest in the Serranía Pilón Lajas, Beni, Bolivia

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Table 1. The ten most important species in a one hectare permanent plot at the "Cumbre Pilón" in the Serranía Pilón Lajas, Beni Bolivia; the relative values are calculated as a percentage based on the summed values for all species for abundance, frequencies, and basal area; the importance value is a sum of the relative values.

Species

Abundance

Frequency

Basal area (cm2)

Relative density

Relative frequency

Relative dominance

Importance value

Iriartea deltoidea

93

22

27,177

15.82

6.38

10.29

32.48

Pseudolmedia laevis

74

23

21,791

12.59

6.67

8.25

27.50

Poulsenia armata

24

15

22,981

4.08

4.35

8.70

17.13

Astrocaryum murumuru

37

21

8,653

6.29

6.09

3.28

15.66

Sorocea cf. pileata

31

19

8,880

5.27

5.51

3.36

14.14

Sapium marmierii

19

9

21,082

3.23

2.61

7.98

13.82

Hura crepitans

3

3

30,338

0.51

0.87

11.49

12.87

Euterpe precatoria

21

15

4,314

3.57

4.35

1.63

9.55

Celtis schippii

18

13

5,475

3.06

3.77

2.07

8.90

Inga tomentosa

17

11

4,060

2.89

3.19

1.54

7.62

Subtotals

337

151

154,752

57.31

43.79

58.59

159.67

Other species

310

195

109,317

42.69

56.99

41.41

140.33

Totals

588

345

264,067

100.00

100.00

100.00

300.00

 

 
 
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