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Table 3 Palm and palm cluster distribution and density by land disturbance gradient

From: Landscape disturbance impacts on Attalea butyracea palm distribution in central Panama

 

Land cover

Palms

Palm Clusters

Distribution

Density

Distribution

Density

km2

%

N

%

N/km2

N

%

N/km2

Mature forest

0.53

0.23

125

0.25

235.85

1

0.29

1.89

Secondary/planted forest

92.16

39.18

25,337

49.72

274.92

173

50.58

1.88

 New growth (≤ 5 years)

5.51

2.34

1593

3.13

289.11

9

2.63

1.63

 Established (> 5 years)

60.22

25.60

16,618

32.61

275.95

135

39.47

2.24

 Riparian zone

26.43

11.24

7126

13.98

269.62

29

8.48

1.10

Pasture

130.42

55.45

24,169

47.43

185.32

164

47.95

1.26

Food crops

3.91

1.66

299

0.59

76.47

1

0.29

0.26

Built environment

8.20

3.49

1025

2.01

125.00

3

0.88

0.37

Total

235.22

 

50,955

  

342

  
  1. p value < 0.05 based on z-test for proportion compared to associated land cover
  2. p value < 0.01 based on z-test for proportion compared to associated land cover