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Table 3 Number of total tree species, number of narrow-range species, and the percent narrow endemics in elevation zones of Panama, calculated from subsamples of 4167 records in each zone, with standard errors (SE) among replicates of the rarefied subsamples

From: Distribution of Panama’s narrow-range trees: are there hot-spots?

 

All species

Narrow endemics

Percent endemic

Elevation (m)

mean

SE

mean

SE

density

mean

SE

0-250

1181.7

15.9

65.2

5.7

0.001

5.5

0.46

250-500

1346.8

14.8

133.8

6.1

0.010

9.9

0.44

500-750

1327.4

14.9

119.1

5.8

0.020

9.0

0.41

750-1000

1332.1

14.3

143.5

5.8

0.043

10.8

0.41

1000-1500

1154.2

12.8

117.6

5.4

0.035

10.2

0.43

1500-2000

733.1

4.5

92.9

1.4

0.073

12.7

0.19

2000+

421.3

5.9

72.5

2.5

0.099

17.2

0.54

  1. Density was calculated as the mean number of rarefied narrow endemics divided by the area of the elevation band