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Table 1 Estimated area size, species richness, and 95% confidence intervals of the species pool for the BCI forest plot

From: Estimating species pools for a single ecological assemblage

Sampling fraction

\(\hat{\alpha }\)

Area size (ha)

Optimal threshold t

Area size of pool A

Species richness of pool S A

Estimate

95% CI

Estimate

95% CI

0.25

0.075

12.5

20

1169.2

(843.0, 1623.5)

357.2

(319.0, 417.7)

0.50

0.088

25 

13

1082.6

(736.2, 1597.7)

362.3

(335.8, 401.4)

0.75

0.105

37.5

10

1015.1

(604.8, 1722.3)

349.8

(325.8, 388.3)

1.0

0.100

50

8

973.5

(636.2, 1504.9)

359.8

(339.0, 391.7)

  1. Results from the four different sampling fractions of the plot are presented and compared to show the estimated robustness of our model with respect to varying sampling sizes. Optimal rarity threshold t and clumping parameter \(\hat{\alpha }\) for each sampling scale are also provided for reference