Extended Data Table E4 Generalized additive model results using a geodiversity index as a single predictor.

From: Biodiversity and ecosystem functions depend on environmental conditions and resources rather than the geodiversity of a tropical biodiversity hotspot

Response

Parametric coefficients (Intercept)

Approximate significance of smooth terms

 

Model fit

Estimate

Std. Error

t value

Pr( >|t|)

edf

Ref.df

F

p-value

EDF total

adjR2

Exp. Dev

Shannon diversity

Trees

33.42

3.1

10.77

0

1

1

1.88

0.18

2

0.01

0.03

Testate amoebae

26.07

1.07

24.33

0

1

1

2.27

0.15

2

0.05

0.09

Ants

12.23

1.81

6.74

0

1

1

1.95

0.17

2

0.04

0.07

Birds

33.17

1.88

17.65

0

1.4

1.64

0.34

0.72

2.4

-0.02

0.08

Ecosystem functions

C-sequestration

7.29

0.35

20.52

0

1.85

1.98

2.75

0.07

2.85

0.08

0.11

Decomposition

52.07

1.13

46.11

0

1

1

4.91

0.04

2

0.13

0.16

Predation

0.10

0.01

8.64

0

1

1

0.67

0.42

2

-0.01

0.03

Seed dispersal

359.40

93.99

3.82

0

1

1

1.75

0.21

2

0.05

0.12

  1. A Gaussian family was used for all models. Exp. Dev. = explained deviance.