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Table 3 Model selection for the relationship between seed production estimated with ground quadrats (GQ) and the reference litter trap method (LT) for the sampled tree species. AIC and log likelihood were used to select the best models (in italics)

From: A comparison of ground-based count methods for quantifying seed production in temperate broadleaved tree species

Model

Vars. count model

Vars. zero model

AIC

LogLik

Pr (>Chisq)

ZIP

LT

LT

456.3

− 224.1

 

ZIP

LT + species

LT + species

442.2

− 213.1

22.0

ZIP

LT

Species

445.3

− 215.6

5.0

ZIP

LT* species

Species + month

441.6

− 214.8

1.7

ZINB

LT

LT

387.5

− 188.8

52.0

ZINB

LT + species

LT + Species

386.6

− 187.3

2.9

ZINB

LT

Species + month

384.2

− 184.1

6.3

ZINB

LT* species

Species + month

368.8

− 173.4

21.4

ZAP

LT

LT

456.3

− 224.1

79.3

ZAP

LT + species

LT + species

447.6

− 217.8

12.7

ZAP

LT

Species + month

436.8

− 210.4

14.7

ZAP

LT* species

Species + month

440.7

− 214.4

7.9

ZANB

LT

LT

387.6

− 188.8

13.1

ZANB

LT + species

LT + species

382.5

− 182.2

64.2

ZANB

LT

Species + month

367.6

− 172.8

31.9

ZANB

LT* species

Species + month

364.6

− 171.3

9.0