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Table 2 Contrasting three models of O.hupensis snail survival rate as a function of density: density-independent (DI), linear decline (DDL) and log-linear decline (DDLL)

From: Compensatory density feedback of Oncomelania hupensis populations in two different environmental settings in China

Setting

Generation

Model

AIC c

ΔAIC c

w AIC c

%DE

Jiangsu

G1

DI

30.148

12.297

0.0022

0.0

  

DDL

17.851

0.000

0.9792

67.2

  

DDLL

25.763

7.912

0.0187

42.3

 

G2

DI

41.111

1.165

0.2866

0.0

  

DDL

41.828

1.883

0.2002

16.9

  

DDLL

39.946

0.000

0.5132

27.4

Sichuan

G1

DI

45.009

4.368

0.0682

0.0

  

DDL

40.641

0.000

0.6053

42.2

  

DDLL

41.876

1.235

0.3265

36.9

 

G2

DI

47.623

5.387

0.0602

0.0

  

DDL

48.007

5.771

0.0497

18.9

  

DDLL

42.236

0.000

0.8901

46.3

  1. DDL, linear density effect; DDLL, log-linear density effect; DI, density-independent; %DE, % deviance explained (goodness of fit). Highest-ranked models are shown in boldface.
  2. Mode1 strength of evidence based on Akaike's information criterion corrected for small samples (AIC c ).