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Table 1 Candidate move-persistence models of ringed seals in Hudson Bay, ranked by Akaike information criterion (AIC)

From: Linking movement and dive data to prey distribution models: new insights in foraging behaviour and potential pitfalls of movement analyses

 

Model formula

k

AIC

ΔAIC

div2

 ~ diversity + bathy + (1 | id)

8

-115,846.2

0

fish8

 ~ biomassnsandlance + bathy + (1 | id)

8

-115,844.1

2.1

env2

 ~ bathy + (1 | id)

7

-115,823.6

22.6

fish6

 ~ biomassarccod + bathy + (1 | id)

8

-115,822.5

23.7

env1

 ~ sst + bathy + (1 | id)

8

-115,822.3

23.9

fish5

 ~ biomassall + bathy + (1 | id)

8

-115,822.2

24

fish7

 ~ biomasscapelin + bathy + (1 | id)

8

-115,821.7

24.5

fish3

 ~ biomasscapelin + (1 | id)

7

-115,640.8

205.4

fish4

 ~ biomassnsandlance + (1 | id)

7

-115,640.4

205.8

div1

 ~ diversity + (1 | id)

7

-115,636.4

209.8

null1

 ~ (1 | id)

6

-115,634.8

211.4

env3

 ~ sst + (1 | id)

7

-115,633.9

212.3

fish1

 ~ biomassall + (1 | id)

7

-115,632.8

213.4

fish2

 ~ biomassarccod + (1 | id)

7

-115,632.8

213.4

  1. k Number of parameters estimated, ΔAIC Change in AIC (relative to the best model, div2), diversity Simpson’s Diversity Index of 8 most important prey species, bathy bathymetry, biomassnsandlance northern sand lance biomass, sst sea surface temperature, biomasscapelin capelin biomass, biomassarccod Arctic cod biomass, biomassall biomass of 8 most important prey species