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Table 2 Sum parameter weights (ω i ) for the confidence set of candidate models for growth index (top two models based on model averaging) and δ15N isotopic enrichment models (top three models; ω i =95%), ranked using AICc

From: Fine-scale spatiotemporal influences of salmon on growth and nitrogen signatures of Sitka spruce tree rings

Response variable

Parameter

Sum ωi

Growth index

  
 

salmon

0.998

 

temperature

0.998

 

salmon*temperature

0.998

 

salmon*forest

0.597

δ15N

  
 

forest

0.963

 

upstream

0.963

 

forest*upstream

0.963

 

growth index

0.146

 

salmon

0.045

  1. * Interaction effect.