From: Fine-scale spatiotemporal influences of salmon on growth and nitrogen signatures of Sitka spruce tree rings
Response variable
Parameter
Estimate
Std. error
F
p value
δ15N
intercept
0.32
0.14
3.63
0.070
forest
−0.68
0.15
9.03
0.006
upstream
−1.76
0.59
8.96
0.007
forest*upstream
−0.97
0.77
1.57
0.223