Table 2 General additive model for Phragmites spp. to observe correlation among parameters.

From: Measurement of foliar H2O2 concentration can be an indicator of riparian vegetation management

Parameters

edf

Ref.df

F

p value

Approximate significance of smooth terms

s(Elevation)

1

1

0.422

0.5368

s(Soil Moisture)

1

1

11.343

 < 0.05

s(Soil TN)

1

1

0.054

0.8232

s(Soil TP)

1

1

0.309

0.5958

s(Soil TN: TP)

1

1

0.063

0.8090

  1. R-sq.(adj) = 0.897 Deviance explained = 94%.
  2. GCV = 8.8054 Scale est. = 4.7414.