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Table 2 Summary of the two-way ANCOVA analysis for water loss (WL) in Siphonaria lessonii for each period of exposure (time) and factor (shore height) with limpet shell length as the covariate

From: Genetic and morpho-physiological differentiation in a limpet population across an intertidal gradient

Two way Ancova df F
Slope (shore:size) 2 3.029*
Slope (time:size) 2 11.260***
Slope (time:shore) 4 4.034*
Slope (time:size:shore) 4 0.917 n.s.
Elevation (shore) 2 27.624***
Elevation (time) 2 80.091***
  1. The dependent variable and covariate are expressed as natural logarithms. *p < 0.05; ***p < 0.001; n.s., not significant