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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