Seasonal shape variations, ontogenetic shape changes, and sexual dimorphism in a population of land isopod Porcellionides pruinosus: a geometric morphometric study

The Journal of Basic and Applied Zoology

Table 1 Analysis of measurement errors for shape of P. pruinosus

Shape (Procrustes ANOVA)	% Explained variance	SS	MS	df	F	P
Individuals	99.11	0.526702	0.54952	1798	32.12	< 0.0001
Image error	0.886	0.024418	0.000271	1860	2.85	< 0.0001
Digit. error	0.0031	0.017228	0.000119	3720