Morphological survey as powerful detection tool of pure and local phenotypes in Salmo trutta complex | Knowledge and Management of Aquatic Ecosystems

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Table 3

Discriminant analysis between genetic groups (Mediterranean, Introgressed/Hybrid, Atlantic): summary statistics of the Stepwise Analysis.

Variable	F	λ	p
Number of opercular spots	58.21	0.687	0.001
Number of parr marks	44.61	0.548	0.001
Number of red spots on the lateral line	35.76	0.493	0.001
Proportion of brown spots	31.38	0.446	0.001
Intensity of red spots	27.08	0.422	0.001
Intensity of black spots	24.55	0.396	0.001
Distance between landmarks 1–2	22.14	0.380	0.006
Distance between landmarks 3–4	23.59	0.322	0.001
Height of anal fin	22.33	0.304	0.001
Distance between landmarks 7–8	20.92	0.292	0.007
Number of ocular spots	29.59	0.283	0.022

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