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Table 1 Results from 2 × 2 ANOVA on growth rates of periwinkles Littorina littorea originating from either a sedimentary (Sylt) or a rocky shore (Helgoland) and growing either in the original or, after transplantation, in the other site (n = 8)

From: Habitat-specific size structure variations in periwinkle populations (Littorina littorea) caused by biotic factors

Source df MS F P
Periwinkle origin 1 9.39 14.11 0.0009
Location of growth 1 3.90 5.86 0.0228
Periwinkle origin × location of growth 1 0.54 0.81 0.3744