ns not significant, * in 2012 Alaria esculenta was only present at 5m depth in the small frame size, therefore a one-factorial ANOVA for the factor time was applied
Table 3 Results of two-factorial ANOVAs for the factors time, species and their interaction on the age and density per m of adult kelps (≥ 1 year) at 2.5m and 5m (2013 and 2021: n = 3).