Reciprocal transplants support a plasticity-first scenario during colonisation of a large hyposaline basin by a marine macro alga

Table 3 ANOVA (linear mixed effects model, df = 1.34) analysing the number of secondary formed adventitious branches per primary branch, during 6 months in a reciprocal transplant experiments, as an effect of salinity (4 and 24‰), species and origin

Source	F	P
A. Baltic Sea F. radicans vs. F. vesiculosus
Intercept	36.45	<0.001
Salinity	0.876	0.36
Species	15.65	<0.001
Salinity*species	2.648	0.11
B. Baltic Sea F. vesiculosus vs. North Sea F. vesiculosus
Intercept	24.74	<0.001
Salinity	1.989	0.17
Origin	3.42	0.07
Salinity*origin	0.261	0.61

A. Analysing the effect of salinity and species (F. radicans and F. vesiculosus) from the same origin in the Baltic Sea. B. Analysing the effect of salinity and origin (North Sea and Baltic Sea) in populations of F. vesiculosus. See also Fig. 3b

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