Table 2.

Mantel test results of similarity analyses for stations around Helgoland (see Fig. 6) for distances of stations and the combined as well as single abiotic factors measured by a CTD SONDE (compositional dissimilarity of pressure, temperature, salinity, water density).

	COI mDNA		18S rDNA
	p-value	r	p-value	r
Abiotic factors	0.46	−0.14	0.01	0.67
Distances	0.13	0.75	0.79	−0.33
Pressure	0.46	−0.14	0.01	0.67
Salinity	0.04	0.71	0.94	−0.43
Water density	0.01	0.38	0.09	0.39
Temperature	0.42	−0.16	0.48	−0.03

Given are significances (p-value) and the correlation coefficient (r).