Means	meand15N	sdd15N	meand13C	sdd13C
Zostera	6.49	1.21	-11.17	1.21
Grass	4.43	0.64	-30.88	0.64
U.lactuca	11.19	1.96	-11.17	1.96
Enteromorpha	9.82	1.17	-14.06	1.17
