{"Source":"Zostera","Mean15N":3.54,"Sd15N":0.74,"Mean13C":1.63,"Sd13C":0.63}
{"Source":"Grass","Mean15N":3.54,"Sd15N":0.74,"Mean13C":1.63,"Sd13C":0.63}
{"Source":"U.lactuca","Mean15N":3.54,"Sd15N":0.74,"Mean13C":1.63,"Sd13C":0.63}
{"Source":"Enteromorpha","Mean15N":3.54,"Sd15N":0.74,"Mean13C":1.63,"Sd13C":0.63}