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Tab. 3.4.8 – Composizione isotopica (δ13C e δ15N; ‰) delle fonti di materia
organica campionate a Marettimo (zona C). d.s.: deviazione
standard.
Sito Tempo 13C d.s. 15N d.s.
Macroalghe 11 -21.9 0.1 1.0 0.1
21 -22.2 0.0 1.0 0.2
31 -21.2 0.0 1.7 0.0
12 -21.3 0.5 1.0 0.1
22 -20.9 0.1 1.2 0.1
32 -21.5 0.6 1.0 0.2
Materia organica particellata 1 1 -24.1 0.2 2.5 0.3
2 1 -24.4 0.3 2.6 0.6
3 1 -22.7 1.0 2.6 0.5
1 2 -25.1 0.5 2.1 0.4
2 2 -24.9 0.2 4.0 0.8
3 2 -24.7 0.2 2.8 1.7
Materia organica sedimentaria 1 1 -17.9 0.5 1.2 0.3
2 1 -19.2 0.2 1.3 0.6
3 1 -19.4 0.3 2.3 0.2
1 2 -19.4 0.4 0.5 0.5
2 2 -19.2 0.3 1.0 0.1
3 2 -18.9 0.2 1.8 0.2
Posidonia oceanica detrito 1 1 -13.3 0.8 1.6 0.2
2 1 -13.7 0.5 3.8 2.7
3 1 -13.4 0.0 1.3 0.6
1 2 -13.8 0.1 0.7 0.1
2 2 -13.9 0.1 1.2 0.0
3 2 -13.9 0.0 1.3 0.0
Posidonia oceanica epifiti 1 1 -19.1 0.6 1.9 0.1
2 1 -16.5 1.0 1.0 0.0
3 1 -18.0 1.0 1.6 0.0
1 2 -20.0 0.1 1.9 0.3
2 2 -20.3 0.5 1.9 0.0
3 2 -20.0 0.6 1.5 0.0
Posidonia oceanica apici 1 1 -14.5 1.0 1.1 0.4
21 -14.1 0.8 1.0 0.1
31 -14.7 0.1 1.4 0.4
12 -16.4 0.6 1.2 0.1
22 -15.9 0.6 1.1 0.3
32 -16.1 0.5 1.1 0.1
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