Figure 5

Relationship between δ15Nsource, δ15NTFAA and δ15Nbulk N. Total 15N-enrichment for individual FAA and total 15N-depletion vs. δ15Nbulk (−4.0‰) are also showed.

Relationship between δ15Nsource, δ15NTFAA and δ15Nbulk N. Total 15N-enrichment for individual FAA and total 15N-depletion vs. δ15Nbulk (−4.0‰) are also showed.