Table 3. Fatty acid trophic markers in the benthic and pelagic environment.

Fatty acid biomarker	Food source	References
C15:0, C17:0	Bacteria	[101,102,103]
C16:0, C18:0, C20:0, C18:1n-9	Detritus	[96,102]
C18:1n-9, C18:2n-6, C20:4n-6, C20:5n-3	Brown algae	[96]
C18:2n-6	Green algae	[101,104]
C18:2n-6, C20:4n-6, C22:6n-3	Heterotrophic flagellates	[96]
C22:6n-3, C18:1n-9	Meiofauna	[96]
C22:1n-9	Zooplankton	[101]
C22:6n-3, C20:5n-3	Diatoms and dinoflagellates	[96,101,102,103,104]