Fatty acid biomarkers reveal niche separation in an Arctic benthic food web

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The Various Roles of Fatty Acids (2018, background): “The use of FA markers is especially interesting to assess the relative contributions of different food sources to the diet of consumers and its application ranges from the assessment of the impact of algal FA on herbivorous zooplankton lipid content [275] to the inspection of niche separation in pin”
Fatty acids as dietary tracers in benthic food webs (2012, unknown): “MUFA: monounsaturated FA; PUFA: polyunsaturated FA; LCFA: long-chain FA Sample Dietary tracer FA Location (depth) Source Deep sea Algal material 20:5n-3 + 22:6n-3 NE Pacific (4100 m) Drazen et al. (2008a) Animal material 18:1n-9 20:1 MUFA Copepods 22:1 MUFA Animal material 18:1n-9/18:1n-7 ratio > 1 ”
The importance of ice algae‐produced carbon in the central Arctic Ocean ecosystem: Food web relationships revealed by lipid and stable isotope analyses (2016, methodology): “Prior to testing, the FA data were transformed applying an arcsine square root function following Budge et al. (2007) to improve normality.”
Tracing aquatic food webs using fatty acids: from qualitative indicators to quantitative determination (2009, background): “Recent work used the different types or proportions of these NMI FA produced by different mollusk species to reveal niche separation between sympatric bearded seals ( Erignathus barbatus ) and walruses ( Odobenus rosmarus rosmarus ), which both specialize on benthic mollusks (Budge et al. 2007) .”