Seabirds as indicators of food web structure and ecosystem variability: qualitative and quantitative diet analyses using fatty acids

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Methods of estimating marine mammal diets: A review of validation experiments and sources of bias and uncertainty (2012, background): “The method has also been corroborated with results from other diet estimation methods (e.g., seabird stomachs, Iverson et al. 2007; animal-borne video on harbor seals, Iverson et al. 2004; stable isotope analyses, Tucker et al. 2008) conducted simultaneously, through knowledge of prey fields…”
POLAR BEAR DIETS AND ARCTIC MARINE FOOD WEBS: INSIGHTS FROM FATTY ACID ANALYSIS (2008, methodology): “Nevertheless, ingested FA are incorporated into predator fat stores in predictable ways, and calibration coefficients have been developed to account for predator metabolism (Iverson et al. 2004, 2007).”
Tracing aquatic food webs using fatty acids: from qualitative indicators to quantitative determination (2009, methodology): “12.7a , b) and characterized wellestablished differences in the known diets of murres and kittiwakes in the Bering Sea.”
From lavage to lipids: Estimating diets of seabirds (2012, unknown): “Biochemical assays of seabird tissues such as stable isotope (Hobson et al. 1994) and fatty acid (FA) signature analysis (Iverson et al. 2007) have provided insight into trophic levels of diet, how diets shift over time (e.g. diets during winter when seabirds are often inaccessible) and regions…”