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Fatty acids as dietary tracers in benthic food webs
(Inter-Research, Nordbuente 23 Oldendorf/Luhe 21385 Germany, 2011)
Fatty acid (FA) analysis is a well-established tool for studying trophic interactions in marine
habitats. However, its application to benthic food webs poses 2 particular challenges. First, unlike
pelagic zooplankton, ...
Fatty acid profiles in the gonads of the sea urchin Strongylocentrotus droebachiensis on natural algal diets
(2008)
We examined fatty acid (FA) compositions of gonads of the green sea urchin Strongylocentrotus
droebachiensis collected from a grazing aggregation (front) at the edge of a kelp bed and from
barrens dominated by coralline ...
Invasion-mediated shifts in the macrobenthic assemblage of a rocky subtidal ecosystem
(2011)
We tracked changes in community composition that occurred with state shifts in the rocky
subtidal ecosystem in Nova Scotia, Canada, from 1992 to 2008. At the beginning of our study, a dense
aggregation of sea urchins was ...
Fatty acids tracers for native and invasive macroalgae in an experimental food web
(2009)
We assessed the potential of fatty acid (FA) markers for tracing primary production from an
invasive green alga (Codium fragile ssp. fragile) and a native kelp (Saccharina longicruris) through
2 trophic levels in an ...