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To examine the potential of lipids as dietary markers in Euphausia superba Dana, juvenile … krill were fed 4 phytoplankton diets (diatoms, cryptomonads, dinoflagellates and thraustochytrids … over a range of food concentrations) and 2 species of zooplankton (rotifers and Artemia sp.) for 20 d.
Two phytoplankton diets with markedly different fatty acid (FA) profiles (thraustochytrid … and diatom over a range of concentrations) were fed to juvenile Euphausia superba Dana to … evaluate the time lapse required for the development of trophic lipid signatures in the digestive gland … (DG).
U-Pb SHRIMP zircon analyses have been used to place time constraints on the Proterozoic reworking of Archaean rocks during the Rayner Structural Episode in the Oygarden Group of islands, Kemp Land, East Antarctica.
At Rumdoodle Peak, near Mawson Base, east Antarctica, an enclave of metasedimentary granulite is enclosed in the Mawson Charnockite, an extensive c. 960 Ma intrusion. The enclave contains a disrupted layer of black spinel-orthopyroxene-phlogopite gneiss, which was truncated by a quartz-rich vein.
[1] We analyzed d29Si of dissolved silicate for eight water column profiles across the … Southern Ocean (south of Australia in spring 2001) from the Seasonal Ice Zone (SIZ) north to the Subantarctic Zone (SAZ), including the first isotopic compositions measured … for Si-depleted seawaters.
We present water column profiles of excess particulate Ba (Baxs, an estimate of biogenic Ba from total particulate Ba … after small corrections for lithogenic Ba) along a transect in the Australian sector of the Southern Ocean from the … Subantarctic Zone (SAZ) to the Sea Ice Zone during spring…