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We measured accumulation rates of organic carbon (OC) and total nitrogen (TN) and stable carbon (d 13 Corg ) and nitrogen isotopes (d 15 N) in the sediments of two mountain lakes (Lake Ledvica a...
We report measurements of seasonal variability in the C-N stable isotope ratios of plants collected across the habitat mosaic of San Francisco Bay, its marshes, and its tributary river system. Analyse...
Blooms of the marine diatom Skeletonema costatum were initiated in closed-system batch cultures with P-deficient medium under two different initial concentrations of dissolved molecular CO2([CO2,aq]: ...
The stable carbon isotopic composition of nine individual amino acids were investigated in phytoplankton and zooplankton, estuarine plankton, terrigenous material, marine fecal material, and clay mine...

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