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Seagrass samples were collected randomly from each site by hand using 6\" diameter PVC cores pounded into the sediment. Intact plants, including roots and rhizomes, were separated from the sediment and organic debris. The green shoots were separated from roots & rhizomes, rinsed in fresh water and dried separately at -60\u00b0 C. Dried samples were ground in a mortar and pestle using liquid nitrogen and re-dried. The dry powder was analyzed for percent Carbon, percent Nitrogen, delta-13C, and delta-15N by the Stable Isotope Facility, U.C. Davis.<\/p>\n
Samples were collected by hand, using hand tools.\u00a0 Chemical and isotope analyses were performed by the Stable Isotope Facility, UC Davis using a PDZ Europa ANCA-GSL elemental analyzer interfaced to a PDZ Europa 20-20 isotope ratio mass spectrometer (Sercon Ltd., Cheshire, UK).<\/p>\n
Data were segregated by location, tissue type,\u00a0and species.\u00a0 Means and errors were calculated from 10 to 90 replicate samples (separate plants).<\/p><\/div>","@type":"rdf:HTML"}],"http:\/\/ocean-data.org\/schema\/hasBriefDescription":[{"@value":"summary C, N and isotopes","@language":"en-US"}],"http:\/\/purl.org\/dc\/terms\/description":[{"@value":"
This dataset includes a\u00a0summary of results of carbon and nitrogen analyses on seagrasses collected in the\u00a0Virginia Coastal Lagoons and from St. George Sound FL. Mean carbon and nitrogen\u00a0concentrations and their isotope ratios are reported for leaf and root\/rhizome samples. Also reported are the standard deviation, standard error, number of samples in the means, and the 95% confidence limits.<\/p><\/div>","@type":"rdf:HTML"}],"http:\/\/www.w3.org\/2000\/01\/rdf-schema#label":[{"@value":"Seagrasses carbon nitrogen and isotopes - summary","@type":"xsd:string"}],"http:\/\/ocean-data.org\/schema\/hasProcessingDescription":[{"@value":"
BCO-DMO Processing Notes:
\n- added conventional header with dataset name, PI name, version date
\n- modified parameter names to conform with BCO-DMO naming conventions
\n-\u00a0reformatted to a\u00a0flat table (moved lat and lon to separate columns from Location); repeated the Tissue type values to blank cells.
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