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Cited by (51)
Sources and fates of particulate organic matter in inland waters with complex land use patterns
2023, Science of the Total EnvironmentCoastal currents regulate the distribution of the particulate organic matter in western Guangdong offshore waters as evidenced by carbon and nitrogen isotopes
2021, Marine Pollution BulletinCitation Excerpt :A significant negative correlation was found between the δ13C values and the C/N ratios in the nearshore areas in spring, which suggests that the δ13C composition of the marine phytoplankton has been modified by decomposition processes. However, previous studies on the decomposition of aquatic plants and algae have shown that the change in δ13C during organic matter decomposition is very small (~1‰), which is almost negligible (Fenton and Ritz, 1988; Gearing et al., 1984; Lehmann et al., 2002; Haines, 1977). Therefore, the isotopic fractionation caused by the transportation and decomposition of POM in the offshore waters can be neglected and the isotopic compositions of the POM can be used for source identification.
Trophic ecology of suspension-feeding bivalves inhabiting a north-eastern Pacific coastal lagoon: Comparison of different biomarkers
2019, Marine Environmental ResearchChanges in the elemental (C, N) and isotopic (δ<sup>13</sup>C, δ<sup>15</sup>N) composition of estuarine plants during diagenesis and implications for ecological studies
2018, Journal of Experimental Marine Biology and EcologyCitation Excerpt :Reductions in TOC did not translate into changes in isotopic values, and there was little variation (< 2‰) in δ13C for all plants types. Our findings agree with those that were previously reported for seagrasses (Greiner et al., 2016; Machás et al., 2006; Zieman et al., 1984), opportunistic macroalgae (Fenton and Ritz, 1988; Greiner et al., 2016) and C4 salt marsh plants (Dai et al., 2005). Low δ13C values are expected to occur because 13C-depleted lignin presents higher resistance to microbial degradation than the 13C-enriched, fast decomposing polysaccharides, such as cellulose and hemicellulose (Benner et al., 1987).
Discovery of asphalt seeps in the deep Southwest Atlantic off Brazil
2017, Deep-Sea Research Part II: Topical Studies in OceanographyCitation Excerpt :In addition, the ultimate source of organic matter in the surface sediment is POM in the bottom water. The isotope signature of organic matter in the surface sediment enriched in 13C and 15N suggests that the sedimentary organic matter is subjected to microbial alteration in the sediment surface since microbial alteration of organic matter involves small isotope fractionation (Fenton and Ritz, 1988). In this study, we measured the 4-cm thick sediment sample from seafloor, suggesting that the altered organic matter is predominated in the analyzed samples.