1. Abdulla H A N, Minor E C, Dias R F, Hatcher P G. 2010. Changes in the compound classes of dissolved organic matter along an estuarine transect: A study using FTIR and 13C NMR. Geochim. Cosmochim. Acta, 74: 3 815–3 838.
2. Aiken G R. 1985. Isolation and concentration techniques for aquatic humic substances. In: Aiken G R, McKnight D M, Wershaw R L, MacCarthy P eds. Humic Substances in Soil, Sediment, and Water-Geochemistry, Isolation, and Characterization. John Wiley and Sons, New York. p.7–38.
3. Aiken G R, McKnight D M, Thorn K A, Thurman E M. 1992. Isolation of hydrophilic organic acids from water using nonionic macroporous resins. Org. Geochem., 18: 567–573.
4. Bao H, Wu Y, Unger D, Du J, Herbeck L S, Zhang J. 2012. Impact of the conversion of mangroves into aquaculture ponds on the sedimentary organic matter composition in a tidal flat estuary (Hainan Island, China). Cont. Shelf Res., http://dx.doi.org/10.1016/j.csr.2012.06.016 .
5. Benner R, Fogel M L, Sprague E K, Hodson R E. 1987. Depletion of 13C in lignin and its implications for stable carbon isotope studies. Nature, 329: 708–710.