NAKAI N. Paleoenvironmental features of Lake Biwa deduced from carbon isotope compositions and organic C/N ratios of the upper 800 m samples of 1400 m cored column[J]. Proceedings of Japan Academy 62, Ser. B, 1986: 279-282.
[7]
HASSAN K M, SWINEHART J B,SPALDING R F. Evidence for Holocene environmental change from C/N ratio, and δ13C and δ15N values in Swan Lake sediments, western Sand Hills[J]. Nebraska, J Paleolimnol, 1997, 18: 121-130.
[8]
KANSANEN P H, JAAKKOLA T. Assessment of pollution history from recent sediments in Lake Vanajavesi, southern Finland[J]. Annales Zoologici Fennici, 1985, 22: 13-55.
DAVID C P C, MARIA Y Y Sta, SIRINGAN F P, et al. Coastal pollution due to increasing nutrient flux in aquaculture sites[J]. Environ Geol, 2009, 58: 447-454.
[14]
BOON JAAP J, WINDIG W, WETZEl R G, et al.The analytical pyrolysis of particulate residues of decomposing Myriophyllum heterophyllum[J]. Aquatic Botany, 1983, 15(3): 307-320.
[15]
MEYERS P A. Preservation of elemental and isotopic source identification of sedimentary organic matter[J]. Chem Geol,1994,114:289-302.
[16]
GUILIZZONi P A, MARCHETTO A, LAMI G, et al. The environmental history of a mountain lake (Lago Paione Superiore, Central Alps, Italy) for the last c. 100 years: a multidisciplinary[J]. Paleolimnological Study. J. Paleolim,1996,15: 245-264.