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Table 2.

Total organic carbon (TOC) and total nitrogen (TN) contents, C/N ratios, δ13Ccarb, δ13Corg, and proxies of n-alkanes of the sediment cores from Fuxian Lake. DOI: https://doi.org/10.1525/elementa.2021.00068.t2

SiteTOC (mg g–1)TN (mg g–1)C/Nδ13Corg (‰)ACLCPITARPaq
FX-1 8.75˜31.22a 1.10˜3.44 7.54˜10.71 –28.07˜–24.77 29.17˜29.94 0.92˜1.44 0.58˜2.19 0.27˜0.48 
(13.78)b [1.83]c (1.78) [0.18] (8.76) [0.24] (–26.13) [0.26] (29.57) [0.08] (1.10) [0.04] (1.25) [0.17] (0.39) [0.02] 
FX-2 6.23˜18.22 0.99˜2.15 7.53˜9.89 –27.71˜–24.87 29.08˜29.77 1.02˜1.12 0.23˜1.16 0.41˜0.48 
(7.92) [0.62] (1.12) [0.06] (8.14) [0.14] (–25.60) [0.15] (29.52) [0.08] (1.07) [0.01] (0.85) [0.12] (0.44) [0.01] 
SiteTOC (mg g–1)TN (mg g–1)C/Nδ13Corg (‰)ACLCPITARPaq
FX-1 8.75˜31.22a 1.10˜3.44 7.54˜10.71 –28.07˜–24.77 29.17˜29.94 0.92˜1.44 0.58˜2.19 0.27˜0.48 
(13.78)b [1.83]c (1.78) [0.18] (8.76) [0.24] (–26.13) [0.26] (29.57) [0.08] (1.10) [0.04] (1.25) [0.17] (0.39) [0.02] 
FX-2 6.23˜18.22 0.99˜2.15 7.53˜9.89 –27.71˜–24.87 29.08˜29.77 1.02˜1.12 0.23˜1.16 0.41˜0.48 
(7.92) [0.62] (1.12) [0.06] (8.14) [0.14] (–25.60) [0.15] (29.52) [0.08] (1.07) [0.01] (0.85) [0.12] (0.44) [0.01] 

ACL = average chain length; CPI = carbon preference index; TAR = terrigenous/aquatic ratios; Paq = proportion of aquatic macrophytes.

aMinimum-maximum.

bMean value.

cStandard error.

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