Table 2 Tall red mangrove fresh leaves: Biochemical and isotopic characteristics of separated fractions
From: Isotopic and molecular distributions of biochemicals from fresh and buried Rhizophora mangle leaves†
Leaf samples | ||||||
|---|---|---|---|---|---|---|
Leaf fraction | Parameter | T1 | T2 | T3 | Mean | St dev |
Bulk leaf | δ13C (‰) | -28.72 | -29.52 | -26.54 | -28.26 | 1.54 |
δ15N (‰) | -0.73 | 0.45 | 0.48 | 0.07 | 0.69 | |
TOC (%) | 47.64 | 46.59 | 47.32 | 47.18 | 0.54 | |
TN (%) | 0.92 | 1.04 | 1.28 | 1.08 | 0.19 | |
C/N | 61.46 | 52.94 | 43.13 | 52.51 | 9.17 | |
Lipids | Composition(%) | 6.04 | 5.14 | 6.35 | 5.84 | 0.63 |
δ13C (‰) | -29.09 | -32.11 | -29.80 | -30.33 | 1.58 | |
TOC (%) | 58.24 | 65.60 | 59.16 | 61.00 | 4.01 | |
Acid hydrolysate | Composition(%) | 4.80 | 7.16 | 9.29 | 7.08 | 2.25 |
δ13C (‰) | -26.39 | -26.39 | -25.00 | -25.93 | 0.80 | |
δ15N (‰) | 1.22 | 0.02 | 0.96 | 0.73 | 0.63 | |
TOC (%) | 25.85 | 21.91 | 24.00 | 23.92 | 1.97 | |
TN (%) | 2.42 | 2.02 | 2.74 | 2.39 | 0.36 | |
C/N | 12.46 | 12.65 | 10.22 | 11.78 | 1.35 | |
Water soluble | Composition(%) | 18.81 | 14.94 | 22.22 | 18.66 | 3.64 |
δ13C (‰) | -29.01 | -29.04 | -27.49 | -28.51 | 0.89 | |
TOC (%) | 27.85 | 32.95 | 31.38 | 30.73 | 2.61 | |
Remainder | Composition(%) | 70.35 | 72.76 | 62.14 | 68.41 | 5.57 |
δ13C (‰) | -28.10 | -28.77 | -27.03 | -27.97 | 0.88 | |
TOC (%) | 58.77 | 60.44 | 58.58 | 59.26 | 1.02 | |