Sedimentary Organic Matter and Phosphate along the Kapuas River (West Kalimantan, Indonesia)

Table 1

Loss-on-ignition, phosphate, and bulk elemental results.

(a) June-July 2007 sampling

Loc.	Loss on ignition				Phosphorus			Bulk elemental
	Labile (%)	Refrac. (%)	TOM (%)	Rp	IP (mg/g)	OP (mg/g)	TP (mg/g)	OC (%)	TN (%)	C/N
KB1 (A)	6.83 ± 0.00	5.22 ± 0.02	12.05	0.43	0.63 ± 0.01	0.63 ± 0.01	1.26	3.04	0.19	18.67
KB2 (B)	7.70 ± 0.01	4.94 ± 0.03	12.64	0.39	0.62 ± 0.00	0.62 ± 0.00	1.24	3.22	0.20	18.78
KB3 (E)	6.10 ± 0.04	4.42 ± 0.04	10.52	0.42	0.62 ± 0.00	0.39 ± 0.11	1.01	2.72	0.16	19.83
1	8.96 ± 0.07	5.81 ± 0.03	14.77	0.39	0.78 ± 0.00	0.62 ± 0.00	1.40	5.04	0.24	24.50
2	8.60 ± 0.02	6.52 ± 0.01	15.12	0.43	1.55 ± 0.02	0.82 ± 0.05	2.37	5.11	0.30	19.87
3	12.19 ± 0.07	8.70 ± 0.08	20.89	0.42	1.12	0.78	1.90	8.88	0.44	23.55
4	8.52 ± 0.26	5.32 ± 0.16	13.84	0.38	0.63 ± 0.01	0.63 ± 0.01	1.26	4.69	0.22	24.87
5	6.93 ± 0.02	5.21 ± 0.03	12.14	0.43	0.62 ± 0.00	0.55 ± 0.11	1.17	3.32	0.20	18.67
6	4.62 ± 0.01	3.77 ± 0.02	8.39	0.45	0.47 ± 0.00	0.47 ± 0.00	0.94	2.11	0.12	20.51
7	5.63 ± 0.09	5.07 ± 0.07	10.70	0.47	0.63 ± 0.00	0.55 ± 0.11	1.18	2.47	0.16	15.17
8	5.92 ± 0.05	5.52 ± 0.03	11.44	0.48	0.47 ± 0.00	0.62 ± 0.01	1.09	2.51	0.19	15.41
9	6.69 ± 0.04	4.97 ± 0.02	11.66	0.43	0.62 ± 0.01	0.62 ± 0.01	1.24	3.11	0.20	18.14
10	3.06 ± 0.04	2.71 ± 0.01	5.77	0.47	0.39 ± 0.12	0.31 ± 0.00	0.70	1.36	0.08	19.83
11	5.22 ± 0.00	3.67 ± 0.06	8.89	0.41	0.32 ± 0.00	0.47 ± 0.00	0.79	2.28	0.13	20.46
12	4.13 ± 0.02	3.45 ± 0.01	7.58	0.46	0.46 ± 0.01	0.31 ± 0.00	0.77	1.92	0.11	20.36
13	5.49 ± 0.02	3.74 ± 0.03	9.23	0.41	0.63 ± 0.00	0.47 ± 0.00	1.10	2.63	0.15	20.46
14	5.61 ± 0.06	3.89 ± 0.09	9.50	0.41	0.63 ± 0.00	0.47 ± 0.00	1.10	2.77	0.15	21.54
15	6.56 ± 0.03	4.45 ± 0.04	11.01	0.40	0.62 ± 0.01	0.55 ± 0.12	1.17	3.22	0.21	17.89
16	2.24 ± 0.03	2.32 ± 0.02	4.56	0.51	0.47 ± 0.01	0.31 ± 0.00	0.78	0.86	0.05	20.07
17	3.30 ± 0.62	4.66 ± 0.61	7.96	0.59	0.31 ± 0.00	0.46 ± 0.00	0.77	1.94	0.17	13.31
18	2.91 ± 0.09	4.29 ± 0.01	7.20	0.60	0.16 ± 0.00	0.16 ± 0.00	0.32	0.59	0.08	8.60
19	2.65 ± 0.02	4.21 ± 0.02	6.86	0.61	0.32 ± 0.00	0.32 ± 0.00	0.64	0.62	0.09	8.04
20	1.61 ± 0.02	2.85 ± 0.03	4.46	0.64	0.16 ± 0.00	0.31 ± 0.00	0.40	0.55	0.06	10.69
21	2.59 ± 0.01	3.80 ± 0.01	6.39	0.59	0.31 ± 0.00	0.47 ± 0.00	0.51	1.04	0.12	10.11
LK1	20.76 ± 0.16	6.81 ± 0.22	27.57	0.25	0.93 ± 0.00	0.62 ± 0.00	1.55	14.20	0.55	30.12
LK2	16.35 ± 0.01	7.00 ± 0.02	23.35	0.30	0.31 ± 0.01	0.47 ± 0.01	1.41	8.96	0.30	34.84
LK3	8.05 ± 0.02	4.56 ± 0.04	12.61	0.36	0.47 ± 0.00	0.47 ± 0.00	0.94	3.84	0.17	26.35
MH1	6.57 ± 0.01	5.58 ± 0.03	12.15	0.46	0.63 ± 0.01	0.31 ± 0.01	0.94	2.90	0.13	26.03
MH2	3.92 ± 0.54	3.54 ± 0.52	7.46	0.47	—	—	—	1.80	0.07	30.00
MH3	3.76 ± 0.17	3.99 ± 0.23	7.75	0.51	—	—	—	1.47	0.06	28.58

(b) December 2007-January 2008 sampling

Loc.	Loss on ignition				Phosphorus			Bulk elemental
	Labile (%)	Refrac. (%)	TOM (%)	Rp	IP (mg/g)	OP (mg/g)	TP (mg/g)	OC (%)	TN (%)	C/N
KB1 (A)	—	—	—	—	0.52 ± 0.00	0.61 ± 0.03		—	—	—
KB2 (B)	—	—	—	—	0.64 ± 0.01	0.11 ± 0.00		—	—	—
KB3 (E)	—	—	—	—	0.94 ± 0.01	0.58 ± 0.06		—	—	—
1	8.66 ± 0.04	5.37 ± 0.05	14.02	0.38	0.75 ± 0.00	0.50 ± 0.02	1.24	4.84	0.30	18.8
2	6.08 ± 0.08	4.38 ± 0.01	10.45	0.42	0.72 ± 0.01	0.50 ± 0.00	1.22	3.90	0.23	19.8
3	6.59 ± 0.04	4.36 ± 0.03	10.95	0.40	0.73 ± 0.00	0.49 ± 0.00	1.22	3.49	0.23	17.7
4	12.95 ± 0.07	6.76 ± 0.38	19.71	0.34	0.23 ± 0.03	0.35 ± 0.00	0.58	9.24	0.35	30.8
5	8.88 ± 0.04	4.85 ± 0.01	13.73	0.35	0.61 ± 0.00	0.44 ± 0.01	1.05	4.22	0.27	18.2
6	8.83 ± 0.03	5.26 ± 0.01	14.09	0.37	0.74 ± 0.00	0.49 ± 0.00	1.23	5.01	0.30	19.5
7	3.65 ± 0.03	4.72 ± 0.00	8.37	0.56	0.30 ± 0.00	0.42 ± 0.03	0.72	1.43	0.17	9.8
8	5.49 ± 0.07	4.42 ± 0.01	9.91	0.45	0.40 ± 0.01	0.40 ± 0.01	0.80	2.47	0.20	14.4
9	2.74 ± 0.00	3.66 ± 0.00	6.40	0.57	0.12 ± 0.00	0.36 ± 0.02	0.49	0.87	0.14	7.3
10	2.34 ± 0.02	3.01 ± 0.03	5.35	0.56	0.16 ± 0.01	0.28 ± 0.00	0.44	0.94	0.13	8.4
11	3.43 ± 0.01	3.68 ± 0.03	7.11	0.52	0.26 ± 0.00	0.36 ± 0.00	0.62	1.34	0.13	12.0
12	4.18 ± 0.00	3.94 ± 0.00	8.12	0.49	0.27 ± 0.00	0.34 ± 0.00	0.61	1.71	0.15	13.3
13	5.41 ± 0.24	3.45 ± 0.11	8.86	0.39	0.42 ± 0.01	0.28 ± 0.01	0.69	2.62	0.16	19.1
14	2.41 ± 0.15	3.96 ± 0.08	6.37	0.62	0.14 ± 0.00	0.40 ± 0.01	0.55	0.63	0.11	6.7
15	4.09 ± 0.00	3.46 ± 0.01	7.55	0.46	0.50 ± 0.01	0.31 ± 0.01	0.82	1.96	0.15	15.2
16	4.75 ± 0.19	4.01 ± 0.02	8.76	0.46	0.53 ± 0.01	0.37 ± 0.02	0.90	2.62	0.18	17.0
17	5.19 ± 0.03	5.55 ± 0.18	10.76	0.52	0.15 ± 0.00	0.43 ± 0.01	0.58	3.33	0.30	13.0
18	4.31 ± 0.01	5.31 ± 0.01	9.62	0.55	0.10 ± 0.01	0.23 ± 0.01	0.32	1.98	0.21	11.0
19	3.59 ± 0.05	5.05 ± 0.02	8.64	0.58	0.19 ± 0.01	0.68 ± 0.00	0.87	1.78	0.26	8.0
20	3.54 ± 0.04	5.02 ± 0.02	8.56	0.59	0.15 ± 0.00	0.47 ± 0.01	0.62	1.91	0.23	9.7
21	3.50 ± 0.00	5.31 ± 0.01	8.81	0.60	0.03 ± 0.00	0.30 ± 0.02	0.33	0.82	0.16	6.0
LK1	14.32 ± 0.01	7.07 ± 0.11	21.39	0.33	0.76 ± 0.00	0.52 ± 0.00	1.28	9.79	0.38	30.1
LK2	15.60 ± 0.24	7.69 ± 0.06	23.29	0.33	0.76 ± 0.00	0.58 ± 0.04	1.34	9.55	0.49	22.7
LK3	10.34 ± 0.04	4.24 ± 0.04	14.58	0.29	0.73 ± 0.02	0.41 ± 0.07	1.14	5.51	0.26	24.7
MH1	7.60 ± 0.04	5.82 ± 0.02	13.42	0.43	0.53 ± 0.00	0.44 ± 0.06	0.97	3.62	0.23	18.4
MH2	6.45 ± 0.01	6.27 ± 0.04	12.72	0.49	0.46 ± 0.00	0.42 ± 0.01	0.87	2.71	0.18	17.6
MH3	4.05 ± 0.06	5.29 ± 0.04	9.34	0.57	0.31 ± 0.00	0.34 ± 0.01	0.65	1.72	0.15	13.4