Habitat evolution of a peat swamp forest and belowground carbon sequestration during the Holocene along the coastal lowland in Central Sumatra, Indonesia

Fujimoto, Kiyoshi; Miura, Masafumi; Kobayashi, Shigeo; Simbolon, Herwint

doi:10.1186/s40645-019-0288-8

Progress in Earth and Planetary Science

Table 3 Bulk density, carbon, and nitrogen concentrations and their masses per square meter at the boring sites in the margin of peat dome

From: Habitat evolution of a peat swamp forest and belowground carbon sequestration during the Holocene along the coastal lowland in Central Sumatra, Indonesia

Loc. no.	Depth (cm)	Sedimentary facis	Sampled depth of cores for analyzing (cm)	Bulk density (kg m⁻³)	Organic C (%)	Organic N (%)	C/N	Thickness for calculation (cm)	Stored C (kg C m⁻²)	Stored N (kg N m⁻²)
SKB-1	0–32	BOC	0–32	168.0	28.2	1.6	18.2	32	15.1	0.8
	32–150	PC	32–50	215.8	39.6	1.1	35.4	18	15.4	0.4
			50–100	121.4	18.2	0.4	44.3	100	22.1	0.5
	150–250	LP	150–200	65.7	25.7	0.5	47.5	50	8.4	0.2
			200–250	188.0	18.8	0.4	50.8	50	17.6	0.3
	250–345	P	250–300	86.2	25.1	0.5	50.2	50	10.8	0.2
			300–345	85.4	35.0	0.6	54.7	45	13.5	0.2
	345–424	OC	345–350	236.3	24.7	0.5	48.4	5	2.9	0.1
			350–400	124.9	16.8	0.4	47.9	50	10.5	0.2
			400–424	376.6	15.3	0.3	49.2	24	13.8	0.3
	424–450	GBC	424–450	204.3	11.6	0.3	41.4	26	6.2	0.1
	450–500	BGC	450–500	360.8	12.1	0.3	41.6	50	21.7	0.5
								0–500	158.0	4.0
SKB-5	0–20	DP	0–20	–	–	–	–	–
	20–50	P	20–50	–	–	–	–	–
	50–75	DBP	50–75	160.8	34.1	0.6	58.8	25	13.7	0.2
	75–140	P	75–100	123.6	36.7	0.8	44.2	25	11.3	0.3
			100–140	160.0	35.2	0.6	55.8	40	22.5	0.4
	140–208	LP	140–150	123.4	37.3	0.6	59.2	10	4.6	0.1
			150–200	88.8	42.4	0.7	57.3	58	21.8	0.4
	208–429	P	208–250	93.7	35.8	0.7	49.7	42	14.1	0.3
			250–300	135.4	36.7	0.7	51.0	50	24.9	0.5
			300–350	131.6	23.4	0.4	58.4	50	15.4	0.3
			350–367	145.3	32.8	0.6	56.6	50	23.8	0.4
			400–429	137.9	32.5	0.6	59.1	29	13.0	0.2
	429–450	DBOC	429–450	162.6	38.3	0.8	46.1	21	13.1	0.3
	450–500	GGC	450–500	607.1	1.9	0.1	14.8	50	5.8	0.4
								50–500	184.1	3.7
SKB-6	0–17	PC	0–17	207.5	36.9	1.0	37.2	17	13.0	0.3
	17–100	P	17–50	129.2	33.9	0.8	42.8	33	14.4	0.3
			50–100	74.7	32.5	0.6	55.1	50	12.1	0.2
	100–180	FP	110–150	137.2	40.0	0.7	58.8	50	27.4	0.5
			150–180	109.2	42.7	0.8	52.7	30	14.0	0.3
	180–250	P	180–200	83.3	34.7	0.7	53.4	20	5.8	0.1
			200–250	98.7	20.9	0.4	49.7	50	10.3	0.2
	250–337	MP	250–300	88.7	43.9	0.8	57.8	50	19.5	0.3
			300–330	84.1	36.3	0.8	44.3	37	11.3	0.3
	337–375	GCwP	337–350	185.1	26.2	0.5	51.3	13	6.3	0.1
			350–375	243.8	28.4	0.5	52.6	25	17.3	0.3
	375–433	GC	375–400	347.4	12.6	0.3	48.4	25	10.9	0.2
			400–433	370.8	11.1	0.2	46.1	33	13.5	0.3
	433–500	GGC	433–450	647.3	–	–	–	–
			450–500	449.4	–	–	–	–
								0–433	175.9	3.5

P peat, FP fibric peat, LP loose peat, MP mangrove peat, DP dried peat, DBP dark brown peat, PC peaty clay, BOC brown organic clay, DBOC dark brown organic clay, OC organic clay, GBC grayish brown clay, BGC brownish gray clay, GC gray clay, GGC greenish gray clay, wP with peat

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