Table 1.

The information of the sample station.

Samples	Location		Depth (m)	Sediment type	Organic N%	Organic C%
	Longitude (°E)	Latitude (°N)
BC1801	157.32	22.62	5437	Surface clay	0.06	0.34
BC1802	157.12	21.95	5412	Surface siliceous mud	0.10	0.42
BC1803	157.53	21.93	5426	Surface clay	0.09	0.40
BC1804	158.16	21.93	5474	Surface clay	0.09	0.39
BC1805	158.58	21.93	5496	Surface clay	0.09	0.37
BC1806	158.2	22.5	5442	Surface clay	0.09	0.47
BC1807	157.85	22.56	5396	Surface clay	0.08	0.45
BC1808	158.25	22.94	5269	Surface clay	0.08	0.38
BC1810	158.97	21.92	5255	Surface clay	0.10	0.71
BC1811	159.49	22.28	4132	Surface calcareous slime	0.07	0.25
BC1812	159.49	22.62	5087	Surface clay	0.08	0.34
BC1813	159.5	23.06	5270	Surface clay	0.08	0.32
BC1814	159.84	23.36	5488	Surface clay	0.09	0.52
BC1815	159.48	23.36	5417	Surface clay	0.08	0.38
BC1816	159.12	23.36	5240.38	Surface clay	0.09	0.40
BC1817	158.9	23.36	5421.31	Surface clay	0.09	0.44
BC1818	159.49	22.37	4508.03	Surface clay	0.08	0.41
BC1819	159.48	22.14	3530.98	Surface calcareous slime	0.09	0.39