Table 2.

Biogeochemistry of sediments from LB sampled in May and September 2009^a

Depth (cm)	Core LB, May 2009			Core LB, September 2009
	TOC (% dry wt)	TN (% dry wt)	GlcN (μmol g dry wt−1)	TOC (% dry wt)	TN (% dry wt)	GlcN (μmol g dry wt−1)
0–1	0.59	0.05	1.30	0.67	0.04	0.48
1–2	0.39	0.04	0.62	0.48	0.04	0.38
2–3	0.48	0.04	0.97	0.70	0.06	0.97
3–4	0.61	0.06	0.84	0.65	0.06	0.73
4–5	0.67	0.06	0.92	0.70	0.06	1.04
5–6				0.82	0.08	0.75
6–7				1.23	0.13	2.58

^aError of measurement (standard deviation) of one sample: TOC, ±0.1%; TN, ±0.02%; GlcN, ±10%.