Table 2.

Average nutrient concentrations (μmol·L⁻¹) of different water layers over 0–200 m during spring 2015. BDL: below detection limits

Depth/Parameter		Ammonium	Phosphate	Nitrate	Nitrite	Silicate
5 m	Range	0.14–2.69	BDL‐0.35	BDL‐14.50	BDL‐1.31	0.29–1.47
	Mean	0.63 ± 0.54	0.11 ± 0.07	0.99 ± 2.31	0.18 ± 0.29	0.86 ± 0.31
50 m	Range	0.01–0.71	0.06–0.85	BDL‐15.38	BDL–1.09	0.07–3.47
	Mean	0.27 ± 0.16	0.23 ± 0.17	1.73 ± 3.02	0.15 ± 0.25	0.98 ± 0.64
100 m	Range	0.06–1.46	0.46–2.66	4.55–33.43	0.03–0.31	0.96–15.37
	Mean	0.55 ± 0.28	1.23 ± 0.46	14.35 ± 6.62	0.16 ± 0.07	4.04 ± 2.66
150 m	Range	0.07–0.98	0.42–2.45	4.08–49.75	BDL‐0.14	2.20–17.68
	Mean	0.45 ± 0.21	1.12 ± 0.61	16.27 ± 10.93	0.06 ± 0.05	7.16 ± 3.76
200 m	Range	0.05–1.24	0.45–2.92	5.80–44.00	BDL‐0.29	3.35–54.69
	Mean	0.43 ± 0.25	1.20 ± 0.74	19.49 ± 10.27	0.03 ± 0.06	11.24 ± 11.63