Assessing the importance of alien macro-Crustacea (Malacostraca) within macroinvertebrate assemblages in Belgian coastal harbours

Table 1 Measured ranges for dissolved oxygen (DO), salinity, conductivity (EC), ammonium (NH₄), nitrate (NO₃), nitrite (NO₂), total phosphorous (P total) and pH in the Belgian coastal harbours

Harbour	DO (mg l⁻¹)	Salinity (PSU)	EC (mS cm⁻¹)	NH₄ (mg N l⁻¹)	NO₃ (mg N l⁻¹)	NO₂ (mg N l⁻¹)	P total (mg P l⁻¹)	pH
Blankenberge	7.00–10.30	7–35	6.43–49.60	0.05–0.16	0.60–1.49	0.01–0.05	0.14–1.05	7.85–9.12
Nieuwpoort	2.98–9.91	3–35	1.78–51.80	0.10–1.02	0.12–1.61	0.01–0.70	0.20–4.86	7.82–8.44
Ostend	1.09–5.62	2–35	1.92–43.90	0.05–0.59	0.98–5.64	0.01–0.10	0.20–1.33	7.64–8.72
Zeebrugge	4.50–9.80	28–35	36.30–47.70	0.05–0.21	1.03–1.91	0.01–0.17	0.20–1.40	7.22–7.78

ISSN: 1438-3888