Table 5.

Good-moderate class threshold values for rivers reported by member states compared with the values from the studies linking nutrient concentrations to good ecological status. MS – member states, SRP - soluble reactive phosphorus, TP - total phosphorus, TN – total nitrogen.

River broad type	Phosphorus (μg L−1)		Nitrogen (mg L−1)		Reference
	MS threshold values (range and [median])	Literature data	MS threshold values (range and [median])	Literature data
1	SRP 70–310 [91]	46	NO3 1.0–5.7 [2.0]	1.4	Phillips et al., 2018
1	TP 35–400 [150]	75	TN 0.7–10 [2.8]	–	Phillips et al., 2018
3	SRP 70–400 [82]	28–45	TN 0.5–10 [2.3]	1.1–3.5	Phillips et al., 2018
9	SRP 10–400 [82]	25–51	TN 0.4–10 [1.5]	1.7–2.5	Phillips et al., 2018