Phosphorus concentration in European lakes and reservoirs

Note: Number of lakes per country: AT(26), BG(4), CH(22), DE(300), DK(28), EE(156), ES(96), FI(70), FR(27), HU(4), IE(18), IT(7), IV(10), MK(3), NL(112), NO(401), PL(290), PT(18), RO(33), SE(2992), SL(4), UK(66).