Fig. 3From: Strategies adopted by Aphanizomenon flos-aquae in response to phosphorus deficiency and their role on growthPhotochemical efficiency of photosystem II (Fv/Fm) of A. flos-aquae 1249, A. flos-aquae 1171 and A. flos-aquae 1260 in P-depleted (a), +DOPα (b), +DOPβ (c) and +DIP treatments (d). Error bars represent standard deviation of triplicate samplesBack to article page