Total dissolved inorganic nitrogen (μg; N) for each of the acclimation populations for all four sampling events. (A) Low N acclimated populations with an initial phosphorus (P) of 133.5 μg, (B) Low N acclimated populations with an initial P of 267.8 μg, (C) Low N acclimated populations with an initial P of 535.5 μg, (D) High N acclimated populations with an initial P of 133.5 μg, (E) High N acclimated populations with an initial P of 267.8 μg, (F) High N acclimated populations with an initial P of 535.5 μg.