Table 1 Concentrations (μM) of dissolved nitrate, phosphate and ammonium in P. globosa cultures inside grazing and control beakers at the end of grazer-induced experiments.
Nutrient concentration | P. poplesia | Euplotes | O. marina | ||||
|---|---|---|---|---|---|---|---|
(μM) | grazing | control | grazing | control | grazing | control | |
HN | NO3− | 56.0 ± 3.7 | 54.3 ± 1.8 | 50.3 ± 7.6 | 56.3 ± 7.3 | 61.0 ± 4.3 | 56.8 ± 2.6 |
PO4− | 1.0 ± 0.1 | 1.0 ± 0.1 | 0.6 ± 0.0 | 0.6 ± 0.1 | 1.0 ± 0.3 | 1.0 ± 0.2 | |
NH4+ | 0.55 ± 0.7 | 0.5 ± 0.3 | 0.35 ± 0.38 | 0.19 ± 0.1 | 0.3 ± 0.2 | — | |
NO3− | 1.57 ± 1.9 | 1.17 ± 0.7 | 1.87 ± 0.1 | 1.97 ± 0.2 | 2.5 ± 0.3 | 3.2 ± 0.4 | |
LN | PO4− | — | — | — | — | — | — |
NH4+ | 0.18 ± 0.06 | — | 0.16 ± 0.11 | 0.3 ± 0.2 | 0.13 ± 0.12 | — | |
