Fig. 3From: Lipid accumulation mechanism of Amphora coffeaeformis under nitrogen deprivation and its application as a feed additive in Carassius auratus aquacultureEffect of N deprivation on the physiological status of A. coffeaeformis. a The maximum PSII photochemical efficiency (Fv/Fm). b Electron transfer rate (Etr). Each value represents mean ± SD (n = 3)Back to article page