Ammonium uptake by Chondrus crispus Stackhouse (Gigartinales, Rhodophyta) in culture

@article{Amat2004AmmoniumUB,
  title={Ammonium uptake by Chondrus crispus Stackhouse (Gigartinales, Rhodophyta) in culture},
  author={Mireille A. Amat and J. -P. Braud},
  journal={Hydrobiologia},
  year={2004},
  volume={204},
  pages={467-471}
}
Cultivated Chondrus crispus was used in N-NH4 uptake experiments in the laboratory. An elevation of temperature increased the apparent rate of uptake, especially up to 11 °C. Uptake in the dark was found to be 83 % of that in the light. The apparent uptake decreased with increasing internal N pool; rates were 26.5, 22.2 and 20.2 µg N g dry wt−1 min−1 for internal N pools of 2.7, 3.5 and 4.6%, respectively. Apparent uptake increased with the substrate N concentration. The resulting curve has two… CONTINUE READING
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