Liu, S., T. Li, H. Huang, Z.L. Guo, L.M. Huang & W.X. Wang. (2010). Feeding efficiency of a marine copepod Acartia erythraea on eight different algal diets. Acta Ecologica Sinica. 30(1):22-26.

143236

10.1016/j.chnaes.2009.12.004 [view]

Liu, S., T. Li, H. Huang, Z.L. Guo, L.M. Huang & W.X. Wang

2010

30(1):22-26.

Publication

Available for editors   [request]

Acartia erythraea is a dominant zooplankton copepod in the South China coastal waters during summer. This paper examined its feeding behavior (food gut passage, clearance rate and ingestion rate) on eight phytoplankton diets. The food gut passage time and ingestion rate were negatively related to the size and concentration of food supply, whereas the clearance rate was positively related to the food concentration. The ingestion rate decreased with the food concentration when it reached a threshold level. Generally, the clearance rate of copepods decreased with increasing cell density, but was very low at both low and high algal densities when the food were small in sizes. The optimum food size was about 10 μm for the copepods, and the dinoflagellate, Prorocentrum minimum, was considered as a good food choice for A. erythraea.

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