Bowen, A., G. Rollwagen-Bollens, S.M. Bollens & J. Zimmerman. (2015). Feeding of the invasive copepod Pseudodiaptomus forbesi on natural microplankton assemblages within the lower Columbia River. Journal Of Plankton Research, 37(6):1089-1094.

222093

10.1093/plankt/fbv078 [view]

Bowen, A., G. Rollwagen-Bollens, S.M. Bollens & J. Zimmerman

2015

37(6):1089-1094.

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The Asian copepod Pseudodiaptomus forbesi has conspicuously invaded the Columbia River, but its feeding behavior is poorly understood. We conducted feeding experiments with P. forbesi and natural assemblages of microplankton collected from three sites in the Columbia River. Pseudodiaptomus forbesi primarily consumed diatoms, ciliates, flagellates and dinoflagellates, exhibiting a general preference for diatoms and ciliates, and an avoidance of chlorophytes and cyanobacteria. These results suggest potential competition with native copepods and other food web impacts.

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