Copepod escape and relocation jumps in turbulence

Abstract eng:
We study the swimming behaviour of copepods using three-dimensional particle tracking velocimetry by tracking simultaneously the motion of many organisms and the flow surrounding them. In this work we analyse the jump reaction of the organisms in response to hydrodynamic stress, focusing on the strong escape jumps and the weaker relocation jumps. We find that the two types of jumps are influenced differently by increasing levels of turbulence and hydrodynamic stress. This may be important for their survival and mating performance in dynamic environments

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