Valve gape and exhalant pumping in bivalves: optimization of measurement

  title={Valve gape and exhalant pumping in bivalves: optimization of measurement},
  author={Anthony A Robson and Gethin R. Thomas and Carlos Garc{\'i}a de Le{\'a}niz and Rory P. Wilson},
We examined the effect of sampling frequency of gape angle and exhalant pumping measurements on our ability to determine the behaviour of bivalves. We used the endangered freshwater bivalve Margaritifera margaritifera, the non-endangered mussels Mytilus edulis and Mytilus trossulus, the scallop Pecten maximus and the cockle Cerastoderma edule. Increasing sampling interval led to an underestimation of the rate of bivalve gape adduction and abduction events detected, an overestimation of the mean… CONTINUE READING
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