Relier Pairs Sampling phytoplanktonVersion en ligne Match the columns to create sentences describing sampling phytoplankton par Anna Wielgopolan 1 The sampling bottles or water samplers with closing mechanisms are commonly used 2 Irrespective of methods 3 While collecting the water samples 4 It is best to sample at particular time each day 5 The plankton are then concentrated 6 Surface water samples are collected by dipping a well-rinsed bucket or bottle over the side of the boat, let it fill half with water and bring it back into the boat for obtaining samples from the desired depths. by allowing them to settle, centrifuging or fine filtration between 8.30 and 10.00 a.m. is the preferred time samples should be preserved soon after collection and where possible, live samples should also be examined there should be minimum disturbance of water to prevent avoidance reaction by plankton