Matching Pairs Sampling phytoplanktonOnline version Match the columns to create sentences describing sampling phytoplankton by Anna Wielgopolan 1 Surface water samples are collected by 2 Irrespective of methods 3 While collecting the water samples 4 The plankton are then concentrated 5 It is best to sample at particular time each day 6 The sampling bottles or water samplers with closing mechanisms are commonly used between 8.30 and 10.00 a.m. is the preferred time 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 samples should be preserved soon after collection and where possible, live samples should also be examined for obtaining samples from the desired depths. there should be minimum disturbance of water to prevent avoidance reaction by plankton by allowing them to settle, centrifuging or fine filtration