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Journal of Plankton Research Vol.24 no.10 pp.1097-1105, 2002
© Oxford University Press 2002

SHORT COMMUNICATION

A portable, low-cost, multipurpose, surface–subsurface plankton sampler

S. Nayar1,*, B. P. L. Goh2 and L. M. Chou1

1 Reef Ecology Laboratory, Department Of Biological Sciences, 14 Science Drive 4, National University Of Singapore, Singapore117 543 and 2 Natural Sciences Academic Group, National Institute Of Education, 1 Nanyang Walk, Singapore 637 616

* Corresponding Author: scip8370{at}nus.edu.sg

This note describes a portable, low-cost, pump-based, multi-purpose, surface–subsurface, phytoplankton and zooplankton sampler. It is self-powered by a small 12 V DC battery, and is portable and ideal for use from a small boat in a river, estuary, or sea. The sampler is equipped with a very sensitive microprocessor-controlled flow sensor for precise determination of the volume of water processed by the sampler. A study was carried out to evaluate the performance of this sampler in comparison to the conventional towed plankton net. The results of this study suggest that this pump-based sampler is as efficient in collecting plankton as using conventional plankton nets, with little damage to the organisms.


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