An easy and gentle method for collecting planktonic protozoa is described: a 1‐liter polyethylene bag attached to a stainless steel, spring‐hinged sampling device is operated from a standard heavy‐duty fishing rod and reel. The sampler has been used successfully at depths from 1 to 300 m in ocean and in coastal waters. Acantharia and Foraminifera collected by this technique appear in excellent physical condition.
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Graham et al. (1976) studied this question.
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