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An adapted staining-destaining method to sort soft-bottom macrobenthos mixed with Posidonia oceanica fibers

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A. DONNAY, C. PELAPRAT, P. LEJEUNE, S. GOBERT
A. DONNAY, C. PELAPRAT, P. LEJEUNE, S. GOBERT

Abstract


Sorting of soft-bottom macrobenthos entangled with Posidonia oceanica fibers is time-consuming and tedious because of the weak color contrast. This paper describes a staining-destaining technique that produces good contrast between soft-bottom macrobenthos and Posidonia oceanica fibers. The method has been tested on Corsican samples in oligotrophic areas characterized by small-size soft-bottom macrofauna. Our technique saves sorting time (-24%) and is simple to implement.


Keywords


Staining, destaining, macrobenthos, sorting, Posidonia oceanica fibers, soft-bottom.

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