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


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

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