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Bioturbation behaviour in two Mediterranean polychaetes

Published online by Cambridge University Press:  14 June 2001

Adriana Giangrande ,
Margherita Licciano  and
Giovanni Fanelli
Adriana Giangrande
Affiliation:
Dipartimento di Biologia, Stazione di Biologia Marina, Università degli Studi di Lecce, 73100 Lecce, Italy
Margherita Licciano
Affiliation:
Dipartimento di Biologia, Stazione di Biologia Marina, Università degli Studi di Lecce, 73100 Lecce, Italy
Giovanni Fanelli
Affiliation:
ISTTA-CNR- Via Roma, 3, 74100 Taranto, Italy
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Abstract

To evaluate the potential for sediment reworking of two deposit-feeder polychaetes, daily sediment expelled per single worm has been estimated in laboratory experiments on 20 specimens of Nainerislaevigata and 20 of Notomastus latericeus. Both species showed very low values of daily sediment expelled especially when compared to literature data concerning other polychaetes. In both species reworking response was correlated to the dry weight of the worms and appeared higher in Nainerislaevigata, displaying the largest biomass. This species also revealed a greater mobility in situ than Notomastus latericeus which could be considered more as a tube dweller than a burrower.

Type
Brief Report
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 81 , Issue 2 , April 2001 , pp. 341 - 342
Copyright
2001 Marine Biological Association of the United Kingdom

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