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Annelid fauna of a Mediterranean lagoon (Gialova Lagoon, south-west Greece): community structure in a severely fluctuating environment

Published online by Cambridge University Press:  01 October 1999

C. Arvanitidis ,
D. Koutsoubas ,
C. Dounas  and
A. Eleftheriou
C. Arvanitidis
Affiliation:
Institute of Marine Biology of Crete (IMBC), Department of Technology and Management of the Marine Environment, PO Box 2214, 71003 Heraklion, Crete, Greece
D. Koutsoubas
Affiliation:
Institute of Marine Biology of Crete (IMBC), Department of Technology and Management of the Marine Environment, PO Box 2214, 71003 Heraklion, Crete, Greece
C. Dounas
Affiliation:
Institute of Marine Biology of Crete (IMBC), Department of Technology and Management of the Marine Environment, PO Box 2214, 71003 Heraklion, Crete, Greece
A. Eleftheriou
Affiliation:
Institute of Marine Biology of Crete (IMBC), Department of Technology and Management of the Marine Environment, PO Box 2214, 71003 Heraklion, Crete, Greece
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Abstract

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The annelid community of a shallow Mediterranean lagoon (Gialova Lagoon, Ionian Sea) was studied on a seasonal basis. Out of the 39 species identified eight are reported for the first time from the central Mediterranean. The dominant species were the polychaetes Capitella capitata, Neodexiospira pseudocorrugata, Malacoceros fuliginosus, Perinereis cultrifera, Hediste diversicolor, Heteromastus filiformis and the oligochaete Limnodriloides maslinicensis. Uni- and multivariate methods were employed to study the community structure. The coenocline observed is strongly related to the degree of isolation; its main features (i.e. number of species, density, geometric abundance and size-classes) in space and time are presented and discussed in detail. The distribution pattern of the annelid community has been found to be governed by a different set of environmental factors in each season. Although this narrow lagoonal habitat suffers severe dystrophic episodes it manages to recover, demonstrating a seasonal community pattern.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 79 , Issue 5 , October 1999 , pp. 849 - 856
Copyright
© 1999 Marine Biological Association of the United Kingdom