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The Ecology of Benthos in the Gulf of ThermaTkos, Greece
Environmental Conditions and Benthic Biotic Indices*
Antonis J. Zarkanellas,
Marios E. Kattoulas,
Antonis J. Zarkanellas
Environmental Pollution Control Project; 147, Patission str., Athens 814, Greece.
Search for more papers by this authorMarios E. Kattoulas
Laboratory of Zoology, University of Thessaloniki, Greece.
Search for more papers by this authorAntonis J. Zarkanellas,
Marios E. Kattoulas,
Antonis J. Zarkanellas
Environmental Pollution Control Project; 147, Patission str., Athens 814, Greece.
Search for more papers by this authorMarios E. Kattoulas
Laboratory of Zoology, University of Thessaloniki, Greece.
Search for more papers by this author*A portion of a dissertation (AJZ) submitted in fulfillment of the Ph. D. degree. Department of Zoology, University of Thessaloniki.
Abstract
Abstract. Benthic samples were taken at 26 stations during a two year period (1975–1977) in the Gulf of Thermaïkos, Greece. The topography and relevant physicochemical characteristics of the area are presented and discussed. Both density and biomass increase towards the northern limits in the Bay of Thessaloniki and in the Gulf of Thermaïkos, the difference between them being the degree of change in a north-south direction. Analyses of the degree of concurrence of the dominant species show the existence of a number of groups of concurrent dominant species with characteristic distributional patterns and differing areal coverage in the study area. The observed quantitative and qualitative differences in the benthos are causally related to the differing environmental conditions prevailing in the two subareas.
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