Abundance and distribution of four-spotted megrim (Lepidorhombus boscii ) in the Aegean Sea
Vassilopoulou, V. (2000). Abundance and distribution of four-spotted megrim (Lepidorhombus boscii ) in the Aegean Sea. Belg. J. Zool. 130(S1): 81-85
In: Belgian Journal of Zoology. Koninklijke Belgische Vereniging voor Dierkunde = Société royale zoologique de Belgique: Gent. ISSN 0777-6276; e-ISSN 2295-0451, more
Also appears in:
Chintiroglou, C.C.; Schockaert, E.R. (Ed.) (2000). Proceedings of the 8th International Congress on the Zoogeography and Ecology of Greece and adjacent regions, Kavala, Greece, 17-21 may 1999. Belgian Journal of Zoology, 130(Suppl. 1). Koninklijke Belgische Vereniging voor Dierkunde = Société royale zoologique de Belgique: Diepenbeek. 147 pp., more
A two-year study of the abundance and distribution of the four-spotted megrim in the North Aegean revealed a pronounced preference of the species for fine sediment (sandy-muddy) bottoms,in a bathymetric range from 200 to 400 m. The depth of maximum predicted megrim density was found to be 339.8 m. The mean size of specimens in areas displaying higher levels of abundance was significantly smaller than that calculated for specimens in shallower and/or deeper waters. A density-dependent bathymetric pattern of distribution appeared to exist in the study area, with larger fish spreading out from habitats of increased fish stock abundance, where stronger competitive interactions might exist. Such interactions may be of great importance, considering that the Aegean Sea is one of the most oligotrophic areas of the world.
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