engleski

Apperance of hydromedusae in the Northern Adriatic Sea in 1992 and 1993

The present work reports the incidence of hydromedusae collected during the Alpe-Adria Cooperative Research Program criises of 1992. and 1993. Number of individuals shows domination of only 3 Anthomedusae and 2 Leptomedusae. Spatial distribution of hydromedusae was higher along the eastern portion of the study area. The lowest number of species was observed in front of the po River. These data support earlier observations on the decrease in the number of hydromedusae species in the Northern Adriatic.

hydromedusae; Northern Adriatic Sea; spatial and temporal distribution

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