engleski

Influence of some environmental factors on O-group anchovy, Engraulis encrasicolus (L.) in the estuarine habitat

The juvenile anchovy,Engraulis encrasicolus (N=2564)was studied using monthly length and weight frequency data (August 1989 - March 1991)from the central part of the Adriatic Sea (Novigrad Sea and Karin Sea). Phisical-chemical characteristic as well as phytoplankton cell volume and tintinnines quantity were studied in connection with juvenile anchovy and its influence on catch value. Space and time distribution of juvenile anchovy was inferred from catches of its O-groug anchovy from 60 purse seine stations. Catch data obtained during the period from 1979 to 1993 wetre used as well. Modes varied from 6.0 cm (August 1989) to 9.5 cm (March 1990)i.e. from 8.0 (July 1990)to 10.0 cm(March 1991). The means of total lengths varied from 6.7 cm (August 1898)to 10.3 cm (March 1990) i.e. from 8.0 cm (July 1990) to 10.0 cm (March 1990). The von Bertalanffy growth parameters were estimated as L =13.2 cm total length, K=0.82 per year and t =-0.5.

anchovy;juvenile;estuary

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