Abstract We investigated potential effects of the
fish farms on water column and sediment around
Salih Island in the Gulluk Bay (Aegean Sea,
Turkey) where four seasonal samplings were per-
formed from October 2001 to August 2002. One
measured physicochemical variables in water col-
umn including dissolved oxygen,nutrients(nitrite,
nitrate, ammonium, phosphate and silicate), par-
ticulate organic carbon (POC) and chlorophyll a.
Organic matter, total organic carbon (TOC) and