The evaluation of fish farming impact by nutrient content and chlorophyll A in Mala Lamljana bay [Croatia]
2013
Jelić-Mrcelić, Gorana (Faculty of Maritime Studies Split, Split (Croatia)) | Slisković, Merica (Faculty of Maritime Studies Split, Split (Croatia))
This paper offers a brief review of the impacts of fish farming on the nutrient content and chlorophyll a in Mala Lamljana Bay, Croatia. Local loading of nitrogen and phosphorous compounds in fish farms can be very significant and can represent the largest source of N and P in a given area. Low N and P concentrations, low chlorophyll a concentration and a great variety of phytoplankton species were found in the bay, despite the high nutrient loading during the long his- tory of farming in the bay. The phytoplankton community consisted mostly of diatoms and partly of dinoflagellates. Skel- etonema costatum and Chaetoceros compressus were the dominant species (90%) in summer chlorophyll, which is typical for Middle Adriatic oligotrophic coastal waters. Nevertheless, further studies are required to determine changes in water column factors and planktonic communities in this area.
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