Naslov
Impact of fish farming on foraminiferal community, Drvenik Veliki Island, Adriatic Sea, Croatia

Autori
Vidović, Jelena ; Ćosović, Vlasta ; Juračić, Mladen ; Petricioli, Donat

Izvornik
Marine pollution bulletin (0025-326X) 58 (2009), 9; 1297-1309

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Foraminifera; marine fish farm; phosphorus; nitrogen; sediment; Adriatic Sea

Sažetak
This study examined the impact of fish farming on foraminiferal communities in the Adriatic coastal zone. Samples were taken directly beneath the farm, near the edge of the farm, and at a reference station away from the farm. The foraminiferal community near the farm is characterized by Epistominella exigua, Globocassidulina subglobosa, Haynesina germanica and the genera Elphidium, Bulimina and Brizalina. These foraminiferal species are less abundant seaward. Asterigerinata mamilla, Neoconorbina terquemi and genus Cibicides are almost absent below the cages. Total phosphorus (TP) and total nitrogen (TN) in the sediments decrease with distance from the cages. The abundances of E. exigua, G. subglobosa, H. germanica and the genera Elphidium, Bulimina and Brizalina are correlated with TP and TN, indicating their dependence on nutrient input. The absence of A. mamilla, N. terquemi and the genus Cibicides below the cages is a due to a degraded Posidonia community. According to our study, foraminiferal community composition can be used as indicator of organic enrichment caused by fish farm activities.

Izvorni jezik
Engleski

Znanstvena područja
Geologija

POVEZANOST RADA