||Effect of Barite on Meiofauna in a Flow-Through Experimental System.
Cantelmo, Frank R. ;
Tagatz, M. E. ;
Rao, K. Ranga ;
||University of West Florida, Pensacola.;Environmental Research Lab., Gulf Breeze, FL.
||EPA-600/J-79-118 ; ERL.GB-J108
Marine biology ;
Water pollution ;
Offshore drilling ;
Drilling fluids ;
Marine microorganisms ;
Water pollution effects(Animals)
||Some EPA libraries have a fiche copy filed under the call number shown.
||The effects of barite (BaSO4), a major constituent of drilling muds used in marine oil drilling operations, on meiofauna were studied in an experimental flow-through system. Aquaria containing sand or varying proportions of barite and sand received a continuous supply of unfiltered seawater from Santa Rosa Sound, Florida, for ten weeks. At the end of this period the composition, biomass and vertical distribution of the meiofauna were determined. Rotifera, Foraminifera, Hydrozoa, Turbellaria, Ostracoda, Polychaeta and Bivalvia did not exhibit significant differences between control and experimental aquaria. A marked decrease in meiofaunal density was evident in aquaria containing 5.5 cm of sand covered with a 0.5 cm layer of barite.
||Pub. in Marine Environmental Research 0141-1136/79/0002-0301, p301-309 1979.
||Reprint: Effect of Barite on Meiofauna in a Flow-Through Experimental System.
|PUB Date Free Form
||8A; 6F; 68D; 47D; 57H; 97R
||PC A02/MF A01