The effects of pH and salt content on sodium balance inDaphina magna andAcantholeberis curvirostris (Crustacea: Cladocera)

Fryer, G.: Defaecation in some macrothricid and chydorid cladocerans, and some problems of water intake and digestion in the Anomopoda. Zool. J. Linn. Soc.49, 255?270 (1970)

Holm-Jensen, I.: Osmotic regulation inDaphnia magna under physiological conditions and in the presence of heavy metals. Kgl. Danske Vid. Salsk. Biol. Medd. Kbh.20, 1?64 (1948)

Johnson, D.S.: A thermal race ofDaphnia atkinsoni Baird, and its distributional significance. J. Anim. Ecol.21, 118?119 (1952)

Leivestad, H., Muniz, I.P.: Fish kill at low pH in a Norwegian river. Nature259, 391?392 (1976)

McWilliams, P.G., Potts, W.T.W.: The effects of pH and calcium on gill potentials in the Brown TroutS. trutta. J. comp. Physiol.126, 277?286 (1978)

Packer, R.K., Dunson, W.A.: Effects of low environmental pH on blood pH and sodium balance of brook trout. J. Exp. Zool.174, 65?72 (1970)

Potts, W.T.W., Parry, G.: Osmotic and ionic regulation in animals. London: Pergamon Press 1964

Shaw, J., Sutcliffe, D.: Studies on sodium balance inGammarus duebeni Lilljeborg andG. pulex (L.). J. Exp. Biol.38, 1?16 (1961)

Sutcliffe, D.W.: Sodium regulation in the amphipodGammarus duebeni from brackish-water and fresh-water localities in Britain. J. Exp. Biol.46, 529?550 (1967)

Stobbart, R.H., Keating, J., Earl, R.: A study of sodium uptake by the water fleaDaphnia magna. Comp. Biochem. Physiol.58A, 299?309 (1977)