Content of the Volume 12.
Bancsi, I. (1977): Diurnal water-chemical investigations in an experimental area at the Kisköre water barrage. – Tiscia 12, 3-10.
Estók, B. and Andrik, P. (1977): The bacteriological investigation of the Tisza in the stretch between Cigánd and Kisköre in 1975. – Tiscia 12, 11-15.
Hamar, J. (1977): Data on knowledge of the blue-green alga Anabaenopsis raciborskii Wolosz. – Tiscia 12, 17-20.
Hamar, J. (1977): Data on the summer algal flora of dead-arms in the vicinity of Tiszafüred. – Tiscia 12, 21-36.
Kiss, I. (1977): Investigation of the water blooms of Eudorina elegans in the dead-arm of the river Tisza at the community Mártély. – Tiscia 12, 37-47.
Kiss, I. (1977): Variability of Scenedesmus ecornis (Ralfs) Chod. in the dead-arm of the river Tisza at Körtvélyes. – Tiscia 12, 49-57.
Váncsa, A. L. (1977): Tychoplanktonical algal associations of the Sajó. – Tiscia 12, 57-64.
Bodrogközy, Gy. and Horváth, I. (1977): Connections between stand pattern and the organic-matter production in the marshlands of the inundation area at Körtvélyes. – Tiscia 12, 65-70.
Keresztes, T. and M.Horváth, M. (1977): Investigation into the 2,4-D accumulation of water-plants. – Tiscia 12, 71-76.
Beliczay, I. (1977): Reconstruction of the nature conservation district Mártély. – Tiscia 12, 77-84.
Szabó, A. and Kiss Keve, T. (1977): Summer longitudinal section investigations in the Tisza and the Eastern main channel II. Quantitative changes in the zooplankton. – Tiscia 12, 85-91.
Tóth, S. (1977): Quantitative and qualitative investigations into the Culicidae-fauna of the Tisza-basin. – Tiscia 12, 93-99.
Farkas, A. (1977): Pisces fauna of the Tisza dead-arm at Körtvélyes. – Tiscia 12, 101-108 .
Harka, A. (1977): Growth of pike-perch (Lucioperca lucioperca L.) in the Tisza stretch at Tiszafüred. – Tiscia 12, 109-115.
Marián, M. (1977): Effect of floods on the Amphibia-Reptilia fauna living in the flood-plain of the Tisza and their regeneration. – Tiscia 12, 117-121.
Ilosvay, Gy. (1977): Effect of urbanization on the herpetofauna of a settlement at the Tisza (Szeged). – Tiscia 12, 123-130.
Legány, A., Kónya, J. and Vértes, I. (1977): Data on the avifauna of the Tisza region in Szatmár-Bereg. – Tiscia 12, 131-139.
Sterbetz, I. (1977): The rook (Corvus frugilegus L, 1758) in the nesting community of the heronry at Sasér. – Tiscia 12, 141-144.
Marián, M. (1977): On the activity of the Tisza-research working committee in 1976. – Tiscia 12, 145-147.
Bodrogközy, Gy. (1977): Research into the life of the Tisza. Conference on Tisza Research in 1976. – Tiscia 12, 149-154.