References
- Jasser, I. & Arvola, L., 2002: Effects of abiotic factors on the abundance of autotrophic picoplankton in four boreal lakes. — J. Plankt. Res. (submitted).
- Johnson, P. W. & Sieburth, J. Mcn., 1979: Chroococcoid cyanobacteria in the sea: a ubiquitous and phototrophic biomass. — Limnol. Oceanogr. 24: 928–935.
- Johnson, P. W. & Sieburth, J. McN., 1982: In situ morphology and occurrence of eukaryotic phototrophs of bacterial size in the picoplankton of estuarine and oceanic waters. — J. PhycoL 18: 318–327.
- Komárek, J., 1998: Towards a combined approach for the taxonomy and species delimitation of picoplanktonic cyanoprokaryotes. — Algol. Stud. 83: 377–401.
- Malinsky-Rushansky, N. & Berman, T., 1991: Picocyanobacteria and bacteria in Lake Kinneret. — Int. Rev. Gesamten. Hydrobiol. 76: 555–564.
- Stockner, J. G., 1988: Phototrophic picoplankton: An overview from marine and freshwater ecosystems. — Limnol. Oceanogr. 33: 765–775.
- Utermöhl, H., 1958: Zur Vervollkommnung der quantitativen Phytoplankton-Methodik. — Mitt. Int. Ver. Limnol. 9: 1–38.
- Verity, P. G., Robertson, C. Y., Tronzo, C. R., Andrews, M. G., Nelson, J. R. & Sieracki, M. E., 1992: Relationships between cell volume and the carbon and nitrogen content of marine photosynthetic nanoplankton. — Limnol. Oceanogr. 37: 1434–1446.
- Vörös, L., Gulyas, P. & Nemeth, J., 1991: Occurrence, dynamics and production of picoplankton in Hungarian shallow lakes. — Int. Rev. Gesamten Hydrobiol. 76: 617–629.
- Waterbury, J. E., Watson, S. W., Guillard, R. R. L. & Brand, L. E., 1979: Widespread occurrence of a unicellular, marine, planktonic cyanobacterium. — Nature 277: 293–294.
- Wehr, J. D., 1989: Experimental tests of nutrient limitation in freshwater picoplankton. — Appl. Environ. Microbiol. 55: 1605–1611.
- Weisse, T., 1993: Dynamics of autotrophic picoplankton in marine and freshwater ecosystems. — In: Johnes, J. G. (ed.): Advances in Microbial Ecology. 13: 327–370. — Plenum Press, New York.