IMPORTANCE OF PICOPHYTOPLANKTON IN AQUATIC ECOSYSTEM

Agawin, N. S. R.; Duarte, C. M. and Agusti, S. (2000). Nutrient and temperature control of the contribution of picoplankton to phytoplankton biomass and production Limnol. Oceanogr., 45: 591-600

Ambrožová, J. (2001). Separation methods for the concentration of picoplankton. Algol. Stud., 137: 129-135.

Andersen, R. A.; Saunders, G. W.; Paskind, M. P. and Sexton, J. P. (1993). Ultrastructure and 18S rRNA gene sequence for Pelagomonas calceolata gen. et sp. nov. and the description of a new algal class, the Pelagophyceae classis nov. J. Phycol., 29: 701-715.

Bailey-Watts, A. E. (1978). A nine-year study of the phytoplankton of the eutrophic and non-stratifying Loch Leven (Kinross, Scotland). J. Ecol., 66: 741-771.

Bell, T. and Kalff, J. (2001). The contribution of picophytoplankton in marine and freshwater systems of different trophic status and depth. Limnol. Oceanogr., 46: 1243-1248.

Bergeron, M. and Vincent, W. F. (1997). Microbial food web responses to phosphorus supply and solar UV radiation in a subarctic lake. Aquat. Microb. Ecol., 12: 239-249.

Bertoni, R. and Callieri, C. (1999). Effects of UVB radiation on freshwater autotrophic and heterotrophic picoplankton in a subalpine lake. J. Plankton Res., 21: 1373-1388.

Cavender-Bares, K. K.; Mann, E. L.; Chisholm, S. W.; Ondrusek, M. E. and Bidigare, R. R. (1999). Differential response of equatorial Pacific phytoplankton to iron fertilization .Limnol. Oceanogr., 44: 237-246.

Callieri, C.; Amicucci, E.; Bertoni R. and Vörös, L. (1996). Fluorometric characterization of two picocyanobacteria strains from lakes of different underwater light quality. Internat. Revue. ges. Hydrobiol., 81: 13-23.

Caron, D. A.; Be, A. W. H. and Anderson, O. R. (1982). Effects of variations in light intensity on life processes of the planktonic foraminifer Globigerinoides sacculifer in laboratory culture. J. Mar. Biol. Assoc. U.K., 62: 435-451

Caron, D. A.; Pick, F. R. and Lean, D. R. S. (1985). Chroococcoid cyanobacteria in Lake Ontario: seasonal and vertical distribution during 1982. J. Phycol., 21: 171-175

Caroppo, C. (2000). The contribution of picophytoplankton to community structure in a Mediterranean brackish environment. J. Plankton Res., 22: 381-397

Carreto, J. I.; Carignan, M. O.; Daleo, G. and De Marco, S. G. (1990). Occurrence of mycosporine-like amino acids in the red-tide dinoflagellate Alexandrium excavatum : UV-photoprotective compounds? J. Plankton Res., 12: 909-921.

Chisholm, S. W.; Olson, R. J.; Zettler, E. R.; Goerick, R.; Waterbury, J. B. and Welschmeyer, N. A. (1988). A novel free-living prochlorophyte abundant in the oceanic euphotic zone. Nature, 334: (6180), 340-343.

Chisholm, S. W. (1992). What limits phytoplankton growth?. Oceanus, 35: 36-46.

Chisholm, S. W.; Frankel, S. L.; Goericke, R.; Olson, R. J.; Palenik, B.; Waterbury, J. B.; West-Johnsrud, L. and Zettler, E. R. (1992). Prochlorococcus marinus nov. gen. nov. sp.: An oxyphototrophic marine prokaryote containing divinyl chlorophyll a and b. Arch. Microbiol., 157: 297-300.

Cronberg, G. and Weibull, C. (1981). Cyanodictyon imperfectum a new chroococcal blue-green alga from Lake Trummen, Sweden. Arch. Hydrobiol. Suppl., 60:101-110.

Collier, J. L. (2000). Flow cytometry and the single cell in phycology. J. Phycol., 36: 628-644.

Crosbie, N. D. and Furnas, M. J. (2001). Abundance, distribution and flow-cytometric characterization of picophytoprokaryote populations in central (17 degree S) and southern (20 degree S) shelf waters of the Great Barrier Reef. J. Plankton Res., 23: 809-828.

DeYoe, H. R.; Chan, A. M. and Suttle, C. A. (1995). Phylogeny of Aureococcus anophagefferens and a morphologically similar bloom-forming alga from Texas as determined by 18S ribosomal RNA sequence analysis. J. Phycol., 31: 413-418.

Felsentein, J. (1993). PHYLIP (Phylogeny Inference Package). Version 3.5c Department of Genetics, University of Washington.

Froneman, P. W.; Laubscher, R. K. and Mcquaid, C. D. (2001). Size-fractionated Primary Production in the South Atlantic and Atlantic Sectors of the Southern Ocean. J. Plankton Res., 23: 611-622.

G.-Tóth L.; V.-Balogh, K. and P-Zánkai, N. (1986). Significance and degree of abioseston consumption in the filter-feeder Daphnia galeata Sars am. Richard (Cladocera) in Lake Balaton. Arch. Hydrobiol., 106: 45-60.

Guillou, L; Chretiennot-Dinet, M-J.; Medlin, L. K.; Claustre, H.; Goeer, SL-D. and Vaulot D. (1999). Bolidomonas: A new genus with two species belonging to a new algal class, the Bolidophyceae (Heterokonta) J. Phycol., 35: 368-381.

Hawley, G. R. W. and Whitton, B. A. (1991). Seasonal changes in chlorophyll-containing picoplankton populations of ten lakes in northern England. Int. Rev. gesamt. Hydrobiol. Berlin., 76: 545-554.

Herndl, G. J.; Mueller-Niklas, G.and Frick, J. (1993). Major role of ultraviolet-B in controlling bacterioplankton growth in the surface layer of the ocean. Nature, 361: 717-719.

Hobbie, J. E.; Daley, R. J. and Jasper, S. (1977). Use of nuclepore filters for counting bacteria by fluorescence microscopy. Appl. Environm. Microbiol., 33: 1225-1228.

Iturriaga, R. and Marra, J. (1988). Temporal and spatial variability of chroococcoid cyanobacteria Synechococcus spp. specific growth rates and their contribution to primary production in the Sargasso Sea. Mar. ecol. Prog.ser., 44: 175-181.

Johnson, P. W. and Sieburth, J. McN. (1979). Chroococcoid cyanobacteria in the sea: a ubiquitous and diverse phototrophic biomass. Limnol. Oceanogr., 24: 928-935.

Kimura, M. (1980). A simple method for estimating evolutionary rates of base substitution through comparative studies of nucleotide sequences. J. Mol. Evol., 16: 111-120.

Laws, E. A. (1975). The importance of respiration losses in controlling the size distribution of marine phytoplankton. Ecology, 56: 419-426.

Li, W. K. W. (1998). Annual average abundance of heterotrophic bacteria and Synechococcus in surface ocean waters. Limnol. Oceanogr., 43: 1746-1753.

Lopez-Garcia, P.; Rodriguez-Valera, F.; Pedros-Allo, C. and Moreira, D. (2001). Unexpected diversity of small eukaryotes in deep-sea Antarctic plankton Nature [Nature]. Vol. 409, no. 6820, pp. 603-607.

Maildak, B. L.; Larsen, N.; McCaughey, M. J.; Overbeek, R.; Olsen, G. J.; Fogel, K.; Blandy, J. and Woese, C. R. (1994). The ribosomal database project. Nucleic Acids Res., 22: 3485-3487.

Malone, T. C. (1980). Size-fractionated primary productivity of marine phytoplankton In: Primary productivity in the sea., Publ. by: Plenum; New York, NY (USA). Environ. Sci. Res., 19: 301-319.

Malone, T. C.; Falkowski, P. G.; Hopkins, T. S.; Rowe, G. T. and Whitledge, T. E. (1983). Mesoscale response of diatom populations to a wind event in the plume of the Hudson River. Deep-Sea Res., 30A: 149-170.

Mastala, Z; Herodek, S.; V-Balogh, K; Borbely, G; Shafik, H. M. and Vörös, L. (1996). Nutrient requirement and growth of a Synechococcus species isolated from Lake Balaton. Int. Rev. Gesamt. Hydrobiol., 81: 503-512

Moon-Van der Staay, S. Y.; van der Staay, G. W. M.; Guillou, L.; Vaulot, D.; Claustre, H. and Medlin, L. K. (2000). Abundance and diversity of prymnesiophytes in the picoplankton community from the Equatorial Pacific Ocean inferred from 18S rDNA sequences. Limnol. Oceanogr., 45: 98-109.

Moon-van der Staay, S. Y.; De Wachter, R and Vaulot, D. (2001). Oceanic 18S rDNA sequences from picoplankton reveal unsuspected eukaryotic diversity. Nature, 409: 607-610.

Mura, M. P.; Agusti, S.; Giorgio, Padel., Gasol, J. M.; Vaque, D. and Duarte, C. M. (1996). Loss-controlled phytoplankton production in nutrient-poor littoral waters of the NW Mediterranean: In situ experimental evidence. MAR. ECOL. PROG. SER., 130: 213-219.

Pace, N. R. (1997). A molecular view of microbial diversity and the biosphere. Science, 276: 734-740.

Partensky, F; Hess, WR and Vaulot, D (1999a). Prochlorococcus, a marine photosynthetic prokaryote of global significance. Microbiol. Mol. Biol. Rev., 63: 106-127.

Partensky, F.; Blanchot, J. and Vaulot, D. (1999b). Differential distribution and ecology of Prochlorococcus and Synechococcus in oceanic waters: a review Marine Cyanobacteria. Bull. Inst. Oceanogr. Monaco.,  19: 457-475.

Potter, D; Lajeunesse, T. C.; Saunders, G. W. and Anderson, R. A. (1997). Convergent evolution masks extensive biodiversity among marine coccoid picoplankton. Biodivers. Conserv., 6: 99-107.

Présing, M.; Herodek, S.; Vörös, L. and Karbor, I. (1996). Nitrogen fixation, ammonium and nitrate uptake during a bloom of Cylindospermopsis raciborskii in Lake Balaton. Arch. Hydrobiol., 136: 553-562.

Présing, M.; V-Balogh, K.; Vörös, L. and Shafik, H. M. (1997). Relative nitrogen deficiency without occurrence of nitrogen fixing blue-green algae in hypertrophic reservoir. Hydrobiologia, 342/343:55-61.

Présing, M.; Herodek, S.; Vörös, L.; Preston, T. and Abrusán, Gy. (1999). Nitrogen uptake by summer phytoplankton in Lake Balaton. Arch. Hydrobiol., 145: 93-110.

Rajagopal, S. and Murthy, S. D. S. (1996). Ultraviolet-B radiation induced alterations in photosynthetic electron transport activites of the cyanobacterium Synechococcus 6301. Photosynthetica 32: 281-284.

Raven, J. A. (1998). The twelfth tansley lecture. Small is beautiful: The picophytoplankton Funct. Ecol., 12: 503-513.

Saunders, G. W.; Potter, D. and Andersen, R. A. (1997). Phylogenetic affinities of the Sarcinochrysidales and Chrysomeridales (Heterokonta) based on analyses of molecular and combined data. J. Phycol., 33: 310-318.

Schelske, C. L.; Carrick, H. J. and Aldridge, F. J. (1995). Can wind-induced resuspension of meroplankton affect phytoplankton dynamics? J. N. Am. Benthol. Soc., 14: 616-630.

Steitz, A and Velimirov, B (1999). Contribution of picocyanobacteria to total primary production and community respiratory losses in a backwater system. J. Plankton Res., 21: 2341-2360.

Schweizer, A. (1997). From littoral to pelagial: Comparing the distribution of phytoplankton and ciliated protozoa along a transect. J. Plankton Res., 19: 829-848.

Shafik H. M. (1996). Competition between phyto-and bacterioplankton from Lake Balaton in continuous cultures. J. Union Arab Biol. Cairo., 3 (B), 49-65.

Shafik H. M. (2002). Succession of a Freshwater phytoplankton Community in ammonium Limited Chemostat cultures Bullitan Assiut

Sieburth, J. M.; Smetacek, V. and Lenz, J. (1978). Pelagic ecosystem structure: Heterotrophic compartments of the plankton and their relationship to plankton size fractions. Limnol. Oceanogr., 23: 1256-1263.

Sin, Y.; Wetzel, R. L. and Anderson, I. C. (2000). Seasonal variations of size-fractionated phytoplankton along the salinity gradient in the York River estuary, Virginia (USA) J. Plankton Res., 22: 1945-1960.

Stockner, J. G. 1988 Phototrophic picoplankton: An overview from marine and freshwater ecosystems. Limnol. Oceanogr., 33: 765-775.

Stockner, J. G. and Antia, N. J. (1986). Algal picoplankton from marine and freshwater ecosystems: a multidisciplinary perspective. Can. J. Fish. Aquat. Sci., 43: 2472-2503.

Stockner, J. G. (1991). Autotrophic picoplankton in freshwater ecosystems: The view from the summit. Int. Revue ges. Hydrobiol., 76: 483-492.

Takahashi, M.; Kikuchi, K. and Hara, Y (1985). Importance of picocyanobacteria biomass (unicellular, blue-green algae) in the phytoplankton population of the coastal waters off Japan. Mar. biol. Berlin, Heidelberg., 89: 63-69.

Thompson, J. D.; Higgins, D. G. and Gibson T. J. (1994). CLUSTAL W: Improving the sensitivity of progressive multiple sequence alignment through sequence weighting, position-specific gap penalties and weight matrix choice. Nucleic Acids Res., 22: 4673-4680

Utermöhl, H. (1958). Zur Vervollkommung der quantitativen Phytoplankton. Methodik. Mitt. Int. Ver. Limnol., 9: 1-38.

Waterbury, J. B., Watson, S. W., Guillard, R. R. and Brand, L. E. (1979). Widespread occurrence of a unicellular, marine, planktonic cyanobacterium. Nature, 277: 293-294.

Waterbury, J. B.; Watson, S. W.; Valois, F. W. and Franks, D. G. (1986). Biological characterization of the marine unicellar cyanobacterium Synechococcus. Can. Bull. Fish. Aquatic Sci., 214:71-120.

Vaulot, D.; Courties, C. and Partensky, F. (1989). Heterogeneity in fragility and other biochemical and biophysical properties: A simple method to preserve oceanic phytoplankton for flow cytometric analyses. Cytometry in aquatic sciences, Cytometry, 10: 629-634.

Vaulot, D.; Partensky, F.; Neveux, J.; Mantoura, R. F. C.and Llewellyn, C. A. (1990). Winter presence of prochlorophytes in surface waters of the northwestern Mediterranean Sea. Limnol. Oceanogr., 35: 1156-1164.

Vaulot, D; and Marie, D (1999). Variability of photosynthetic picoplankton in the equatorial Pacific. J. Geophys. Res. (C Oceans). 104: 3297-3310.

V.-Balogh, K. (1999). Effect of humic substances on phytoplankton in lakes. In Shafik H. M. (ed.) Role of algae in development and purification of lakes and rivers. Suez Canal University Press, Egypt. 1: 49-70.

V.-Balogh, K.; Koncz, E. and Vörös, L. (2000).An empirical model describing the contribution of colour, algae and particles light climate of shallow lakes. Verh. Internat. Verein. Limnol., 27: 2678-2681.

Vörös, L. (1991). Importance of picoplankton in Hungarian shallow lakes. Verh. internat. Verein. Limnol., 24: 984-988.

Vörös, L. (1999). Role of autotrophic picoplankton in lakes In Shafik H.M. (ed.) Role of algae in development and purification of lakes and rivers. Suez Canal University Press, Egypt. 1: 31-48.

Vörös, L. and Padisák J. (1991). Phytoplankton biomass and chlorophyll-a in some shallow lakes in central Europe. Hydrobiologia, 215: 111-119.

Vörös, L.; Gulyás, P. and Németh, J. (1991). Occurrence, dynamics and production of picoplankton in Hungarian shallow lakes.  Int. Revue ges. Hydrobiol.,76: 617-629

Vörös, L.; Oldal, I.; Présing M. and V.-Balogh K. (1997). Size-selective filtration and taxon-specific digestion of plankton algae by silver carp (Hypophthalmichthys molitrix Val.). Hydrobiologia, 342/343: 223-228

Vörös, L.; Callieri, C.; V.-Balogh K. and Bertoni R. (1998a). Freshwater picocyanobacteria along a trophic gradient and light quality range. Hydrobiologia, 369/370: 117-125.

Vörös, L.; Présing, M.; V.-Balogh, K. and Oldal, I. (1998b). Nutrient removal efficiency of a pollution control reservoir. Int. Revue ges. Hydrobiol., 83: (Spec. Issue) 665-672

Vörös, L.; Balogh, K. V.; Herodek, S. and Kiss, K. T. (2000). Underwater light conditions, phytoplankton photosynthesis and bacterioplankton production in the Hungarian section of the River Danube. Arch. Hydrobiol., (Suppl.) (Large Rivers) 115: 511-532.

Yentsch, C. M.; Mague, F. C.; Horan, P. K. and Muirhead, K. (1983). Flow cytometric DNA deteminations on individual cells of the dinoflagellate Gonyaulax tamarensis var. excavata. J. Exp. Mar. Biol. Ecol., 67: 175-183.

Zettler, E. R.; Olson, R. J.; Binder, B. J.; Chisholm, S. W.; Fitzwater, S. E. and Gordon, R. M. (1996). Iron-enrichment bottle experiments in the Equatorial Pacific: Responses of individual phytoplankton cells Deep-Sea Res. (II Top. Stud. Oceanogr.) 43: 1017-1029