Some results from phytoplankton counting intercalibrations

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

Bailey-Watts, A. E., and Karika, A.: The assessment of size variation in Loch Leven phytoplanton: methodology and some of its uses in the study of factors influencing size. J. Plankt Res., in press (1981).

Bürgi, H.R.: 2. Internationaler Workshop aktiver Phytoplanktologen. 21. bis 27. August 1978 in Kastanienbaum. Verhandlungsbericht. Schweiz. Z. Hydrol.40/2, 306–309 (1978).

Burnham, J.C., Stetak, T.H., and Boulger, J.: An improved method of cell enumeration for filamentous algae and bacteria. J. Phycol.9, 346–349 (1973).

Cronberg, G.: Phytoplankton changes in lake Trummen induced by restoration. Thesis, Univ. Lund, 117 p. (1980).

Edler, L. (ed.): Recommendations for marine biological studies in the Baltic sea, phytoplankton and chlorophyll. Baltic Mar. Biolog.5, 38 p. (1979).

Elliott, J.M.: Some methods for the statistical analysis of samples of benthic invertebrates. Freshwat. Biol. Ass.25, 2nd ed., 2nd impr., 156 p. (1979).

Eloranta, P.: Effects of size of sample counted in phytoplankton analyses. Ann. Bot. Fenn.,15, 169–176 (1978).

Fricker, H.J.: OECD Eutrophication Programme, Regional Report Alpine Lakes; Swiss Federal Board for Environmental Protection, Switzerland (1980).

Hasle, G.R.: ‘The inverted microscope method’ and ‘Identification problems. General recommendations’. In: Sournia, A. (ed.): Phytoplankton manual. UNESCO Monogr. Oceanogr. Method., Paris6, 88–97 (1978).

Hobro, R., and Willén, E.: Phytoplankton counting and volume calculations from the Baltic—a method comparison. Vatten4, 317–325 (1975).

Hobro, R., and Willén, E.: Phytoplankton countings. Intercalibration results and recommendations for routine work. Int. Revue ges. Hydrobiol.62, 805–811 (1977).

Humphries, S.E., and Widjaja, F.: A simple method for separating cells ofMicrocystis aeruginosa for counting. Br. phycol. J.14 313–316 (1979).

Javornicky, P.: Die Revision einiger Methoden zum Feststellen der Quantität des Phytoplanktons (Revise nekterych method pro zjistovani kvantity fytoplanktonu). Sb. vys. Sk. chem.-technol. Praze, Oddil fakulty technologie paliv a vody, Prague2, 283–367 (1958).

Larsson, K., Weibull C., and Cronberg, G.: Comparison of light and electron microscopic determinations of the number of bacteria and algae in lake waters. Appl. Environ. Microbiol.35, 397–404 (1978).

Lorenzen, C.J.: Determination of chlorophyll and phaeopigments: spectrophotometric equations. Limnol. Oceanogr.12, 343–346 (1967).

Lund, J.W.G., Kipling, C. and Le Cren, E.D.: The inverted microscope method of estimating algal numbers and the statistical basis of estimation by counting. Hydrobiologia11, 143–170 (1958).

Nauwerck, A.: Die Beziehungen zwischen Zooplankton und Phytoplankton im See Erken. Symbol. Bot. Upsal.17, 163 p. (1963).

Olson, F.C.W.: Quantitative estimates of filamentous algae. Trans. Am. Microsc. Soc.69, 272–279 (1950).

Reynolds, C.S., and Jaworski, G.H.M.: Enumeration of naturalMicrocystis populations. Br. phycol. J.13, 269–277 (1978).

Rott, E.: Chlorophyll-a-Konzentration und Zellvolumen als Parameter der Phytoplanktonbiomasse. Ber. nat.-med. Ver. Innsbruck65, 11–21 (1978).

Throndson, J.: Preservation and storage. In: Sournia, A. (ed.): Phytoplankton manual. UNESCO Monogr. Oceanogr. Method., Paris6, 69–75 (1978).

Uehlinger, V.: Etude statistique des méthodes de dénobrement planctonique. Thesis, Univ. Geneva, 223 p. (1974).

UNESCO: A review of methods used for quantitative phytoplankton studies: UNESCO techn. Pap. marine Sci.18, 27 p. (1974).

Utermöhl, H.: Neue Wege in der quantitativen Erfassung des Planktons. Verh. int. Verein. Limnol.5, 567–596 (1931).

Utermöhl, H.: Zur Vervollkommung der quantitativen Phytoplankton-Methodik. Mitt. int. Verein. theor. angew. Limnol.9, 38 p. (1958).

Venrick, E.L.: ‘The implications of subsampling’ and ‘How many cells to count?’ In: Sournia, A, (ed.), Phytoplankton manual, UNESCO Monogr. Oceanogr. Method., Paris6, 75–88, 167–181 (1978).

Willén, E.: A simplified method of phytoplankton counting. Br. phycol. J.11, 265–278 (1976).