Abstract
Our purpose is to establish the quantitative relationship between recent diatom floras and ecological parameters, in order to extrapolate the results to the past. The parameter pH is here considered as an example.
This work is based on the study of about I60 diatom samples from East Africa and of their corresponding biotopes. We propose some statistical methods to interpret the data.
Correspondence analysis allows us to define the pH-indicator species. The regression calculations allow pH values to be calculated using the percentage of the diatom species in a sample.
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References
Benzecri, J. P., 1973. La taxinomie. L'analyse des données 1. Dunod. Paris. 615 pp.
Benzecri, J. P., 1978. Problèmes statistiques et méthodes géométriques. Cah. Anal. Données 3: 131–146.
Benzecri, J. P., 1980. Pratique de l'analyse des données. Analyse des correspondances. Dunod, Paris. 315 pp.
Bryson, R. A. & Kutzbach, J. E., 1974. On the analysis of Pollen-Climate Canonical Transfer Functions, Quater. Res. 4: 162–174.
Cazes, P., 1978. Méthodes de régression III. L'analyse des données. Cah. Anal. Données 3: 385–391.
Gasse, F., 1975. L'évolution des lacs de l'Afar Central (Ethiopie et T. F.A.I.) du Plio-Pléistocène à l'Actuel. Thesis, University of Paris I: 1: 390 pp., 3: 59 pl.
Gasse, F., 1977. Evolution of Lake Abhé (Ethiopia and T. F. A. I.) from 70 000 b.p. Nature 265: 42–45.
Gasse, F., 1980. Late Quaternary changes in lake levels and diatom assemblages on the Southeastern margin of the Sahara. Paleoecology of Africa 12: 333–350.
Gasse, F., 1983. Diatoms from East Africa. Bibliotheca Phycologica, in press.
Gasse, F. & Tekaia, F., 1979. La paléoécologie des diatomées. Cah. Anal. Données 4: 81–94.
Gasse, F. & Tekaia, F., 1982. Tentative definition, comparison and interpretation of fossil diatom assemblages from Eastern Africa. Proceedings of VIth Symp. on Recent and Fossil diatoms, Budapest, 1980. Acta Geol. Ac. Scient. Hung, 25: 135–140.
Harvey, T. K., 1976. The paleolimnology of Lake Mobutu Sese Seko, Uganda-Zaire: the last 28 000 years. Ph. D. Thesis, Duke University, U.S.A. 103 pp.
Holdship, S. A., 1976. The paleolimnology of Lake Manyara, Tanzania; a diatom analysis of a 56 meter sediment core. Ph. D. Thesis, Duke University, U.S.A. 112 pp.
Kilham, P., 1971. Biogeochemistry of African lakes and rivers. Ph. D. Thesis, Duke University, U.S.A. 199 pp.
Kipp, N. G., 1976. New transfer function for estimating past sea-surface conditions from sea-bed distribution of planktonic foraminiferal assemblages in the North Atlantic, Geol. Soc. Am. Mem. 145:3–41.
Lebart, L., Morineau, A. & Tabard, N., 1977. Techniques de la description statistique, Dunod, Paris.
Richardson, J. L., Harvey, T. J., Holdship, S. A., 1978. Diatoms in the history of shallow East African lakes. Pol. Arch. Hydrobiol. 25: 341–343.
Richardson, J. L. & Richardson, A. E., 1972. History of an African Rift lake and its climatic implications. Ecol. Monog. 42: 499–534.
Roux, M., 1979. Estimation des paléoclimats d'après l'écologie des Foraminifères. Cah. Anal. Données 4: 61–79.
Tailing, J. F., 1976. Phytoplankton: composition, development and productivity. In: J. Rzoska (ed.). ‘The Nile, Biology of an ancient River’, Junk, The Hague. pp. 385–402.
Tailing, J. F. & Tailing, I. B., 1965. The chemical composition of African lake waters. Int. Rev. ges. Hydrobiol. 50: 421–463.
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Gasse, F., Tekaia, F. Transfer functions for estimating paleoecological conditions (pH) from East African diatoms. Hydrobiologia 103, 85–90 (1983). https://doi.org/10.1007/BF00028433
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DOI: https://doi.org/10.1007/BF00028433