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Soil aeration as an ecological factor governing mangrove zonation

  • R. Jayasekera
  • H. Lieth
Part of the Tasks for vegetation science book series (TAVS, volume 27)

Abstract

The growth of both Rhizophora mangle L. and Rhizophora mucronata Lamk. in saline sand was highly promoted by flooded, reducing conditions in comparison to drained, aerobic conditions, showing the strong tolerance of Rhizophora seedlings to waterlogging and salinity. Under well-drained conditions, both shoot and root systems of the plants showed strongly retarded and reduced growth and a profound inverse proportionality was also found between root growth and pot volume; roots of both species were distorted and showed lack of capillary rootlets. The morphology of the root systems was greatly affected by the culture conditions providing evidence for the ecological adaptability of the Rhizophora root system to a wide variety of environmental conditions. The results obtained are in good agreement with their position in the lower, flooded zone of natural mangrove communities.

Keywords

aerobic/anaerobic soil conditions mangroves Rhizophora seedling growth soil aeration 

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References

  1. Aubertin, G.M. & Kardos, L.T. 1965b. Root growth through porous media under controlled conditions. II. Effect of aeration levels and rigidity. Proc. Soil Sci. Soc. America 29: 363–365.CrossRefGoogle Scholar
  2. Baltzer, F. 1969. Les formations végétales associées au delta de la Dumbea. Cah. Orstrom, Ser. Geol. 1(1): 59–84.Google Scholar
  3. Bole, J.B. 1973. Influence of root hairs in supplying soil phosphorus to wheat. Can. J. Soil Sci. 53: 169–175.CrossRefGoogle Scholar
  4. Boto, K.G. 1984. Waterlogged saline soils. In: S.C. Snedaker & J.G. Snedaker (eds), The Mangrove Ecosystem, Research Methods, pp. 114–130. UNESCO Publication.Google Scholar
  5. Bray, R.H. 1954. A nutrient mobility concept of soil-plant relationships. Soil Sci. 78: 9–22.CrossRefGoogle Scholar
  6. Brouwer, R. 1967. Beziehungen zwischen Spross-und Wurzelwachstum. Angewandte Botanik 41: 244–254.Google Scholar
  7. Chapman, V.J. 1944, 1939. Cambridge University expedition to Jamaica. J. Linn. Soc. Bot. (Lond.) 52: 407–533.CrossRefGoogle Scholar
  8. Chapman, V.J. 1976. Mangrove vegetation. J. Cramer. In der A.R. Gantner Verlag Kommanditgesellschaft, FL-9490 Vaduz.Google Scholar
  9. Clarke, L.D. & Hannon, N.J. 1970. The mangrove swamp and salt marsh communities of the Sydney district. III. Plant growth in relation to salinity and waterlogging. J. Ecol. 58(2): 351–369.CrossRefGoogle Scholar
  10. Davis, J.H. Jr. 1940. The ecology and geologic role of mangroves in Florida. Carnegie Institute, Washington Publication 517: 303–412.Google Scholar
  11. De Haan, J.H. 1931. Het een en ander over de Tjilatjapsche Vloed-bosschen. Tectona 24: 39–75.Google Scholar
  12. Gill, A.M. & Tomlinson, P.B. 1977. Studies on the growth of red mangrove (Rhizophora mangle). 4. The adult root system. Biotropica 9(3): 145–155.CrossRefGoogle Scholar
  13. Grime, J.P. 1977. Evidence for the existence of three primary strategies in plants and its relevance to ecological and evolutionary theory. The American Naturalist III(982): 1169–1194.CrossRefGoogle Scholar
  14. Jackson, M.B. 1982. Ethylene as a growth promoting hormone under flooded conditions. In: P.F. Wareing (ed), Plant Growth Substances, pp. 291–303. Academic Press, London, New York, Paris.Google Scholar
  15. MacNae, W. 1968. A general account of the fauna and flora of mangrove swamps and forests in the Indo-West Pacific region. Adv. Mar. Biol. 6: 73–269.CrossRefGoogle Scholar
  16. Walter, H. & Steiner, M. 1936. Die Oekologie der Ostafrikanischen Mangroven. Z. Bot. 30: 65–193.Google Scholar
  17. Watson, J.G. 1928. Mangrove forests of the Malay Peninsula. Malay For. Res. 6: 275.Google Scholar

Copyright information

© Springer Science+Business Media Dordrecht 1993

Authors and Affiliations

  • R. Jayasekera
    • 1
  • H. Lieth
    • 2
  1. 1.Department of BotanyUniversity of KelaniyaSri Lanka
  2. 2.Department of EcologyUniversity of OsnabrückOsnabrückGermany

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