Vegetatio

, Volume 101, Issue 2, pp 171–181 | Cite as

Vegetation survey of the Wasgomuwa National Park: reconnaissance

  • T. Jayasingam
  • S. Balasubramaniam
  • S. Vivekanantharajah
Article
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Abstract

Wasgomuwa National Park is situated south of Polonnaruwa and north of Mahiyangana in Sri Lanka and is bordered by two rivers Mahaweli Ganga and Amban Ganga. Bioclimatically most of the park lies in the dry zone of the country but the south west embraces the intermediate zone. The vegetation is broadly a dry monsoonal forest but forms an interesting mosaic of vegetation types from Semi evergreen forest to abandoned paddy fields, on a finer scale.

The vegetation of the park was studied in detail on ground and also using aerial photographs. It was possible to classify the vegetation into many distinct types or phytosociological units, based on their cover, site characteristics, physiognomy and species composition.

  1. 1.

    Forests

     
  2. 1.1

    Tall riparian forests

     
  3. 1.2

    Semi-Evergreen forests

     
  4. 1.3

    Hill forests

     
  5. 1.4

    Forest of rock outcrops

     
  6. 1.5

    High stature Monsoon forests

     
  7. 1.6

    Degraded forests

     
  8. 1.7

    Seral scrubland

     
  1. 2.

    Grasslands

     
  2. 2.1

    Iluk (Imperata cylindrica) grasslands

     
  3. 2.2

    Ischemum and Eragrostis grasslands

     
  1. 3.

    Abandoned cultivated lands

     
  2. 3.1

    Low lying fields with remnant Manilkara and Bauhinia

     
  3. 3.2

    Highland chenas, overgrown with Phyllanthus scrub

     

The different types of vegetation are described. The origin and the development of the different phytosociological units are the viewed through anthropogenic, historic and environmental factors.

Keywords

Sri Lanka Vegetation Monsoon forest Tropical 

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References

  1. Austin M. P. 1981. Permanent Quadrats: An interface for theory and practice. Vegetatio 46: 1–10.Google Scholar
  2. Brohier R. L. 1934. Ancient irrigation works in Ceylon. The Ministry of Mahaweli development, Sri Lanka.Google Scholar
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  4. Holmes C. H. 1956. The broad pattern of climate and vegetational distribution in Ceylon, The Ceylon Forester, II, 4 (new series) pp. 209–225.Google Scholar
  5. Master Plan of Wasgomuwa National Park, Sri Lanka 1986. Mahaweli environment Project, Department of Wild life conservation, Ministry of State, Sri Lanka.Google Scholar
  6. Nugegoda, D. & Balasubramaniam, S. 1987. Vegetation cover of the Uda Walawe National Park, Sri Lankan Association for the Advancement of science Abstract (1987) p. 159.Google Scholar
  7. White P. S. & Pickett S. T. A. 1985. Natural disturbance and Patch dynamics: an Introduction in ‘The ecology of natural disturbances and patch dynamics’. Pickett and White (eds.) Academic Press Inc., U.S.A.Google Scholar

Copyright information

© Kluwer Academic Publishers 1992

Authors and Affiliations

  • T. Jayasingam
    • 1
  • S. Balasubramaniam
    • 2
  • S. Vivekanantharajah
    • 1
  1. 1.Department of BotanyEastern UniversitySri Lanka
  2. 2.Department of BotanyUniversity of PeradeniyaSri Lanka

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