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Vegetation changes following human disturbance of mid-montane forest in the Wau area, Papua New Guinea

Published online by Cambridge University Press:  10 July 2009

Johan L. C. H. Van Valkenburg  and
Pieter Ketner
Johan L. C. H. Van Valkenburg
Affiliation:
Department of Nature Conservation, PO Box 8080, 6700 DD, Wageningen, The Netherlands.
Pieter Ketner
Affiliation:
Department of Nature Conservation, PO Box 8080, 6700 DD, Wageningen, The Netherlands.
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Abstract

This paper examines the floristic changes that occur following human disturbance in mid-montane forest in the Wau area in Papua New Guinea. The study was restricted to a 1600–2400 m altitudinal range on Mt Kaindi, with disturbed forest, and Mt Missim, with undisturbed forest. Special attention was given to the status of Nothofagus pullei which is locally dominant on Mt Kaindi.

A major change in floristic composition was observed between 1800 and 2000 m. The abundance and species composition of ferns and mosses above 2000 m characterizes the floristic differences. Nothofagus pullei was found to be a pioneer species with a long life-span, one which does not regenerate under its own cover. There were no other important floristic differences between Notho-fagus-dominated forest and mixed mid-montane forest. Nothofagus pullei locally dominates the canopy and thereby suppresses the growth of other trees.

Keywords

mid-montane forestNothofagusPapua New Guineavegetation successionzonation
Type
Research Article
Information
Journal of Tropical Ecology , Volume 10 , Issue 1 , February 1994 , pp. 41 - 54
Copyright
Copyright © Cambridge University Press 1994

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