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MOUNT BLOOMFIELD, PALAWAN, PHILIPPINES: FORESTS ON GREYWACKE AND SERPENTINIZED PERIDOTITE

Published online by Cambridge University Press:  04 December 2000

J. PROCTOR ,
A. J. M. BAKER ,
M. M. J. VAN BALGOOY ,
L. A. BRUIJNZEEL ,
S. H. JONES  and
D. A. MADULID
J. PROCTOR
Affiliation:
Department of Biological Sciences University of Stirling, Stirling FK9 4LA, UK
A. J. M. BAKER
Affiliation:
Department of Animal and Plant Science, University of Sheffield, Sheffield S10 2TN, UK
M. M. J. VAN BALGOOY
Affiliation:
Rijksherbarium/Hortus Botanicus, Leiden, the Netherlands
L. A. BRUIJNZEEL
Affiliation:
Faculty of Earth Sciences, Vrije Universiteit, 1081 HV Amsterdam, the Netherlands
S. H. JONES
Affiliation:
Department of Biological Sciences University of Stirling, Stirling FK9 4LA, UK
D. A. MADULID
Affiliation:
Department of Botany, National Museum, Manila, the Philippines
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Abstract

The forest across a sharp boundary between greywacke and serpentinized peridotite is described from a site with seasonal rainfall on Palawan, Philippines. The forest on greywacke was of much larger stature (trees up to 26m) than that on the serpentinized peridotite (trees up to 18m). The tree (>10cm dbh) species richness was the same on both substrata with 38 species in one 0.16ha plot on each side of the boundary. There were many more individuals in the greywacke plot (149) than on the serpentinized peridotite (114). Floristically the plots were very different, with only one tree species, an unidentified Madhuca, occurring on both sides of the boundary. The soil over the greywacke was notably more acid, had lower Mg/Ca quotients, and much lower nickel concentrations than the soil over serpentinized peridotite.

Keywords

Rain forestsserpentinesspecies diversityultrabasicultramafic
Type
Research Article
Information
Edinburgh Journal of Botany , Volume 57 , Issue 1 , March 2000 , pp. 121 - 139
Copyright
© 2000 Trustees of the Royal Botanic Garden, Edinburgh

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