New Zealand Journal of Botany abstracts

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Growth and survival of Dysoxylum spectabile (Meliaceae) seedlings in canopy gaps

Christopher E. Buddenhagen

Department of Conservation
Science Technology and Information Services
P.O. Box 10 420
Wellington, New Zealand

Present address: Estación Científica Charles Darwin, Puerto Ayora, Galápagos, Ecuador.
Email: chrisb@fcdarwin.org.ec

John Ogden

School of Environmental and Marine Sciences
The University of Auckland
Private Bag 92019
Auckland, New Zealand

Abstract   Growth and survival of kohekohe (Dysoxylum spectabile) seedlings planted in forest gaps and in non-gap micro-environments were monitored in Kauaeranga valley, near Thames, New Zealand. Seedlings in gaps and on gap edges grew faster than seedlings in darker forest environments. Seedlings protected from vertebrate browsing (mostly possum) grew faster and survived better than unprotected seedlings. Although browse appeared to be the primary cause of mortality, disease and damage from falling debris were also significant.

Keywords  Dysoxylum spectabile; seedlings; browsers; canopy gaps

B02034 Received 22 April 2002; accepted 16 September 2002; published 31 March 2003
New Zealand Journal of Botany, 2003, Vol. 41: 179-183
0028-825X/03/4101-0179 $7.00 © The Royal Society of New Zealand 2003

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