Conservation of tropical forest tree species in a native timber plantation landscape

Pryde, Elizabeth C, Holland, Greg J, Watson, Simon J, Turton, Stephen M and Nimmo, Dale G 2015, Conservation of tropical forest tree species in a native timber plantation landscape, Forest ecology and management, vol. 339, pp. 96-104, doi: 10.1016/j.foreco.2014.11.028.

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Title Conservation of tropical forest tree species in a native timber plantation landscape
Author(s) Pryde, Elizabeth C
Holland, Greg J
Watson, Simon J
Turton, Stephen M
Nimmo, Dale G
Journal name Forest ecology and management
Volume number 339
Start page 96
End page 104
Total pages 9
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2015-03-01
ISSN 0378-1127
Keyword(s) Native Eucalyptus plantation
Production landscape
Papua New Guinea
Dispersal mode
Successional stage
Summary Tropical terrestrial environments are becoming dominated by anthropogenic land-uses, making retention of biodiversity in production landscapes of critical conservation importance. Native timber plantations may represent a land-use capable of balancing production and conservation by potentially supporting understorey plant and tree species otherwise restricted to old-growth forests, with little impact on yield. In this study we investigated the conservation value of native plantation forests in the lowlands of New Britain, Papua New Guinea. We compared the composition of tree species (≥10. cm DBH) of unlogged forest to those of different aged native Eucalyptus deglupta plantations and intervening (historically logged) secondary forests. We found a high capacity for biodiversity conservation within plantations, with 70% of forest tree species persisting in mature plantations (13-15. years old). However, compositional analyses revealed lower numbers of large individuals (≥10. cm DBH) in both late-successional and non-vertebrate-dispersed species in the plantations, indicating the difficulty of retaining mature old-growth forest trees in production land-uses. Secondary forest protected by conservation reserves was compositionally indistinct to unlogged forest. Our results demonstrate the potential for tropical native timber plantations to contribute to the retention of biodiversity. However, appropriate management is required to ensure the persistence of source populations of old-growth forest tree species. With careful planning a balance between production and conservation can be achieved in lowland tropical regions.
Language eng
DOI 10.1016/j.foreco.2014.11.028
Field of Research 050202 Conservation and Biodiversity
Socio Economic Objective 960806 Forest and Woodlands Flora
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2015, Elsevier
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