Will Acacia secondary forest become rainforest in the Australian wet tropics?

Yeo, W. L. J. and Fensham, R. J. (2014) Will Acacia secondary forest become rainforest in the Australian wet tropics?. Forest Ecology and Management, 331 208-217. doi:10.1016/j.foreco.2014.08.015

Author Yeo, W. L. J.
Fensham, R. J.
Title Will Acacia secondary forest become rainforest in the Australian wet tropics?
Journal name Forest Ecology and Management   Check publisher's open access policy
ISSN 0378-1127
Publication date 2014-11-01
Year available 2014
Sub-type Article (original research)
DOI 10.1016/j.foreco.2014.08.015
Volume 331
Start page 208
End page 217
Total pages 10
Place of publication Amsterdam, The Netherlands
Publisher Elsevier
Language eng
Formatted abstract
Fragmentation presents a threat to tropical forest biodiversity and restoration can be expensive. Secondary forests regenerating on abandoned pasture are widespread, represent an opportunity to restore rainforest at minimal management cost, but can become arrested in a state dominated by a single tree species. Species richness and diversity was assessed from 26 sites in Acacia secondary forests in the Australian Wet Tropics of varying age since abandonment and the influence of rainfall and soils, and the context of remnant mature forest on succession were assessed. Stand structure indicated a lack of Acacia recruitment. Late successional species richness and diversity increased with age indicating recruitment under the Acacia canopy. The species richness of late successional tree species with fruit size 10 mm or larger also displayed an increasing trend with age, although it was statistically not significant. Forest succession progresses in Acacia secondary forest and large seeded tree species are able to recruit. The enhancement of rainforest succession with fertile geology, increased rainfall or with more remnant forest in the vicinity was not evident in this study. Secondary forest even when dominated by a single species, particularly a nitrogen fixing legume, represents a viable means of tropical forest restoration provided there is sufficient mature forest in the region to act as a seed source.
Keyword Arrested succession
Mono dominant forest
Old fields
Secondary forest
Wet Tropics
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2015 Collection
School of Biological Sciences Publications
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