Impact of early and late dry-season fires on plant mortality and seed banks within riparian and subriparian infestations of rubber vine (Cryptostegia grandiflora)

Bebawi, F. F. and Campbell, S. D. (2002) Impact of early and late dry-season fires on plant mortality and seed banks within riparian and subriparian infestations of rubber vine (Cryptostegia grandiflora). Australian Journal of Experimental Agriculture, 42 1: 43-48. doi:10.1071/EA01047


Author Bebawi, F. F.
Campbell, S. D.
Title Impact of early and late dry-season fires on plant mortality and seed banks within riparian and subriparian infestations of rubber vine (Cryptostegia grandiflora)
Formatted title
Impact of early and late dry-season fires on plant mortality and seed banks within riparian and subriparian infestations of rubber vine (Cryptostegia grandiflora)
Journal name Australian Journal of Experimental Agriculture   Check publisher's open access policy
ISSN 0816-1089
1836-0939
1836-5787
Publication date 2002-02-14
Year available 2002
Sub-type Article (original research)
DOI 10.1071/EA01047
Open Access Status Not yet assessed
Volume 42
Issue 1
Start page 43
End page 48
Total pages 6
Place of publication Clayton, VIC, Australia
Publisher C S I R O Publishing
Language eng
Formatted abstract
This study compared the efficacy of first and second fires applied during the early (August-September) and late dry season (October-November) on mortality of riparian (climbing) and subriparian (freestanding) infestations of rubber vine (Cryptostegia grandiflora R. Br.). The impact of fire treatments on germinable seed banks of monocotyledonous and dicotyledonous species was also determined. Individually, fire season, habitat type and number of fires significantly affected mortality of rubber vine plants. Late-season fires promoted higher mortality of rubber vine (96%) than early season fires (77%), with rubber vine in subriparian habitats more susceptible (90% mortality) than that growing in riparian areas (68% mortality). On average, fire mortality increased from 32% after the first fire up to 86% following 2 fires. Sensitivity of juvenile, mature, and old rubber vine plants to fire was in the order of mature>juvenile>old. Early fires significantly reduced seed banks of monocotyledonous plants, particularly in riparian habitats. Late fires significantly reduced seed banks of both dicotyledonous and monocotyledonous plants. No rubber vine seeds were detected in the germinable seed bank of either burnt or unburnt plots.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Agriculture and Food Sciences
 
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