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Title: Fire response syndromes of shrubs in grassy woodlands in the New England Tableland Bioregion
Contributor(s): Knox, Kirsten Janet  (author); Clarke, Peter John  (author)
Publication Date: 2004
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Abstract: In fire-prone grassy woodlands, fire response and time to reach reproductive maturity are two traits that can be used to provide an indication of the minimum interval between fires needed to maintain biodiversity. This study examined the effects of fire intensity and adult size on shrub mortality together with the primary and secondary juvenile periods of shrub species in the New England Tableland (NET) Bioregion. Most shrub species resprouted via basal lignotubers following fire, irrespective of fire intensity and shrub size. The primary juvenile period of most species was found to be greater than four years and the secondary juvenile period for most resprouting species was less than four years. These results suggest that a minimal interval between fires of eight years may be needed to maintain shrub species in grassy woodlands in the NET Bioregion, and that repeated fires at intervals of less than 8 years should be avoided. The time taken for shrubs in the grassy woodlands of the NET Bioregion to reach reproductive maturity appears to be longer than conspecifics in other Bioregions. Caution is needed when using data collected from outside a Bioregion to determine minimum fire frequency thresholds.
Publication Type: Journal Article
Source of Publication: Cunninghamia, 8(3), p. 348-353
Publisher: National Herbarium of New South Wales, Royal Botanic Gardens
Place of Publication: Sydney, Australia
ISSN: 0727-9620
Field of Research (FOR): 060799 Plant Biology not elsewhere classified
Socio-Economic Objective (SEO): 960806 Forest and Woodlands Flora, Fauna and Biodiversity
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
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