Arid
DOI10.1111/jvs.12212
Native and exotic plant species respond differently to wildfire and prescribed fire as revealed by meta-analysis
Alba, Christina1; Skalova, Hana1; McGregor, Kirsty F.1,2; D’Antonio, Carla3; Pysek, Petr1,2
通讯作者Alba, Christina
来源期刊JOURNAL OF VEGETATION SCIENCE
ISSN1100-9233
EISSN1654-1103
出版年2015
卷号26期号:1页码:102-113
英文摘要

QuestionsWildfire is a natural disturbance that shapes vegetation characteristics worldwide, while prescribed fire is increasingly used to modify vegetation composition and structure. Due to invasion of many ecosystems by exotic species, a concern of land managers is whether wildfire and prescribed fire alter plant communities in favour of exotics. We assessed the global literature describing community-level responses of native and exotic species groups to wildfire and prescribed fire and characterized the geographic and temporal scope of the data to inform research needs.


LocationPredominantly the United States of America and Australia.


MethodsWe used meta-analysis to (1) test whether native and exotic species composition (richness or diversity) and performance (cover, density and biomass) differ in response to wildfire and prescribed fire, and (2) assess how the composition and performance of these species groups vary with time elapsed since fire and habitat types.


ResultsMost community-level research on how native and exotic species respond to fire has been conducted in the US and Australia, typically over short time scales, and with a focus on temperate forest and grassland ecosystems. Prescribed fire benefited native composition over short time scales (<1yr) but, on average, had no effect on native performance, nor on exotic composition or performance. In contrast, wildfire consistently enhanced exotic composition and performance over all time scales, while having no effect on native species composition and significantly reducing native performance. Additionally, responses varied by habitat: native species groups responded positively to prescribed fire in heathlands and to a lesser extent in temperate grasslands, while responding negatively to wildfire in arid shrublands and heathlands, and to a more modest degree in tropical savannas. Exotic species groups responded positively to wildfire in arid shrublands, temperate forests and heathlands.


ConclusionsThis quantitative assessment of the literature revealed strong evidence for a positive response of exotics to wildfire, coupled with a striking near-absence of negative responses. The assessment additionally suggests that while prescribed fire does benefit native composition, on average, it does not appear to greatly facilitate native performance; however site-specific variation in how communities responded to fire was pronounced, underscoring the importance of local assessments in determining mechanistic drivers and management policy.


英文关键词Biological invasion Disturbance regime Fire management Plant community Plant performance Resource availability Ruderal Species richness
类型Article
语种英语
国家Czech Republic ; USA
收录类别SCI-E
WOS记录号WOS:000345704700012
WOS关键词PONDEROSA PINE FORESTS ; POSTFIRE REGENERATION ; VEGETATION ; INVASIONS ; COMPETITION ; DIVERSITY ; COMMUNITY ; PATTERNS ; GRASSES ; RESTORATION
WOS类目Plant Sciences ; Ecology ; Forestry
WOS研究方向Plant Sciences ; Environmental Sciences & Ecology ; Forestry
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/189031
作者单位1.Acad Sci Czech Republ, Inst Bot, CS-25243 Pruhonice, Czech Republic;
2.Charles Univ Prague, Fac Sci, Dept Ecol, Prague, Czech Republic;
3.Univ Calif Santa Barbara, Dept Ecol Evolut & Marine Biol, Santa Barbara, CA 93106 USA
推荐引用方式
GB/T 7714
Alba, Christina,Skalova, Hana,McGregor, Kirsty F.,et al. Native and exotic plant species respond differently to wildfire and prescribed fire as revealed by meta-analysis[J],2015,26(1):102-113.
APA Alba, Christina,Skalova, Hana,McGregor, Kirsty F.,D’Antonio, Carla,&Pysek, Petr.(2015).Native and exotic plant species respond differently to wildfire and prescribed fire as revealed by meta-analysis.JOURNAL OF VEGETATION SCIENCE,26(1),102-113.
MLA Alba, Christina,et al."Native and exotic plant species respond differently to wildfire and prescribed fire as revealed by meta-analysis".JOURNAL OF VEGETATION SCIENCE 26.1(2015):102-113.
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