globalchange  > 气候减缓与适应
DOI: 10.1016/j.foreco.2018.11.041
WOS记录号: WOS:000456902500054
论文题名:
Temperature and agriculture are largely associated with fire activity in Central Chile across different temporal periods
作者: Gomez-Gonzalez, Susana1,2; Gonzalez, Mauro E.1,3; Paula, Susana4; Diaz-Hormazabal, Ignacio5; Lara, Antonio1,3; Delgado-Baquerizo, Manuel6,7
通讯作者: Gomez-Gonzalez, Susana
刊名: FOREST ECOLOGY AND MANAGEMENT
ISSN: 0378-1127
EISSN: 1872-7042
出版年: 2019
卷: 433, 页码:535-543
语种: 英语
英文关键词: Drought ; Human impact ; Land use change ; Mediterranean-type climate ; Topography ; Wildfires
WOS关键词: CLIMATE-CHANGE ; LAND-USE ; HETEROGENEITY ; WILDFIRES ; DRIVERS ; IMPACTS ; REGIME
WOS学科分类: Forestry
WOS研究方向: Forestry
英文摘要:

Wildfires have important ecological and socio-economic implications worldwide. Identifying the major ecological drivers regulating fire activity across space and time is critical to formulating sustainable policies of landscape planning and management under global change scenarios. However, large scale studies quantifying the relative importance of relevant fire drivers across different time periods are largely lacking. We conducted a high-resolution spatial survey in Central Chile and used structural equation models (SEMs) to evaluate the direct and indirect effects of climate, human impact, land uses, and topography on the number of fires and burned area across two distinct periods of time (2000-2005 and 2011-2016). Mean temperature and agricultural use had the highest direct positive effect on the number of fires and burned area in the two studied periods, and thus were the major ecological predictors of fire activity. Human impact was also an important predictor of fire attributes. Topography had multiple indirect effects on fire activity by regulating land use, temperature, and human impact, but direct effects were negligible. Precipitation seasonality, drought and aridity indexes, native forests, and plantations, were less relevant predictors of fire activity. Even so, our SEMs suggested that areas dominated by native forests tended to have lower number of fires than those covered by croplands or plantations. Our results suggest that fire activity in Central Chile will be highly sensitive to increases in human pressure, land use change and warming by climate change. Because the relative importance of the predictors of fire activity was steady over time, the knowledge derived from this study provides critical insights for preventive fire management and landscape planning. The control of stubble burning, native forest restoration and sustainable forestry management could improve social adaptation to a fire-prone future.


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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/129927
Appears in Collections:气候减缓与适应

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作者单位: 1.Ctr Climate & Resilience Res CR2, Santiago, Chile
2.Univ Cadiz, Dept Biol IVAGRO, Fac Ciencias Mar & Ambientales, Puerto Real 11510, Spain
3.Univ Austral Chile, Fac Ciencias Forestales & Recursos Nat, Inst Conservac Biodiversidad & Terr, Valdivia, Chile
4.Univ Austral Chile, Inst Ciencias Ambientales & Evolut, Valdivia, Chile
5.Corp Nacl Forestal, Dept Planificac & Desarrollo, Santiago, Chile
6.Univ Colorado, Cooperat Inst Res Environm Sci, Boulder, CO 80309 USA
7.Univ Western Sydney, Hawkesbury Inst Environm, Penrith, NSW, Australia

Recommended Citation:
Gomez-Gonzalez, Susana,Gonzalez, Mauro E.,Paula, Susana,et al. Temperature and agriculture are largely associated with fire activity in Central Chile across different temporal periods[J]. FOREST ECOLOGY AND MANAGEMENT,2019-01-01,433:535-543
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