中国主要生态地理区的林火动态特征分析

doi:10.11707/j.1001-7488.20150910

Abstract

Abstract:

[Objective] Fire is an important factor to drive the ecosystem development and change. Fire disturbance has influence on the patterns and processes vegetation dynamics. Fire regimes alter with changes in vegetation, climate and anthropogenic disturbance. Understanding the current fire regimes in ecological zones is the scientific basis for forest fire management. [Method] This paper divided the China mainland into eight regions based on the Eco-geographic classification system and the characteristics of forest fires, which arethe deciduous coniferous forest in the cold temperate humid region (R1), temperate humid forest zone (R2), temperate coniferous forest zone in arid desert region (R3), temperate grassland in semi-arid areas (R4), warm temperate moist/humid deciduous forests region (R5), temperate semi-arid/arid steppe region (R6), middle and north subtropical humid broadleaf forests and artificial vegetation region (R7), and south subtropical and tropical moist broadleaf forest and artificial vegetation region (R8), respectively. The spatial and temporal distribution of forest fires for each eco-geographical zones was analyzed according to the hotspot data from satellite monitoring and fire statistics in 2005-2012.[Result] The results showed that: The wildfires were mainly distributed in the eastern China, and those occurred in R8 accounted for 84.4% of the total. Wildfires in R1, R2, R3, R4, R5, R6 and R7 occupied 0.5%, 3.8%, 0.1%, 2.7%, 2.7%, 0.1%, and 5.8%, respectively. The fire seasons for each eco-geographical zone were defined based on the forest fire occurrence. The most forest fires occurred in spring and autumn in northern China, while they did in winter and spring for the south. The fire seasons for R1, R2, R3, R4, R5, R6, R7 and R8 were March-October, April-May and July-October, March-May and August-October, March-June and September-October, November-May, December-May, December-May, and November-May, respectively. Although more forest fires occurred in the tropical and sub-tropical moist regions, they were easy to be controlled. To the contrast, the wildfires occurred in the cold temperate humid region had a longer burning period than the fires in the south. The fire occurrences and burned areas for each eco-geographical zone showed significant volatility in 2005-2012. Human disturbance had a great impact on fire regimes, especially in southern China with high population density. The south subtropical and tropical moist broadleaf forest and artificial vegetation region had the highest fire frequency, and the average annual 6 489 fires with fire cycle of 4 547 years. While the fire frequency in the deciduous conifer forest region in the cold temperate humid region was 0.04 times·(10⁴ hm²)^-1, and the fire cycle 1 007 years was shortest. The fire regimes of the temperate humid forest zone and the temperate coniferous forest zone in arid desert region showed a similar tendency to that of the deciduous conifer forest region in the cold temperate humid region. The fire frequency in the warm temperate moist/humid deciduous forests region and the middle and north subtropical humid broadleaf forests and artificial vegetation region was 0.28 and 0.25 times·(10⁴ hm²)^-1, respectively. [Conclusion] The forest fires were mainly distributed in eastern China. The fire season occurred in the spring and autumn season in northern China, while it did in winter and spring for southern China. There was a high fire frequency in broad-leaved forest and artificial vegetation areas in tropical and subtropical humid region, and the shortest fire cycle in the deciduous coniferous forest in the cold temperate humid region.It is recommended to carry out a fuel management plan in accordance with the purpose of forest management and maintain the fire regime at a reasonable level for sustainable application of forest resources.

Key words: ecological zones, fire regime, fire season

CLC Number:

S762

Tian Xiaorui, Shu Lifu, Zhao Fengjun, Wang Mingyu. Dynamic Characteristics of Forest Fires in the Main Ecological Geographic Districts of China[J]. Scientia Silvae Sinicae, 2015, 51(9): 71-77.

References

陈宏伟, 胡远满, 常禹, 等. 2011. 呼中林区不同森林采伐方式对林火的长期影响模拟. 北京林业大学学报, 33(5): 13-19.
(Chen H W, Hu Y M, Chang Y, et al.2011. Simulating long-term effects of different harvesting modes on forest fire in Huzhong Forest Region, northeastern China. Journal of Beijing Forestry University, 33 (5): 13-19.[in chinese])
邓湘雯, 孙刚, 文定元. 2004. 林火对森林演替动态的影响及其应用. 中南林学院学报, 24(1): 51-55.
(Deng X W, Sun G, Wen D Y. 2004. The effects of forest fire on forest succession and its application to forest management. Journal of Central South Forestry University, 24(1): 51-55.[in chinese])
郭福涛, 胡海清, 马志海, 等. 2010. 不同模型对拟合大兴安岭林火发生与气象因素关系的适用性. 应用生态学报, 21(1): 159-164.
(Guo F T, Hu H Q, Ma Z H, et al.2010. Applicability of different models in simulating the relationships between forest fire occurrence and weather factors in Daxing'an Mountains. Chinese Journal of Applied Ecology, 21(1): 159-164.[in chinese])
郭慧, 王兵, 牛香. 2013.中国典型生态区划方案对比研究. 广东农业科学, (3):186-188.
(Guo H, Wang B, Niu X. 2013. Comparative studies on scheme of Chinese typical ecological regionalization.Guangdong Agricultural Sciences, (3):186-188.[in chinese])
胡海清.1996. 大兴安岭森林火动态的研究.哈尔滨: 东北林业大学博士学位论文.
(Hu H Q.1996. Study on the forest fire regimes in Greater Khingan Mountain. Harbin: PhD thesis of Northeast Forestry University.[in chinese])
胡海清, 金森. 2002. 黑龙江省林火规律研究Ⅱ:林火动态与格局影响因素的分析. 林业科学, 38(2): 98-102.
(Hu H Q, Jin S. 2002. Study on forest fire regime of Heilongjiang provinceⅡ.Analysis on factors affecting fire dynamics and distributions.Scientia Silvae Sinicae, 38(2): 98-102.[in chinese])
胡海清, 赵致奎, 王晓春, 等. 2010. 基于树轮火疤塔河蒙克山樟子松林火灾的频度分析. 生态学报, 30(23): 6372-6379.
(Hu H Q, Zhao Z K, Wang X C,et al.2011. Fire history of Mongolian pine (Pinus sylvestris var.
mongolica) forests in Mengkeshan of Tahe, China. Acta Ecologica Sinica, 30(23): 6372-6379.[in chinese])
刘志华, 杨健, 贺红士, 等. 2011. 黑龙江大兴安岭呼中林区火烧点格局分析及影响因素. 生态学报, 31(6): 1669-1677.
(Liu Z H, Yang J, He H S, et al. 2011. Spatial point analysis of fire occurrence and its influence factor in Huzhong forest area of the Great Xing'an Mountains in Heilongjiang Province,China. Acta Ecologica Sinica, 31(6): 1669-1677.[in chinese])
田晓瑞,舒立福,王明玉. 2005. 林火动态变化对中国东北地区森林生态系统的影响. 森林防火,(1):21-25.
(Tian X R, Shu L F, Wang M Y. 2005.Influences of fire regime changes on the forest ecosystem in northeast China.Forest Fire Prevention, (1):21-25.[in chinese])
吴绍洪,杨勤业,郑度. 2003. 生态地理区域系统的比较研究. 地理学报,58(5):686-694
(Wu S H, Yang Q Y, Zheng D. 2003.Comparative study on eco-geographic regional systems between China and USA.Acta Geographica Sinica, 58(5):686-694.[in chinese])
于成龙, 胡海清, 魏荣华. 2007. 大兴安岭塔河林业局林火动态气象条件分析. 东北林业大学学报, 35(8): 23-25.
(Yu C L, Hu H Q, Wei R H. 2007.Dynamic analysis of meteorological conditions of forest fire in Tahe forestry bureau of Daxing'an Mountains.Journal of Northeast Forestry University, 35(8): 23-25.[in chinese])
郑度.2008. 中国生态地理区域系统研究.北京:商务印书馆.
(Zheng D. 2008.The eco-geographic regional system in China. Beijing: The Commercial Press.[in chinese])
Agee J K, Skinner C N. 2005. Basic principles of forest fuel reduction treatments. Forest Ecology and Management, 211(1): 83-96.
Covington W W, Everett R L, Steele R, et al. 1994.Historical and anticipated changes in forest ecosystems of the inland west of the United States. Journal of Sustainable Forestry, 2(1/2): 13-63.
Dellasala D A, Williams J E, Williams C D, et al. 2004. Beyond smoke and mirrors: a synthesis of fire policy and science. Conservation Biology, 18(4): 976-986.
Mason G J, Baker T T, Cram D S, et al. 2007. Mechanical fuel treatment effects on fuel loads and indices of crown fire potential in a south central New Mexico dry mixed conifer forest. Forest Ecology and Management, 251(3): 195-204.
McIver J D, Stephens S L, Agee J K, et al. 2012. Ecological effects of alternative fuel-reduction treatments: highlights of the national fire and fire surrogate study (FFS). International Journal of Wildland Fire, 22(1):63-82.
Parry M L, Canziani O F, Palutikof J P, et al. 2007. Climate
change 2007: impacts, adaptation and vulnerability: working group II
contribution to the fourth assessment report of the IPCC intergovernmental panel on climate change. Cambridge:Cambridge University Press.
Schoennagel T, Veblen T T, Romme W H. 2004. The interaction of fire, fuels, and climate across Rocky Mountain forests.BioScience, 54(7): 661-676.
Whitlock C, Higuera P E, McWethy D B, et al. 2010. Paleoecological perspectives on fire ecology: revisiting the fire-regime concept. The Open Ecology Journal, 3(2): 6-23.

[1]	Tian Xiaorui;Shu Lifu;Zhao Fengjun;Wang Mingyu. Forest Fire Danger Changes for Southwest China under Future Scenarios [J]. Scientia Silvae Sinicae, 2012, 48(1): 121-125.
[2]	Zhao Fengjun;Shu Lifu;Di Xueying;Tian Xiaorui;Wang Mingyu. Changes in the Occurring Date of Forest Fires in the Inner Mongolia Daxinganling Forest Region Under Global Warming [J]. Scientia Silvae Sinicae, 2009, 12(6): 166-172.

Dynamic Characteristics of Forest Fires in the Main Ecological Geographic Districts of China

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