The Influence of Land Use on the Grassland Fire Occurrence in the Northeastern Inner Mongolia Autonomous Region, China.
The Influence of Land Use on the Grassland Fire Occurrence in the Northeastern Inner Mongolia Autonomous Region, China.
复制标题
内蒙古自治区东北部土地利用对草原火灾的影响
DOI：
10.3390/s17030437
复制
发表时间：
2017-02-23
期刊：
影响因子：
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通讯作者：
Yang J
中科院分区：
文献类型：
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作者：
Li Y;Zhao J;Guo X;Zhang Z;Tan G;Yang J
草原是地球上最重要的生态系统之一，火灾对当地的生态、经济和社会都有影响。值得注意的是，中国东北地区每年都频繁发生草原火灾。火灾的发生是一个复杂的问题，有自然因素、人类活动和土地利用等多种原因。本文对内蒙古自治区东北部草原火灾的破坏效应进行了研究。在这项研究中，我们依靠中分辨率成像光谱仪（MODIS）传感器的热异常探测来识别火灾发生，土地利用数据由Landsat Thematic Mapper/Enhanced Thematic Mapper （TM/ETM）获取。探讨了土地利用与草地火灾空间分布的关系。结果表明，土地利用方式对草地火灾的影响显著。在空间上，约80%的草地火灾集中在耕地10公里范围内，草地火灾一般发生在人类活动强烈的地区。2000年、2005年和2010年草地火灾空间分布与土地利用程度的相关性较高，R2分别为0.686、0.716和0.633 （p < 0.01）。这些结果突出了内蒙古东北部土地利用与草地火灾发生关系的重要性。本研究对当地火灾管理和预防具有一定的指导意义。
Grassland, as one of the most important ecosystems on Earth, experiences fires that affect the local ecology, economy and society. Notably, grassland fires occur frequently each year in northeastern China. Fire occurrence is a complex problem with multiple causes, such as natural factors, human activities and land use. This paper investigates the disruptive effects of grassland fire in the northeastern Inner Mongolia Autonomous Region of China. In this study, we relied on thermal anomaly detection from the Moderate Resolution Imaging Spectroradiometer (MODIS) sensor to identify fire occurrences, and land use data were acquired by Landsat Thematic Mapper/Enhanced Thematic Mapper (TM/ETM). We discussed the relationship between land use and the spatial distribution of grassland fires. The results showed that the impact of land use on grassland fires was significant. Spatially, approximately 80% of grassland fires were clustered within 10 km of cultivated land, and grassland fires generally occurred in areas of intense human activity. The correlation between the spatial distribution of grassland fires and the land use degree in 2000, 2005 and 2010 was high, with R2 values of 0.686, 0.716, 0.633, respectively (p < 0.01). These results highlight the importance of the relationship between land use and grassland fire occurrence in the northeastern Inner Mongolia Autonomous Region. This study provides significance for local fire management and prevention.