摘要
为了深入了解山西省秸秆资源数量及时空分布特征,在已有研究的基础上,基于《山西省统计年鉴》,对1980—2013年山西省田间秸秆资源量进行了系统、全面的分析和估算,并利用Arc GIS 9.3软件,对其时空分布进行了分析。结果表明,1980—2013年,山西省农作物秸秆产量虽然不稳定,但总体上呈波动上升趋势,到2013年达到1 620.03万t,秸秆资源化利用前景大;1980—2013年,秸秆资源量的变化大致分为缓慢上升、平缓波动和快速增长3个阶段;各地区农作物秸秆量、玉米秸秆量、小麦秸秆量及单位播种面积秸秆量的空间分布均表现出不均衡性,且不均衡性随着时间变化表现得越来越明显。该研究对山西省秸秆的资源化利用有较大的现实意义。
To know the space-time distribution characteristics and the quantity of straw resources deeply, it experiences a system- atical, overall analysis and estimate from 1980 to 2013, which is based on the Statistics Year Report of Shanxi Province and given re- search. Besides, it also employs a software ArcGIS 9.3 to analyze its spatial and temporal distribution. The result shows that the total amount of straw in Shanxi province fluctuates, but represents a fluctuant increase trend as a whole. Until 2013, it has reached 16.200 3 million ton, resourcing utilization of crop straw has broad prospects. From 1980 to 2013, straw resources change is roughly divided into three phases： the slowly rising, the gentle fluctuations and the rapid growth. Spatial distributions of total crop straw yield, the maize straw, the wheat straw and yield per unit area sown straw show the imbalance, and the imbalanced performance is more and more apparent over time. The research of straw utilization in Shanxi province has great practical significance.
出处
《山西农业科学》
2015年第11期1458-1463,共6页
Journal of Shanxi Agricultural Sciences
基金
国家公益性行业(农业)科研专项经费(201203030-08)
山西省留办科研资助项目(2013-149)
山西省科技攻关项目(20150311016-1)
关键词
农作物秸秆资源
时空分布
草谷比
山西
crop straw resources
spatial and temporal distribution
ratio of straw to grain
Shanxi
