湖北省粮食生产的时空特征演变研究——基于耕地因素分解的视角

doi:10.11870/cjlyzyyhj201609004

摘要/Abstract

摘要： “藏粮于地”是新时期保障我国粮食安全的重要战略。分析湖北省粮食生产的时空演变特征，运用LMDI方法对影响粮食产量的耕地利用因素进行分解。结果表明：湖北粮食生产正处于稳定增长时期，但其周期性波动特征并未改变，粮食产量大幅波动的可能性仍然存在；湖北省粮食生产具有明显的中间高，两边低的区位特征；单产提高与复种指数上升是粮食增产的主要因素，种植业结构调整与耕地资源减少导致了粮食减产；由于自然环境与社会经济发展差异，不同区域种植业结构调整的程度与方向、耕地资源的利用方式都不相同。加强耕地资源保护，确保耕地数量不减少，质量不降低；调整耕地利用方式，合理安排耕作制度，优化种植业结构和区域布局；推进农业科技创新，培养新型职业农民，建立稳定的粮食生产队伍是实施“藏粮于地，藏粮于技”战略的有效途径。

关键词: 粮食生产, 耕地因素, 时空特征, 湖北省

Abstract: "Storing grain on the ground" is an important strategy for grain security in the new era of China. To analyze spatiotemporal variations of grain production in Hubei Province, we used the LMDI approach and decomposed the factors of cultivated land use of grain production. The results showed that Hubei's grain production is in a stable growth period, but its cyclical characteristics hasn't changed and the possibility of harp fluctuations in grain production still exists; the geographical features of grain production in Hubei Province is that the grain production of Central Hubei is high,whereas that in the West and East is low; the increase of yield per hectare and multiple-cropping index is the major factor of the increase of grain production, while the adjustment of planting structure and the reduction of cultivated land resources led to the decrease of grain production. Because of the natural environment and socio-economic development differences, the degree and direction of the adjustment of planting structure and the cultivated land use patterns differs in different regions. Strengthen the protection of cultivated land resource, ensure that the quantity does not reduce and the quality does not decline; adjust cultivated land use patterns, arrange cropping reasonably, optimize planting structure and regional distribution; promote agricultural science and technology innovation, cultivate new occupation farmers, to establish a stable grain production team is an effective way to implement the strategy of "Storing grain on the ground, storing food in technology."

Key words: Grain production, Cultivated land use, Spatial and temporal characteristics, Hubei province

中图分类号:

F323.2

江松颖, 刘颖, 万晶. 湖北省粮食生产的时空特征演变研究——基于耕地因素分解的视角[J]. 长江流域资源与环境, 2016, 25(09): 1339-1346.

JIANG Song-ying, LIU Ying, WAN Jing. EVOLUTION OF TEMPORAL-SPATIAL CHARACTERISTICS OF GRAIN PRODUCTION IN HUBEI——FROM THE PERSPECTIVE OF FACTOC DECOMPOSITION OF CULTIVATED LAND USE[J]. RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN, 2016, 25(09): 1339-1346.

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