1990～2008年湖北省耕地集约利用变化及空间分异分析

采用主成分分析和空间自相关分析的方法,研究1990～2008年湖北省17个地、市、州耕地集约度时空变化。结果表明,18年间湖北省耕地利用集约度总体上随时间呈波动上升趋势;在空间上存在关联性,表现为高高集聚、低低集聚和低高集聚的特征分异;因此,加大对湖北省耕地各要素的投入强度,以＂高＂促＂低＂,制定区域特色农业发展模式,提高耕地集约利用。

Cultivated Land Intensive Use Change and Spatial Differentiation Analysis in Hubei Province from 1990 to 2008

Temporal and spatial variation of cultivated land intensive use during 1990-2008 in 17 cities and states of Hubei Province were studied by adopting principal component analysis and spatial autocorrelation analysis method.The results indicate that cultivated land intensive use in Hubei Province shows fluctuating upward trend with time in 18 years;and in the space it shows correlation,displays for the characteristic differentiation which high-high gather,low-low gather and low-high gather;therefore,it should increase the investment of cultivated land in Hubei Province,by "high" to promote "low",formulate the regional characteristic agricultural development pattern to enhance the cultivated land intensive use.