Temporal and Spatial Characteristics of Dominant Transformation of Cultivated Land Use in Henan Province from 2000 to 2020

HuangJunchang; Hua Xuanke; Jia Mengyao; Yue Shuaijun

doi:10.13961/j.cnki.stbctb.20231207.001

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Temporal and Spatial Characteristics of Dominant Transformation of Cultivated Land Use in Henan Province from 2000 to 2020

- Temporal and Spatial Characteristics of Dominant Transformation of Cultivated Land Use in Henan Province from 2000 to 2020
- Bulletin of Soiland Water Conservation Vol. 43, Issue 1, Pages: 206-213(2023)
- 作者机构：
  
  1. 河南农业大学资源与环境学院,河南,郑州,450046
  2. 河南农业大学经济与管理学院,河南,郑州,450046
  3. 河南省土地整治与生态重建工程技术研究中心,河南,郑州,450046
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.20231207.001
  CLC： F301.21
- Published：2023
- 稿件说明：
移动端阅览
HuangJunchang, Hua Xuanke, Jia Mengyao, et al. Temporal and Spatial Characteristics of Dominant Transformation of Cultivated Land Use in Henan Province from 2000 to 2020[J]. Bulletin of Soiland Water Conservation, 2023, 43(1): 206-213.
DOI：

HuangJunchang, Hua Xuanke, Jia Mengyao, et al. Temporal and Spatial Characteristics of Dominant Transformation of Cultivated Land Use in Henan Province from 2000 to 2020[J]. Bulletin of Soiland Water Conservation, 2023, 43(1): 206-213. DOI： 10.13961/j.cnki.stbctb.20231207.001.

摘要

[目的

]

研究河南省耕地利用显性转型时空特征，为北方集约粮食主产区耕地合理优化配置和可持续利用提供科学依据。[方法

]

基于2000—2020年5期Landsat TM影像解译数据，构建耕地利用变化贡献度、幅度、速度模型，从显性视角定量刻画耕地数量形态和空间形态时空变化特征，并借助“3S”手段予以空间可视化。[结果

]

①2000—2020年河南省耕地利用转型数量形态经历了剧烈的转型过程，耕地净减少量为5 609.93 km

，减少幅度达22.78%。 ②分阶段而言，2015—2020年河南省耕地利用转型数量变化幅度最大。 ③耕地空间形态上整体呈现以郑州为中心向外扩散的分布特征；豫中片区耕地利用转型幅度变化最大，豫西片区耕地利用转型幅度变化最小，豫北、豫南和豫东片区变化适中。[结论

]

2000—2020年河南省耕地利用显性转型时空特征存在明显的规律性差异，需要重点关注耕地利用转型数量和豫中片区耕地利用转型幅度。

Abstract

[Objective] The temporal and spatial characteristics of the dominant transformation of cultivated land use in Henan Province was analyzed in order to provide a scientific basis for the rational and optimal allocation and sustainable utilization of cultivated land in the main intensive grain producing areas in the north. [Methods] We interpreted data from five Landsat TM images from 2000 to 2020 to construct contribution degree

range

and speed models of cultivated land use change. Temporal and spatial change characteristics of cultivated land quantity and spatial form were quantitatively described from the dominant perspective. Spatial visualization was carried out with the help of “3S” means. [Results] ① From 2000 to 2020

the quantity and form of cultivated land use transformation in Henan Province experienced a drastic transformation process. The net decrease in cultivated land was 5 609.93 km2

a decrease of 22.78%. ② The change range of cultivated land use transformation in Henan Province was the greatest from 2015 to 2020. ③ The spatial form of cultivated land presented a distribution characteristic of outward diffusion with Zhengzhou City as the center. The greatest change in cultivated land use was observed in Central Henan Province

with the least change in Western Henan Province. Changes in Northern

Southern

and Eastern Henan Province were characterized as moderate. [Conclusion] The spatio-temporal characteristics of the explicit transformation of cultivated land use in Henan Province from 2000 to 2020 had obvious consistent differences. Greater attention must be given to the quantity of cultivated land use transformation and the range of cultivated land use transformation in the Central Henan Province.

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