2000—2020年湖北省土地利用变化对植被覆盖度的影响
作者:
作者单位:

作者简介:

通讯作者:

中图分类号:

X32

基金项目:

中央高校基本科研业务费专项资金资助项目“湖北省退耕还林工程效益评估”(2662022ZHYJ004)


Impacts of Land Use Changes on Fractional Vegetation Coverage of Hubei Province from 2000 to 2020
Author:
Affiliation:

Fund Project:

  • 摘要
  • |
  • 图/表
  • |
  • 访问统计
  • |
  • 参考文献
  • |
  • 相似文献
  • |
  • 引证文献
  • |
  • 资源附件
  • |
  • 文章评论
    摘要:

    [目的] 土地利用及其对陆地生态系统的影响是当前全球变化研究的重要内容。科学分析土地利用变化对植被覆盖度的影响,促进社会经济与生态环境质量的协调发展及地区经济的平衡发展,为政府部门对区域生态保护和恢复管理提供借鉴和参考。[方法] 以湖北省为研究对象,利用2000,2020年2期Landsat遥感影像、土地利用遥感数据,利用遥感数据的空间处理、像元二分模型、土地利用转移矩阵等方法,分析研究湖北省植被覆盖的时空变化、土地利用类型变化特征及其对植被覆盖度的影响。[结果] ①2000-2020年,湖北省耕地、草地和未利用地面积减少,水域以及建设用地面积增加,林地面积基本保持不变,其面积大小顺序为:林地>耕地>水域>建设用地>草地>未利用地。②湖北省植被覆盖度平均值上升了6.50 %。林地、耕地、草地和未利用地的平均植被覆盖度均有所增加,建设用地的平均植被覆盖度有所降低。③湖北省植被覆盖度总体呈现增加的趋势。植被覆盖度增大的区域主要集中在湖北省的西部和东南部地区,局部地区也存在植被退化的区域,主要集中在湖北省中南部及襄阳北方部分区域。④不同土地利用类型FVC转移过程中,耕地较高植被覆盖与高植被覆盖之间的转移过程最为剧烈,林地不同等级植被覆盖的转移量占转移总量的47.87 %,草地不同水平植被覆盖度的转移量占转移总量比例较小,仅为3.40 %。[结论] 2000-2020年湖北省土地利用变化较大,不同土地利用类型的植被覆盖度相互转移,尤其是林地、耕地及草地的平均植被覆盖度均有所增加,使得湖北省近20 a来整体植被覆盖度呈现出上升趋势。

    Abstract:

    [Objective] The impacts of land use on terrestrial ecosystems are important for current global change research. The impacts of land use change on fractional vegetation coverage (FVC) were analyzed scientificaly to improve coordinated development of the social economy and ecological environmental quality while balancing development of the regional economy, in order to provide a reference for government departments to use in protecting and restoring regional ecological management.[Methods] Hubei Province was selected as the research area. Landsat remote sensing images and land use remote sensing data from 2000 and 2020 were obtained, and methods such as spatial processing of remote sensing data, a pixel binary model, and a land use transfer matrix were used. The temporal and spatial changes in FVC, land use type changes, and their effects on FVC in Hubei Province were analyzed.[Results] ① From 2000 to 2020, the area of cultivated land, grassland, and unused land in Hubei Province decreased, the area of water and construction land increased, and the area of forest land remained basically unchanged. The land use area sizes followed the order of forest land > cultivated land > water area > construction land > grassland > unused land; ② The average FVC in Hubei Province increased by 6.50 %. The average FVC of forest land, cultivated land, grassland, and unused land increased, while the average FVC of construction land decreased. ③ FVC in Hubei Province showed an overall increasing trend. The areas with increased FVC were mainly concentrated in the west and southeast parts of Hubei Province. Some areas also experienced vegetation degradation, mainly concentrated in the central and southern parts of Hubei Province and some areas in Northern Xiangyang. ④ During the FVC transfer process resulting from changes in land use types, the transfer process between higher FVC and high FVC areas of cultivated land was the most intense. The FVC transfer amount in forest land accounted for 47.87 % of the total transfer amount, while the FVC transfer amount for grassland accounted for only a small proportion of the total transfer amount (3.40 %).[Conclusion] Land use changes in Hubei Province were great from 2000 to 2020, resulting in an overall increase in FVC over time.

    参考文献
    相似文献
    引证文献
引用本文

荣维康,徐天乐,葛小东,穆晓雅,曾妍玉,曹聪格.2000—2020年湖北省土地利用变化对植被覆盖度的影响[J].水土保持通报,2024,44(1):238-246,283

复制
分享
文章指标
  • 点击次数:
  • 下载次数:
  • HTML阅读次数:
  • 引用次数:
历史
  • 收稿日期:2023-08-04
  • 最后修改日期:2023-09-13
  • 录用日期:
  • 在线发布日期: 2024-04-26
  • 出版日期: