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投稿e-mail: jbnuns_sub@bnu.edu.cn

主编e-mail: jbnuns_eic@bnu.edu.cn

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标题

北京奥后夏季农业景观的变化特征分析—— 以北京市大兴区、通州区为例

作者

窦莉莉 郑学昌 杨珺雯 张锦水 张群

机构

北京师范大学地表过程与资源生态国家重点实验室;北京师范大学资源学院;北京市统计局 国家统计局北京调查总队;北京天合数维科技有限公司

摘要

利用2009-2013年的HJ卫星影像资料为主要数据源,借用相关地理信息数据等资料,通过建立景观格局度量指标体系,对北京市大兴区和通州区两个重点农业大区耕地范围内夏季作物农业景观格局随时间演变特征进行定量分析。结果表明:2009-2013年(奥后),冬小麦面积不断下降,同时景观斑块受外界影响破碎化程度增大,斑块形状整体表现更加规则,农业斑块边界割裂的程度愈发明显,优势景观类型逐渐不再突出。两个区域内耕地土地利用类型及景观格局变化受社会经济因素影响较大,其中人口增加与经济发展,剧烈的城市化进程占用了大量郊区和农村的耕地,从而加剧耕地内景观格局愈发复杂、破碎;政府部门相关政策,如粮食直补、农业发展规划、平原造林工程等政策的出台,对农村产业结构产生强烈的影响;城市化与交通发展,均对耕地景观格局产生深刻影响,造成了农业景观格局朝破碎化、异质化和复杂化的方向发展.

关键词

农业景观;格局;大兴区;通州区;奥后

引用

窦莉莉, 郑学昌, 杨珺雯, 张锦水, 张群.北京奥后夏季农业景观的变化特征分析—— 以北京市大兴区、通州区为例 [J]. 北京师范大学学报(自然科学版),2015,51(Sup.1):100-106.

基金

国家自然科学基金资助项目(41301444);国家高分辨率对地观测重大专项基金资助项目(民用部分);北京高等学校“青年英才计划”基金资助 项目;北京市自然科学基金资助项目(8144052)

分类号

X43

DOI

10.16360/j.cnki.jbnuns.2015.s1.016

Title

Changes in Summer Agricultural Landscapes since The 2008 Beijing Summer Olympics: the Case of Daxing District and of Tongzhou District, Beijing

Author

DOU Lili, ZHENG Xuechang, YANG Junwen, ZHANG Jinshui, ZHANG Qun

Affiliations

State Key Laboratory of Earth Surface Processes and Resource Ecology (ESPRE);Resource college of Beijing Normal University;The Beijing municipal bureau of statistics,NBS survey office in Beijing;Beijing Thd-tech co.,LTD.

Abstract

HJ satellite image data from 2009 to 2013 and relevant geographic information data were used to establish an index system of landscape pattern metrics, for Daxing and Tongzhou districts, two key agricultural regions in Beijing. It was found that from 2009 to 2013 (after the Olympic Games), winter wheat area has continued to decline. Landscape fragmentation has increased due to external influence. The overall performance of patch shape has become more regular. Agricultural patch boundary separation degree has increased. Dominant landscape has gradually become less outstanding. Changes in land use type and landscape pattern within the two regions have been greatly influenced by social and economic factors. Population increase, economic development, dramatic urbanization have all taken up a large amount of cultivated land in suburban and rural areas, this has exacerbated the process of increasingly more complex and broken farmland landscape patterns. Government policies, such as direct subsidies for grain producers, agricultural development planning, and plain forestation project, have strongly influenced rural industrial structure. Urbanization and transportation development have had a profound impact on farmland landscape pattern, resulting in increasingly more fragmentation, heterogeneity and complexity in the agricultural landscape pattern.

Key words

agricultural landscape; pattern; Daxing District; Tongzhou District; The 2008 Beijing Summer Olympics

cite

DOU Lili, ZHENG Xuechang, YANG Junwen, ZHANG Jinshui, ZHANG Qun. Changes in Summer Agricultural Landscapes since The 2008 Beijing Summer Olympics: the Case of Daxing District and of Tongzhou District, Beijing [J]. Journal of Beijing Normal University(Natural Science),2015,51(Sup.1):100-106.

DOI

10.16360/j.cnki.jbnuns.2015.s1.016

Copyright © 2014 Journal of Beijing Normal University (Natural Science)
Designed by Mr. Sun Chumin. Email: cmsun@mail.bnu.edu.cn