基于景观生态学视角下的庄浪县园地景观时空变化
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摘要
基于1997、2008、2017年3期Landsat ETM遥感影像和DEM数据,基于ENVI软件计算机自动和目视解译识别获取庄浪县苹果园地地块,利用ArcGIS空间分析和Fragstats景观指数相结合分析方法,研究庄浪县1997-2017年苹果园地的时空变化特征,分析社会经济因素对苹果园地变化的驱动作用.结果表明:时间变化上,苹果园地面积近20 a内呈增长趋势, 2009-2017年的增长比1997-2008年的更显著;空间变化上,苹果种植区随时间的推移在高程上逐渐由低海拔向高海拔扩展,在坡度上由平坡向缓中坡扩展,在坡向上向南坡和东南坡扩展;驱动因素上,庄浪县苹果园地时空变化的驱动力主要是经济发展,尤其是农业从业人口的变化和农业发展资源的迁移.
Based on the three phases of remote sensing imagery and DEM digital elevation data from1997, 2008 and 2017, obtained the map layers of apple orchards by automatic and visual interpretation identification under ENVI, combined with ArcGIS spatial analysis and Fragstats landscape index analysis method, the spatial-temporal changes of orchards in Zhuanglang County were studied, the driving forces behind socio-economic changes related to apple orchards were analyzed. The results showed that the area of apple orchards showed an increasing trend in the recent 20 years, the increase in 2009-2017 was more significant than that of 1997-2008. The apple growing space changes with the increase of the year,the planting area gradually expanded from a lower to higher altitude, extended from flat slopes to moderate slopes, to southern and southeastern slope. The driving forces behind spatio-temporal changes in apple orchards in Zhuanglang County were mainly economic development, changing population employed by agriculture, resources available for agricultural development.
Based on the three phases of remote sensing imagery and DEM digital elevation data from1997, 2008 and 2017, obtained the map layers of apple orchards by automatic and visual interpretation identification under ENVI, combined with ArcGIS spatial analysis and Fragstats landscape index analysis method, the spatial-temporal changes of orchards in Zhuanglang County were studied, the driving forces behind socio-economic changes related to apple orchards were analyzed. The results showed that the area of apple orchards showed an increasing trend in the recent 20 years, the increase in 2009-2017 was more significant than that of 1997-2008. The apple growing space changes with the increase of the year,the planting area gradually expanded from a lower to higher altitude, extended from flat slopes to moderate slopes, to southern and southeastern slope. The driving forces behind spatio-temporal changes in apple orchards in Zhuanglang County were mainly economic development, changing population employed by agriculture, resources available for agricultural development.
引文
[1]刘维,刘天军,董子铭.我国苹果生产布局时空演变分析[J].广西农业科学, 2013, 40(8):207-209.
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[23]张霞,魏朝富,倪九派,等.重庆市低山丘陵区农村居民点分布格局及其影响因素[J].中国农业资源与区划, 2012, 33(3):45-57.
[24]周亚东,周兆德.基于GIS与Fragstats的海南岛森林景观格局研究[J].中南林业科技大学学报, 2015, 35(5):78-83.
[25]李晨曦,陈兴鹏,贾卓,等.兰州市规模以上工业企业空间分布特征[J].兰州大学学报:自然科学版, 2018,44(2):149-154.
[26]黄端,李仁东,邱娟,等.武汉城市圈土地利用时空变化及政策驱动因素分析[J].地球信息科学学报, 2017,19(1):80-90.
[2]白秀广,李纪生,崔学喜.气候变化与中国苹果主产区空间变迁[J].经济地理, 2015, 35(6):130-137.
[3]王彩峰,史建民.山东省苹果种植面积的时空演变特征分析[J].中国农业资源与区划, 2017, 38(12):170-177.
[4]刘天军,范英.中国苹果主产区生产布局变迁及影响因素分析[J].农业经济问题, 2012(10):36-42.
[5]王伟新,向云,祁春节.中国水果产业地理集聚研究:时空特征与影响因素[J].经济地理, 2013, 33(8):97-103.
[6]蒲金涌,姚小英.西北旱作区苹果水分适宜性:以天水为例[J].生态学杂志, 2010, 29(10):1957-1961.
[7]李星敏,柏秦风,朱琳.气候变化对陕西苹果生长适宜性影响[J].应用气象学报, 2011, 22(2):241-248.
[8]朱琳,郭兆夏,李怀川,等.陕西省富士系苹果品质形成气候条件分析及区划[J].中国农业气象, 2001, 22(4):50-53.
[9]刘军弟,霍学喜,韩明玉,等.中国苹果产业发展现状及趋势分析[J].北方园艺, 2012(20):164-168.
[10]王辉.庄浪县苹果产业发展现状和趋势及面临的问题浅析[D].兰州:兰州大学资源环境学院, 2018.
[11]杨易,陈瑞剑.中国苹果生产成本收益现状与趋势[J].农业生产展望, 2012(12):29-32.
[12] Adrian C N, Ross H, Cristian E, et al. Remote sensing and the future of landscape ecology[J]. Progress in Physical Geography, 2009, 33(4):528-546.
[13] Alex M, Karin J R, Wang Yan, et al. Interactions between landcover pattern and geospatial processing methods:effects on landscape metrics and classification accuracy[J]. Ecological Complexity, 2013, 15:71-82.
[14] O'Neill R V, Riitters K H, Wickham J D, et al. Landscape pattern metrics and regional assessment[J]. Ecosystem Hearth, 1999, 5(4):225-233.
[15]张飞,塔西甫拉提·特依拜,丁建丽,等.干旱区绿洲土地利用覆被及景观格局变化特征[J].生态学报,2009, 29(3):1251-1262.
[16]朱明,濮励杰,李建龙.遥感影像空间分辨率及粒度变化对城市景观格局分析的影响[J].生态学报, 2008,28(6):2753-2763.
[17]赵锐锋,姜朋辉,赵海莉,等.黑河中游湿地景观破碎化过程及其驱动力分析[J].生态学报, 2013, 33(14):4436-4449.
[18]董小俊.南方红壤区森林景观格局分布和优化研究:以赣江流域为例[D].北京:首都师范大学资源环境与旅游学院, 2014.
[19]秦剑英.安泽县王村河流域耕地景观及其影响因素分析[D].太原:山西师范大学地理科学学院, 2017.
[20]刘立国,王群.我国土地利用现状分类标准修订研究[J].国土资源情报, 2016(7):28-34.
[21]邬建国.景观生态学:格局、过程、尺度与等级[M].第2版.北京:高等教育出版社, 2009.
[22]肖笃宁.景观生态学理论、方法及应用[M].北京:中国林业出版社, 1991:207-245.
[23]张霞,魏朝富,倪九派,等.重庆市低山丘陵区农村居民点分布格局及其影响因素[J].中国农业资源与区划, 2012, 33(3):45-57.
[24]周亚东,周兆德.基于GIS与Fragstats的海南岛森林景观格局研究[J].中南林业科技大学学报, 2015, 35(5):78-83.
[25]李晨曦,陈兴鹏,贾卓,等.兰州市规模以上工业企业空间分布特征[J].兰州大学学报:自然科学版, 2018,44(2):149-154.
[26]黄端,李仁东,邱娟,等.武汉城市圈土地利用时空变化及政策驱动因素分析[J].地球信息科学学报, 2017,19(1):80-90.