丹江口水库库周景观格局动态变化分析
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摘要
运用ENVI5.0软件对丹江口水库区域1987年、1997年、2007年、2017年4个时期的遥感影像进行土地利用分类,通过景观格局指数研究分析景观格局的动态变化特征。研究结果表明:在研究期内,受人类活动和政府政策影响,丹江口水库库周耕地面积波动幅度较大,裸地面积出现了大幅度下降,林草地、水域和建设用地面积增加;在经济建设和人类活动影响下,景观的空间格局指数变化较明显,丹江口水库及周边区域的整体景观形状趋于复杂化,各类土地利用类型的破碎化程度提高;政府政策和水库蓄水是丹江口水库库周景观格局变化的重要驱动力。
The information about landscape features of Danjiangkou Reservoir area in 1987,1997, 2007 and 2017 were extracted respectively based on remote sensing images and by remote sensing(RS) software ENVI5.0. The dynamic change characteristics of landscape pattern were analyzed by means of landscape pattern index. The results show that on the class level, the arable land area of Danjiangkou Reservoir fluctuates greatly under the influence of human activities and government policies. The biggest changing amount and the fastest rate of change is arable land, the area of bared land declined significantly and the areas of green land, water and construction land are increased. Under the influence of economic construction and human activities, the spatial pattern index of landscape changes significantly, the overall landscape shape of Danjiangkou Reservoir and surrounding areas tends to be complicated and the degree of fragmentation of various land use types is increased. Government policy and reservoir storage are important driving factors for the change of surrounding landscape pattern of Danjiangkou Reservoir.
The information about landscape features of Danjiangkou Reservoir area in 1987,1997, 2007 and 2017 were extracted respectively based on remote sensing images and by remote sensing(RS) software ENVI5.0. The dynamic change characteristics of landscape pattern were analyzed by means of landscape pattern index. The results show that on the class level, the arable land area of Danjiangkou Reservoir fluctuates greatly under the influence of human activities and government policies. The biggest changing amount and the fastest rate of change is arable land, the area of bared land declined significantly and the areas of green land, water and construction land are increased. Under the influence of economic construction and human activities, the spatial pattern index of landscape changes significantly, the overall landscape shape of Danjiangkou Reservoir and surrounding areas tends to be complicated and the degree of fragmentation of various land use types is increased. Government policy and reservoir storage are important driving factors for the change of surrounding landscape pattern of Danjiangkou Reservoir.
引文
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[2] 李卫锋,王仰麟,彭建,等.深圳市景观格局演变及其驱动因素分析[J].应用生态学报,2004,15(8):1403-1410.
[3] 陈佑启,杨鹏.国际上土地利用/土地覆盖变化研究的新进展[J].经济地理,2001,21(1):95-100.
[4] 马克明,傅伯杰.北京东灵山地区景观格局及破碎化评价[J]. 植物生态学报,2000,24(3):320-326.
[5] MOSER D, ZECHMEISTER H G, PLUTZAR C, et al. Landscape Patch Shape Complexity as an Effective Measure for Plant Species Richness in Rural Landscapes[J]. Landscape Ecology, 2002, 17(7): 657-669.
[6] 曹银贵,王静,刘正军,等.三峡库区近30年土地利用时空变化特征分析[J].测绘科学,2007,32(6):167-170.
[7] LIU X P, LI X, CHEN Y M, et al. A New Landscape Index for Quantifying Urban Expansion Using Multi-Temporal Remotely Sensed Data[J]. Landscape Ecology, 2010, 25: 671-682.
[8] COSTANZA R. The Value of the Worid’s Ecosystem Services and Nature Capital[J]. Nature, 1997, 387: 253-260.
[9] 崔文连,郭黎,刘善伟,等.基于高分辨率卫星遥感影像的2003—2009年崂山自然保护区景观格局动态变化分析[J].激光生物学报,2014,23(6):614-619.
[10] 崔晓伟,张磊,朱亮,等.三峡库区开县蓄水前后景观格局变化特征[J].农业工程学报,2012,28(4):227-234.
[11] 艾克拜尔·买提尼牙孜,阿里木江·卡斯木.博斯腾湖湿地景观格局动态变化及其驱动机制分析[J].干旱区资源与环境,2012,26(12):161-166.
[12] 胡玉福,邓良基,张世熔,等.基于RS和GIS的西昌市土地利用及景观格局变化[J].农业工程学报,2011,27(10):322-327.
[13] 韩海辉,杨太保,王艺霖.近30年青海贵南县土地利用与景观格局变化[J].地理科学进展,2009,28(2):207-215.
[14] 颉耀文,袁春霞,史建尧.近15年甘肃民勤湖区景观格局动态变化分析[J].兰州大学学报(自然科学版),2008,44(1):11-16.
[15] 殷格兰,邵景安,郭跃,等.南水北调中线核心区土地利用变化及其生态环境响应研究[J].地球信息科学学报,2017,19(1):59-69.
[16] 王丽群,张志强,李格,等.北京边缘地区景观格局变化及对生态系统服务的影响评价:以牛栏山马坡镇为例[J].生态学报,2018,38(3):1-10.
[17] 赵阳,余新晓,贾剑波,等.红门川流域土地利用景观动态演变及驱动力分析[J].农业工程学报,2013,29(9):239-248.
[18] 冯舒,汤茜,丁圣彦.农业景观农地和非农绿地斑块属性特征及其结构优化研究:以河南省封丘县为例[J].中国生态农业学报,2015,23(6):733-740.
[19] 阳文锐.北京城市景观格局时空变化及驱动力[J].生态学报,2015,35(13):4357-4366.
[20] 范强,杨俊,吴楠,等.海岸旅游小镇景观格局演变与动态模拟:以大连市金石滩国家旅游度假区为例[J].地理科学,2013,33(12):1467-1475.
[21] 吴健生,王政,张理卿,等.景观格局变化驱动力研究进展[J].地理科学进展,2012,31(12):1739-1746.
[22] 窦鹏,陈洋波,张涛,等.基于Landsat ETM+影像的增强型裸地指数研究[J].地理与地理信息科学,2017,33(2):25-31.