洞庭湖区土地生态系统的服务价值时空变化
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摘要
采用5期遥感影像数据,在ArcGIS等软件支撑下,运用当量因子法、空间自相关分析法,估算洞庭湖区土地生态系统服务价值,探究其时空变化。结果表明:①1995—2015年洞庭湖区林地面积持续减少,未利用地面积稳步增加,林地与未利用地面积的增减主导着区域土地利用变化。②1995—2015年洞庭湖区土地生态系统服务总价值经历1995—2000年的陡增后不断下降,近20年来累计减少21.64亿元,减少幅度为1.06%,林地面积减少是洞庭湖区土地生态系统服务总价值减少的根本原因。③从土地生态系统服务价值结构变化来看,1995—2015年洞庭湖区除废物处理价值有小幅增加外,其他各项生态服务价值均有不同程度的下降,但生态环境保育始终是洞庭湖区土地生态系统的主要功能。④1995—2015年洞庭湖区土地生态系统服务价值分布的空间自相关性较为显著,格局变化较明显,高值区、低值区趋于集中,高-高类型区在西部的沅江流域常德段有所减少,向东部的汨罗江流域快速扩展,低-低类型区集中在北部、南部、西部的城镇相对密集区并沿城镇发展轴逐步扩张凝结成带片状。
Based on the 5 phases remote sensing image data of Dongting Lake area in 1995,2000, 2005, 2010 and 2015, under the support of ArcGIS and Geoda software, this paper used the equivalent factor method, spatial autocorrelation analysis method to estimate the service value of land ecosystem in Dongting Lake area and explore the temporal and spatial changes of land ecosystem service value in the Dongting Lake. The results are shown as follows:(1) The forest area continued to decrease and unused land area increased steadily from 1995 to 2015,cultivated land area kept rising after a large scale reduction in 1995-2000, wetlands area and waters area decreased gradually after a mass increment in 1995-2000, grassland area fluctuated from 1995 to 2015; a great reduction of forest area and significant increment of unused land area dominated the land use changes in this area in recent 20 years.(2) The total service value of land ecosystem in the study area from 2000 to 2015 was declining after the steep increment in 1995-2000, and it decreased by 21.64 × 108 yuan, or 1.06%, in the past 20 years. The reduction of forest area was the fundamental reason for the decrease of total value of land ecosystem service in Dongting Lake area. The overall increment of wetlands area cut down the reduction margin of land ecosystem service total value.(3) In terms of the change of land ecological service value structure, the other individual ecological service value had been reduced in varying degrees apart from the slight increment of the waste treatment value, and the eco-environment conservation was always the main function of the Dongting Lake area.(4)The spatial autocorrelation of land ecosystem service value distribution was more significant in Dongting Lake area from 1995 to 2015, its high-value and low-value zones tended to be concentrated, and the agglomeration of spatial distribution of land ecosystem service value was enhancing. The spatial distribution pattern of land ecosystem service value changed obviously,the area of high-high value type zones had been reduced in the Yuanjiang River watershed of Changde, but was rapidly extending to Miluojiang River watershed, while low-low value type zones were mainly concentrated in highly concentrated town area in the north, south, west of the Dongting Lake area, and was expanding gradually to form a sheet along the town development axes and important traffic corridors.
Based on the 5 phases remote sensing image data of Dongting Lake area in 1995,2000, 2005, 2010 and 2015, under the support of ArcGIS and Geoda software, this paper used the equivalent factor method, spatial autocorrelation analysis method to estimate the service value of land ecosystem in Dongting Lake area and explore the temporal and spatial changes of land ecosystem service value in the Dongting Lake. The results are shown as follows:(1) The forest area continued to decrease and unused land area increased steadily from 1995 to 2015,cultivated land area kept rising after a large scale reduction in 1995-2000, wetlands area and waters area decreased gradually after a mass increment in 1995-2000, grassland area fluctuated from 1995 to 2015; a great reduction of forest area and significant increment of unused land area dominated the land use changes in this area in recent 20 years.(2) The total service value of land ecosystem in the study area from 2000 to 2015 was declining after the steep increment in 1995-2000, and it decreased by 21.64 × 108 yuan, or 1.06%, in the past 20 years. The reduction of forest area was the fundamental reason for the decrease of total value of land ecosystem service in Dongting Lake area. The overall increment of wetlands area cut down the reduction margin of land ecosystem service total value.(3) In terms of the change of land ecological service value structure, the other individual ecological service value had been reduced in varying degrees apart from the slight increment of the waste treatment value, and the eco-environment conservation was always the main function of the Dongting Lake area.(4)The spatial autocorrelation of land ecosystem service value distribution was more significant in Dongting Lake area from 1995 to 2015, its high-value and low-value zones tended to be concentrated, and the agglomeration of spatial distribution of land ecosystem service value was enhancing. The spatial distribution pattern of land ecosystem service value changed obviously,the area of high-high value type zones had been reduced in the Yuanjiang River watershed of Changde, but was rapidly extending to Miluojiang River watershed, while low-low value type zones were mainly concentrated in highly concentrated town area in the north, south, west of the Dongting Lake area, and was expanding gradually to form a sheet along the town development axes and important traffic corridors.
引文
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[22]陈阳,张建军,杜国明,等.三江平原北部生态系统服务价值的时空演变.生态学报,2015,35(18):6157-6164.[Chen Yang,Zhang Jianjun,Du Guoming,et al.Temporal and spatial changes in ecosystem service values in the northern sanjiang plain.Acta Ecologica Sinica,2015,35(18):6157-6164.]
[23]刘桂林,张落成,张倩.长三角地区土地利用时空变化对生态系统服务价值的影响.生态学报,2014,34(12):3311-3319.[Liu Guilin,Zhang Luocheng,Zhang Qian.Spatial and temporal dynamics of land use and its influence on ecosystem service value in Yangtze River Delta.Acta Ecologica Sinica,2014,34(12):3311-3319.]
[24]胡和兵,刘红玉,郝敬锋,等.城市化流域生态系统服务价值时空分异特征及其对土地利用程度的响应.生态学报,2013,33(8):2565-2576.[Hu Hebing,Liu Hongyu,Hao Jingfeng,et al.Spatio-temporal variation in the value of ecosystem services and its response to land use intensity in an urbanized watershed.Acta Ecologica Sinica,2013,33(8):2565-2576.]
[25]Li J C,Wang W L,Hu G Y,et al.Impacts of land use and cover changes on ecosystem service value in Zoige Plateau.Acta Ecologica Sinica,2011,31(12):3451-3459.
[26]Liu J H,Gao J X.Measurement and dynamic change of ecosystem services value in the farming pastoral ecotone of northern China.Journal of Mountain Science,2008,26(2):145-153.
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[2]彭保发,陈端吕.常德市土地覆被的生态服务价值空间变异分析.经济地理,2012,32(1):141-145.[Peng Baofa,Chen Duanlyu.Spatial differences on ecosystem value of land cover types in Changde city.Economic Geography,2012,32(1):141-145.]
[3]刘永强,廖柳文,龙花楼,等.土地利用转型的生态系统服务价值效应分析:以湖南省为例.地理研究,2015,34(4):691-700.[Liu Yongqiang,Liao Liuwen,Long Hualou,et al.Effects of land use transitions on ecosystem services value:A case study of Hunan province.Geographical Research,2015,34(4):691-700.]
[4]Costanza R,Groot R,Sutton P,et al.Changes in the global value of ecosystem services.Global Environmental Change,2014,26:152-158.
[5]谢高地,张彩霞,张雷明,等.基于单位面积价值当量因子的生态系统服务价值化方法改进.自然资源学报,2015,30(8):1243-1254.[Xie Gaodi,Zhang Caixia,Zhang Leiming,et al.Improvement of the evaluation method for ecosystem service value based on per unit area.Journal of Natural Resources,2015,30(8):1243-1254.]
[6]满苏尔·沙比提,娜斯曼·那斯尔丁,阿尔斯朗·马木提.托木尔峰国家级自然保护区土地利用/覆被生态服务价值变化分析.地理研究,2016,35(11):2116-2124.[Mansur Sabit,Nasima Nasirdin,Arslan Mamut.Analysis on the change of land use/cover ecological service value in Tomur National Nature Reserve.Geographical Research,2016,35(11):2116-2124.]
[7]赵志刚,余德,韩成云,等.2008-2016年鄱阳湖生态经济区生态系统服务价值的时空变化研究.长江流域资源与环境,2017,26(2):198-208.[Zhao Zhigang,Yu De,Han Chengyun,et al.Study on the spatial and temporal changes in ecosystem services value in Poyang Lake ecological economic zone from 2008 to 2016.Resources and Environment in the Yangtze Basin,2017,26(2):198-208.]
[8]邹月,周忠学.西安市景观格局演变对生态系统服务价值的影响.应用生态学报.2017,28(8):2629-2639.[Zou Yue,Zhou Zhongxue.Impact of landscape pattern change on ecosystem service value of Xi'an city,China.Chinese Journal of Applied Ecology,2017,28(8):2629-2639.]
[9]李涛,甘德欣,杨知建,等.土地利用变化影响下洞庭湖地区生态系统服务价值的时空演变.应用生态学报.2016,27(12):3787-3796.[Li Tao,Gan Dexin,Yang Zhijian,et al.Spatial-temporal evolvement of ecosystem service value of Dongting Lake area influenced by changes of land use.Chinese Journal of Applied Ecology,2016,27(12):3787-3796.]
[10]李景保,代勇,殷日新,等.三峡水库蓄水对洞庭湖湿地生态系统服务价值的影响.应用生态学报.2013,24(3):809-817.[Li Jingbao,Dai Yong,Yin Rixin,et al.Effects of Three Gorges Reservoir impoundment on the wetland ecosystem service value of Dongting Lake,south-central China.Chinese Journal of Applied Ecology,2013,24(3):809-817.]
[11]熊建新,彭保发,陈端吕,等.洞庭湖区生态承载力时空演化特征.地理研究,2013,32(11):2031-2039.[Xiong Jianxin,Peng Baofa,Chen Duanlyu,et al.Temporal and spatial evolutionary feature of ecological carrying capacity in Dongting Lake region.Geographical Research,2013,32(11):2031-2039.]
[12]杨新荣.湿地生态系统的功能及其价值评估:以洞庭湖区为例.农业技术经济,2012,(10):80-87.[Yang Xinrong.The function and value evaluation of wetland ecosystem:A case study of Dongting Lake area.Agricultural Technology Economy,2012,(10):80-87.]
[13]胡光伟,毛德华,李正最.等.三峡工程建设对洞庭湖的影响研究综述.自然灾害学报.2013,22(5):44-64.[Hu Guangwei,Mao Dehua,Li Zhengzui,et al.Research overview on the influence of the Three Gorges project construction on Dongting Lake.Journal of Natural Disasters,2013,22(5):44-64.]
[14]毛德华,吴峰,李景保,等.洞庭湖湿地生态系统服务价值评估与生态恢复对策.湿地科学,2007,5(1):39-44.[Mao Dehua,Wu Feng,Li Jingbao,et al.Evaluation on ecosystem service value of Dongting Lake wetland and ecological restoration countermeasures.Wetland Science,2007,5(1):39-44.]
[15]徐伟平,康文星,何介南.洞庭湖区生态系统服务功能价值分析.草业学报,2016,25(1):217-229.[Xu Weiping,Kang Wenxing,He Jienan.Analysis of the value of ecosystem in Dongting Lake area.Acta Prataculturae Snica,2016,25(1):217-229.]
[16]彭保发,陈端吕,李文军,等.土地利用景观格局的稳定性研究:以常德市为例.地理科学,2013,33(12):1484-1488.[Peng Baofa,Chen Duanlyu,Li Wenjun,et al.Stability of landscape pattern of land use:A case study of Changde.Scientia Geographica Sinica,2013,33(12):1484-1488.]
[17]杨利,谢炳庚,秦建新,等.三峡建坝前后洞庭湖区湿地景观格局变化.自然资源学报,2013,28(12):2068-2080.[Yang Li,Xie Binggeng,Qin Jianxin,et al.Changes in Dongting Lake wetland landscape pattern related to pre-and postconstruction of the Three Gorges dam.Journal of Natural Resources,2013,28(12):2068-2080.]
[18]毛德华,胡光伟,刘慧杰,等.基于能值分析的洞庭湖区退田还湖生态补偿标准.应用生态学报,2014,25(2):525-532.[Mao Dehua,Hu Guangwei,Liu Huijie,et al.Ecological compensation standard in Dongting Lake region of returning cropland to lake based on emergy analysis.Chinese Journal of Applied Ecology,2014,25(2):525-532.]
[19]潘明麒,于秀波.不同时段洞庭湖区土地利用/覆被变化及退田还湖的影响.中国人口·资源与环境,2010,20(9):140-145.[Pan Mingqi,Yu Xiubo.Land use/cover change and effects of"Returning Farmland to Lake"during different periods in Dongting Lake area.China Population,Resources and Environment,2010,20(9):140-145.]
[20]涂小松,龙花楼.2000-2010年鄱阳湖地区生态系统服务价值空间格局及其动态演化.资源科学,2015,37(12):2451-2460.[Tu Xiaosong,Long Hualou.Spatial patterns and dynamic evolution of ecosystem service values in Poyang Lake region from 2000 to 2010.Resources Sience,2015,37(12):2451-2460.]
[21]张兴榆,黄贤金,赵小风.江苏省沿海地区土地利用变化的生态系统服务价值核算.水土保持研究,2015,22(1):252-256.[Zhang Xingyu,Huang Xianjin,Zhao Xiaofeng.Calculation of ecology service value of land use change in Jiangsu coastal area.Reaearch of Soil and Water Conservation,2015,22(1):252-256.]
[22]陈阳,张建军,杜国明,等.三江平原北部生态系统服务价值的时空演变.生态学报,2015,35(18):6157-6164.[Chen Yang,Zhang Jianjun,Du Guoming,et al.Temporal and spatial changes in ecosystem service values in the northern sanjiang plain.Acta Ecologica Sinica,2015,35(18):6157-6164.]
[23]刘桂林,张落成,张倩.长三角地区土地利用时空变化对生态系统服务价值的影响.生态学报,2014,34(12):3311-3319.[Liu Guilin,Zhang Luocheng,Zhang Qian.Spatial and temporal dynamics of land use and its influence on ecosystem service value in Yangtze River Delta.Acta Ecologica Sinica,2014,34(12):3311-3319.]
[24]胡和兵,刘红玉,郝敬锋,等.城市化流域生态系统服务价值时空分异特征及其对土地利用程度的响应.生态学报,2013,33(8):2565-2576.[Hu Hebing,Liu Hongyu,Hao Jingfeng,et al.Spatio-temporal variation in the value of ecosystem services and its response to land use intensity in an urbanized watershed.Acta Ecologica Sinica,2013,33(8):2565-2576.]
[25]Li J C,Wang W L,Hu G Y,et al.Impacts of land use and cover changes on ecosystem service value in Zoige Plateau.Acta Ecologica Sinica,2011,31(12):3451-3459.
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