赣南地区土地利用格局及生态系统服务价值的时空演变
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摘要
江西省的赣南地区是典型的南方山地丘陵区,属于赣江流域重要的生态屏障区,生态保护的意义重大。以赣南为研究区域,基于1990—2015年间的6期遥感影像,利用遥感、地理信息技术和空间统计的方法,计算了该区域土地利用动态度,对不同生态用地所提供的生态系统服务价值进行评估,分析了生态系统服务价值时空差异的驱动因素,并将人均GDP、人口密度和城市化率3个因素与生态系统服务价值进行空间相关性分析。结果表明:(1)1990—2015年间,赣南地区综合土地利用动态度持续上升,各用地类型的综合土地利用动态度从0.06上升到0.13。(2)1990—2015年间赣南地区共减少生态系统服务价值20.42×10~8元,处于下降趋势,其中森林的生态系统服务价值损失最大。研究区调节服务价值最高,其供给服务较低,该地区森林覆盖率高,耕地分散是造成该结果的主要原因。(3)人均GDP、人口密度和城市化率3个因素是生态系统服务价值变化的主要驱动因素且与生态系统服务价值的局部空间相关性高度一致。城市化率越高,生态系统服务价值越低,并形成局部低-高型和高-高型集聚分布。本研究为合理布局和保护我国南方丘陵地区的生态用地,发挥赣南地区的生态屏障作用提供了理论依据和决策支持。
Gannan region, an important ecological barrier in the Gan Jiang River basin, is a typical southern mountain-hill area in Jiangxi Province, China, and its ecological protection is of great significance. In this study, using data of 5-year intervals from 1990 to 2015, the land-use change dynamics and ecosystem service value in the Gannan region was investigated through the application of remote sensing, geographic information technology, and spatial statistical methods. In addition, the driving factors of spatial and temporal differences in ecosystem service value for the Gannan region and the spatial correlation between three factors—per capita GDP, population density and urbanization rate, and ecosystem service value-were also investigated. The results showed that(1) the dynamic degree of land use in the Gannan region increased over the 25 years of investigation from 0.06 to 0.13;(2) the ecosystem services assessment showed that the total value of the ecosystem services in the Gannan region declined by 20.42×10~(8 )yuan over the study period. The ecosystem services provided by the forest ecosystem led to the highest loss in value. High forest cover and scattered arable land are the main reasons for the high regulation service value and the low supply service value in the Gannan region;(3) the per capita GDP and the population density and urbanization rate were the main driving forces that led to decrease regional total ecosystem service value. They were also highly consistent with the local spatial correlation for ecosystem service value. The higher urbanization rate led to the lower ecosystem service value, and had local low-high and high-high aggregation distributions. This study provides a theoretical basis and a decision support mechanism for the rational layout and protection of ecological land in this southern hilly region. The results could lead to improved ecological barrier functions.
Gannan region, an important ecological barrier in the Gan Jiang River basin, is a typical southern mountain-hill area in Jiangxi Province, China, and its ecological protection is of great significance. In this study, using data of 5-year intervals from 1990 to 2015, the land-use change dynamics and ecosystem service value in the Gannan region was investigated through the application of remote sensing, geographic information technology, and spatial statistical methods. In addition, the driving factors of spatial and temporal differences in ecosystem service value for the Gannan region and the spatial correlation between three factors—per capita GDP, population density and urbanization rate, and ecosystem service value-were also investigated. The results showed that(1) the dynamic degree of land use in the Gannan region increased over the 25 years of investigation from 0.06 to 0.13;(2) the ecosystem services assessment showed that the total value of the ecosystem services in the Gannan region declined by 20.42×10~(8 )yuan over the study period. The ecosystem services provided by the forest ecosystem led to the highest loss in value. High forest cover and scattered arable land are the main reasons for the high regulation service value and the low supply service value in the Gannan region;(3) the per capita GDP and the population density and urbanization rate were the main driving forces that led to decrease regional total ecosystem service value. They were also highly consistent with the local spatial correlation for ecosystem service value. The higher urbanization rate led to the lower ecosystem service value, and had local low-high and high-high aggregation distributions. This study provides a theoretical basis and a decision support mechanism for the rational layout and protection of ecological land in this southern hilly region. The results could lead to improved ecological barrier functions.
引文
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[12] 陈作志,蔡文贵,徐姗楠,黄梓荣,邱永松.广西北部湾近岸生态系统风险评价.应用生态学报,2011,22(11):2977- 2986.
[13] 许倍慎,周勇,徐理,于雷,吴文斌.湖北省潜江市生态系统服务功能价值空间特征.生态学报,2011,31(24):7379- 7387.
[14] Posner S,Verutes G,Koh I,Denu D,Ricketts T.Global use of ecosystem service models.Ecosystem Services,2016,17:131- 141.
[15] Ghermandi A,Sheela A M,Justus J.Integrating similarity analysis and ecosystem service value transfer:Results from a tropical coastal wetland in India.Ecosystem Services,2016,22:73- 82.
[16] 王秀兰,包玉海.土地利用动态变化研究方法探讨.地理科学进展,1999,18(1):81- 87.
[17] Yao J,He X Y,Chen W,Ye Y,Guo R C,Yu L Z.A local-scale spatial analysis of ecosystem services and ecosystem service bundles in the upper Hun River catchment,China.Ecosystem Services,2016,22:104- 110.
[18] Ninan K N,Kontoleon A.Valuing forest ecosystem services and disservices-Case study of a protected area in India.Ecosystem Services,2016,20:1- 14.
[19] Kibria A S M G,Behie A,Costanza R,Groves C,Farrell T.The value of ecosystem services obtained from the protected forest of Cambodia:The case of Veun Sai-Siem pang national park.Ecosystem Services,2017,26:27- 36.
[20] Soy-massoni E,Langemeyer J,Varga D,Sáez M,Pintó J.The importance of ecosystem services in coastal agricultural landscapes:case study from the Costa Brava,Catalonia.Ecosystem Services,2016,17:43- 52.
[21] 张艳军,官冬杰,翟俊,邓伟.重庆市生态系统服务功能价值时空变化研究.环境科学学报,2017,37(3):1169- 1177.
[22] 张骞,高明,杨乐,陈成龙,孙宇,王金柱.1988- 2013年重庆市主城九区生态用地空间结构及其生态系统服务价值变化.生态学报,2017,37(2):566- 575.
[23] 赵志刚,余德,韩成云,王凯荣.鄱阳湖生态经济区生态系统服务价值预测与驱动力.生态学报,2017,37(24):8411- 8421.
[24] 王蓓,赵军,胡秀芳.基于InVEST模型的黑河流域生态系统服务空间格局分析.生态学杂志,2016,35(10):2783- 2792.
[25] 郜红娟,韩会庆,罗绪强,俞洪燕,韩默然.贵州省生态系统服务价值与社会经济空间相关性分析.水土保持研究,2016,23(2):262- 266.
[26] 刘海,殷杰,林苗,陈晓玲.基于GIS的鄱阳湖流域生态系统服务价值结构变化研究.生态学报,2017,37(8):2575- 2587.
[27] 陈美球,赵宝苹,罗志军,黄宏胜,魏晓华,吕添贵,许莉.基于RS与GIS的赣江上游流域生态系统服务价值变化.生态学报,2013,33(9):2761- 2767.
[28] 朱治州,钟业喜,徐羽.鄱阳湖流域生态系统服务价值演变研究.江西师范大学学报:自然科学版,2017,41(5):538- 545.
[2] 魏慧,赵文武,张骁,王新志.基于土地利用变化的区域生态系统服务价值评价——以山东省德州市为例.生态学报,2017,37(11):3830- 3839.
[3] 刘晓娜,封志明,姜鲁光,张景华.西双版纳土地利用/土地覆被变化时空格局分析.资源科学,2014,36(2):233- 244.
[4] 王航,秦奋,朱筠,张传才.土地利用及景观格局演变对生态系统服务价值的影响.生态学报,2017,37(4):1286- 1296.
[5] Costanza R,D′Arge R,Groot R D,Farber S,Grasso M,Hannon B,Limburg K,Naeem S,O′Neill R V,Paruelo J,Raskin R G,Sutton P,Belt M V D.The value of the world′s ecosystem services and natural capital.Nature,1997,387(6630):253-260.
[6] 欧阳志云,王如松,赵景柱.生态系统服务功能及其生态经济价值评价.应用生态学报,1999,10(5):635- 640.
[7] Dawson N,Martin A.Assessing the contribution of ecosystem services to human wellbeing:A disaggregated study in western Rwanda.Ecological Economics,2015,117:62- 72.
[8] Hassan R M,Crafford J G.Measuring the contribution of ecological composition and functional services of ecosystems to the dynamics of KwaZulu-Natal coast fisheries.Ecological Economics,2015,119:306- 313.
[9] 谢高地,张彩霞,张昌顺,肖玉,鲁春霞.中国生态系统服务的价值.资源科学,2015,37(9):1740- 1746.
[10] 曾杰,李江风,姚小薇.武汉城市圈生态系统服务价值时空变化特征.应用生态学报,2014,25(3):883- 891.
[11] Li T H,Li W K,Qian Z H.Variations in ecosystem service value in response to land use changes in Shenzhen.Ecological Economics,2010,69(7):1427- 1435.
[12] 陈作志,蔡文贵,徐姗楠,黄梓荣,邱永松.广西北部湾近岸生态系统风险评价.应用生态学报,2011,22(11):2977- 2986.
[13] 许倍慎,周勇,徐理,于雷,吴文斌.湖北省潜江市生态系统服务功能价值空间特征.生态学报,2011,31(24):7379- 7387.
[14] Posner S,Verutes G,Koh I,Denu D,Ricketts T.Global use of ecosystem service models.Ecosystem Services,2016,17:131- 141.
[15] Ghermandi A,Sheela A M,Justus J.Integrating similarity analysis and ecosystem service value transfer:Results from a tropical coastal wetland in India.Ecosystem Services,2016,22:73- 82.
[16] 王秀兰,包玉海.土地利用动态变化研究方法探讨.地理科学进展,1999,18(1):81- 87.
[17] Yao J,He X Y,Chen W,Ye Y,Guo R C,Yu L Z.A local-scale spatial analysis of ecosystem services and ecosystem service bundles in the upper Hun River catchment,China.Ecosystem Services,2016,22:104- 110.
[18] Ninan K N,Kontoleon A.Valuing forest ecosystem services and disservices-Case study of a protected area in India.Ecosystem Services,2016,20:1- 14.
[19] Kibria A S M G,Behie A,Costanza R,Groves C,Farrell T.The value of ecosystem services obtained from the protected forest of Cambodia:The case of Veun Sai-Siem pang national park.Ecosystem Services,2017,26:27- 36.
[20] Soy-massoni E,Langemeyer J,Varga D,Sáez M,Pintó J.The importance of ecosystem services in coastal agricultural landscapes:case study from the Costa Brava,Catalonia.Ecosystem Services,2016,17:43- 52.
[21] 张艳军,官冬杰,翟俊,邓伟.重庆市生态系统服务功能价值时空变化研究.环境科学学报,2017,37(3):1169- 1177.
[22] 张骞,高明,杨乐,陈成龙,孙宇,王金柱.1988- 2013年重庆市主城九区生态用地空间结构及其生态系统服务价值变化.生态学报,2017,37(2):566- 575.
[23] 赵志刚,余德,韩成云,王凯荣.鄱阳湖生态经济区生态系统服务价值预测与驱动力.生态学报,2017,37(24):8411- 8421.
[24] 王蓓,赵军,胡秀芳.基于InVEST模型的黑河流域生态系统服务空间格局分析.生态学杂志,2016,35(10):2783- 2792.
[25] 郜红娟,韩会庆,罗绪强,俞洪燕,韩默然.贵州省生态系统服务价值与社会经济空间相关性分析.水土保持研究,2016,23(2):262- 266.
[26] 刘海,殷杰,林苗,陈晓玲.基于GIS的鄱阳湖流域生态系统服务价值结构变化研究.生态学报,2017,37(8):2575- 2587.
[27] 陈美球,赵宝苹,罗志军,黄宏胜,魏晓华,吕添贵,许莉.基于RS与GIS的赣江上游流域生态系统服务价值变化.生态学报,2013,33(9):2761- 2767.
[28] 朱治州,钟业喜,徐羽.鄱阳湖流域生态系统服务价值演变研究.江西师范大学学报:自然科学版,2017,41(5):538- 545.
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