基于创新合作联系的城市网络格局分析——以长江经济带为例

doi:10.11870/cjlyzyyhj201706001

Abstract

Abstract: Existing urban geographical studies on city network are mainly based on gravity models, visualization of transportation flows and inter-locking network models. However, these methods only provide a biased picture of the whole city network since they are either based on hypotheses in theoretical or empirical models or just a depiction of one specific aspect of inter-city connections. Moreover, the studies on world city network led by the GaWC group emphasize more of the hierarchical structure of city network than inter-city cooperation. This paper aims to explore a more efficient method to measure the inter-city cooperation based on the joint intellectual property data. The analysis of inter-city innovation cooperation may also provide insights into a new aspect of inter-city connections, which is complementary with previous studies focusing on transport network or head-branch relations of firms. Using the Yangtze River Economic Belt as a case, in this paper we found that the inter-city innovation cooperation was mainly inter-firm or intra-firm links, the university-firm cooperation only took a small proportion. We also revealed that innovation connections were dissymmetric between different levels of cities in terms of forms of cooperation and there were significant spatial differences among different regions. The innovation connection among cities followed the Zipf law and was positively yet not significantly related to that calculated based on the gravity model. The results from regression analysis suggest that inter-city innovation connections are influenced by the spatial distance, gap of administrative level and industrial similarity.

Key words: city network, innovation cooperation, gravity model, Zipf Law, Yangtze River Economic Belt

CLC Number:

K901

WANG Feng-long, ZENG Gang, YE Qin, CHEN Hong-ting. ANALYSIS OF CITY NETWORK BASED ON INNOVATION COOPERATION:CASE STUDY OF YANGTZE RIVER ECONOMIC BELT[J].RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN, 2017, 26(06): 797-805.

References

[1] PRED A. On the spatial structure of organizations and the complexity of metropolitan interdependence[J]. Papers of the Regional Science Association, 1975, 35(1):115-142.
[2] SASSEN S. The global city:New York, London, Tokyo[M]. Princeton:Princeton University Press, 2001.
[3] CASTELLS M. The rise of the network society[M]. Oxford:Blackwell, 1996.
[4] HARRIS C D, ULLMAN E L. The nature of cities[J]. The Annals of the American Academy of Political and Social Science, 1945, 242(1):7-17.
[5] TAYLOR P J. World city network:a global urban analysis[M]. London:Routledge, 2004.
[6] TAYLOR P J, HOYLER M, VERBRUGGEN R. External urban relational process:introducing central flow theory to complement central place theory[J]. Urban Studies, 2010, 47(13):2803-2818.
[7] TAYLOR P J. Specification of the world city network[J]. Geographical Analysis, 2001, 33(2):181-194.
[8] TAYLOR P J, CATALANO G, WALKER D R F. Exploratory analysis of the world city network[J]. Urban Studies, 2002, 39(13):2377-2394.
[9] MEIJERS E. From central place to network model:theory and evidence of a paradigm change[J]. Tijdschrift voor Economische en Sociale Geografie, 2007, 98(2):245-259.
[10] PFLIEGER G, ROZENBLAT C. Introduction. Urban networks and network theory:the city as the connector of multiple networks[J]. Urban Studies, 2010, 47(13):2723-2735.
[11] 黄璜. 全球化视角下的世界城市网络理论[J]. 人文地理, 2010, 25(4):18-24.[HUANG H. World city network theories from the global perspective[J]. Human Geography, 2010, 25(4):18-24.]
[12] 冷炳荣, 杨永春, 李英杰, 等. 中国城市经济网络结构空间特征及其复杂性分析[J]. 地理学报, 2011, 66(2):199-211.[LENG B R, YANG Y C, LI Y J, et al. Spatial characteristics and complex analysis:a perspective from basic activities of urban networks in China[J]. Acta Geographica Sinica, 2011, 66(2):199-211.]
[13] 杨永春, 冷炳荣, 谭一洺, 等. 世界城市网络研究理论与方法及其对城市体系研究的启示[J]. 地理研究, 2011, 30(6):1009-1020.[YANG Y C, LENG B R, TAN Y M, et al. Review on world city studies and their implications in urban systems[J]. Geographical Research, 2011, 30(6):1009-1020.]
[14] 李仙德. 基于上市公司网络的长三角城市网络空间结构研究[J]. 地理科学进展, 2014, 33(12):1587-1600.[LI X D. Spatial structure of the Yangtze River Delta urban network based on the pattern of listed companies network[J]. Progress in Geography, 2014, 33(12):1587-1600.]
[15] 吴康, 方创琳, 赵渺希. 中国城市网络的空间组织及其复杂性结构特征[J]. 地理研究, 2015, 34(4):711-728.[WU K, FANG C L, ZHAO M X. The spatial organization and structure complexity of Chinese intercity networks[J]. Geographical Research, 2015, 34(4):711-728.]
[16] TAYLOR P J. Regionality in the world city network[J]. International Social Science Journal, 2004, 56(181):361-372.
[17] BEAVERSTOCK J V, SMITH R G, TAYLOR P J. World-city network:a new metageography?[J]. Annals of the Association of American Geographers, 2000, 90(1):123-134.
[18] SHORT J R, KIM Y, KUUS M, et al. The dirty little secret of world cities research:data problems in comparative analysis[J]. International Journal of Urban and Regional Research, 1996, 20(4):697-717.
[19] 周一星, 胡智勇. 从航空运输看中国城市体系的空间网络结构[J]. 地理研究, 2002, 21(3):276-286.[ZHOU Y X, HU Z Y. Looking into the network structure of Chinese urban system from the perspective of air transportation[J]. Geographical Research, 2002, 21(3):276-286.]
[20] 顾朝林, 庞海峰. 基于重力模型的中国城市体系空间联系与层域划分[J]. 地理研究, 2008, 27(1):1-12.[GU C L, PANG H F. Study on spatial relations of Chinese urban system:gravity model approach[J]. Geographical Research, 2008, 27(1):1-12.]
[21] 王海江, 苗长虹, 茹乐峰, 等. 我国省域经济联系的空间格局及其变化[J]. 经济地理, 2012, 32(7):18-23.[WANG H J, MIAO C H, RU L F, et al. The spatial framework and change of chinese provincial region economic links[J]. Economic Geography, 2012, 32(7):18-23.]
[22] 李亚婷, 潘少奇, 苗长虹. 中原经济区县际经济联系网络结构及其演化特征[J]. 地理研究, 2014, 33(7):1239-1250.[LI Y T, PAN S Q, MIAO C H. Structure and evolution of economic linkage network at county level in Central Plains Economic Zone[J]. Geographical Research, 2014, 33(7):1239-1250.]
[23] XIE Y C, MA T. A method for delineating a hierarchically networked structure of urban landscape[J]. Urban Geography, 2015, 36(6):947-963.
[24] 王海江, 苗长虹. 我国中心城市对外服务能力的空间格局[J]. 地理研究, 2009, 28(4):957-967.[WANG H J, MIAO C H. Spatial distribution of external service capabilities of Chinese central cities[J]. Geographical Research, 2009, 28(4):957-967.]
[25] BATTEN D F. Network cities:creative urban agglomerations for the 21st century[J]. Urban Studies, 1995, 32(2):313-327.
[26] SMITH D A, TIMBERLAKE M F. World city networks and hierarchies, 1977-1997:an empirical analysis of global air travel links[J]. American Behavioral Scientist, 2001, 44(10):1656-1678.
[27] DERUDDER B, WITLOX F. Mapping world city networks through airline flows:context, relevance, and problems[J]. Journal of Transport Geography, 2008, 16(5):305-312.
[28] MA X L, TIMBERLAKE M F. Identifying China's leading world city:a network approach[J]. GeoJournal, 2008, 71(1):19-35.
[29] 于涛方, 顾朝林, 李志刚. 1995年以来中国城市体系格局与演变——基于航空流视角[J]. 地理研究, 2008, 27(6):1407-1418.[YU T F, GU C L, LI Z G. China's urban systems in terms of air passenger and cargo flows since 1995[J]. Geographical Research, 2008, 27(6):1407-1418.]
[30] TOWNSEND A M. The internet and the rise of the new network cities, 1969-1999[J]. Environment and Planning B:Planning and Design, 2001, 28(1):39-58.
[31] CHOI J H, BARNETT G A, CHON B S. Comparing world city networks:a network analysis of internet backbone and air transport intercity linkages[J]. Global Networks, 2006, 6(1):81-99.
[32] BEAVERSTOCK J V, SMITH R G, TAYLOR P J, et al. Globalization and world cities:some measurement methodologies[J]. Applied Geography, 2000, 20(1):43-63.
[33] BEAVERSTOCK J V. ‘Managing across borders’:knowledge management and expatriation in professional service legal firms[J]. Journal of Economic Geography, 2004, 4(2):157-179.
[34] 甄峰, 王波, 陈映雪. 基于网络社会空间的中国城市网络特征——以新浪微博为例[J]. 地理学报, 2012, 67(8):1031-1043.[ZHEN F, WANG B, CHEN Y X. China's city network characteristics based on social network space:an empirical analysis of Sina Micro-blog[J]. Acta Geographica Sinica, 2012, 67(8):1031-1043.]
[35] 熊丽芳, 甄峰, 王波, 等. 基于百度指数的长三角核心区城市网络特征研究[J]. 经济地理, 2013, 33(7):67-73.[XIONG L F, ZHEN F, WANG B, et al. The research of the Yangtze River Delta Core Area's city network characteristics based on Baidu Index[J]. Economic Geography, 2013, 33(7):67-73.]
[36] 王聪, 曹有挥, 陈国伟. 基于生产性服务业的长江三角洲城市网络[J]. 地理研究, 2014, 33(2):323-335.[WANG C, CAO Y H, CHEN G W. Study on urban network of Yangtze River Delta region based on producer services[J]. Geographical Research, 2014, 33(2):323-335.]
[37] 谭一洺, 杨永春, 冷炳荣, 等. 基于高级生产者服务业视角的成渝地区城市网络体系[J]. 地理科学进展, 2011, 30(6):724-732.[TAN Y M, YANG Y C, LENG B R, et al. Urban network system in Chengdu-Chongqing region in the perspective of advanced producer service[J]. Progress in Geography, 2011, 30(6):724-732.]
[38] 赵渺希, 刘铮. 基于生产性服务业的中国城市网络研究[J]. 城市规划, 2012, 36(9):23-28, 38.[ZHAO M X, LIU Z. Research on China's city network based on production service industry[J]. City Planning Review, 2012, 36(9):23-28, 38.]
[39] 王娟, 李丽, 赵金金, 等. 基于国际酒店集团布局的中国城市网络连接度研究[J]. 人文地理, 2015, 30(1):148-153.[WANG J, LI L, ZHAO J J, et al. A city network analysis based on spatial distribution of international hotel groups in China[J]. Human Geography, 2015, 30(1):148-153.]
[40] 武前波, 宁越敏. 中国城市空间网络分析——基于电子信息企业生产网络视角[J]. 地理研究, 2012, 31(2):207-219.[WU Q B, NING Y M. China's urban network based on spatial organization of electronic information enterprises[J]. Geographical Research, 2012, 31(2):207-219.]
[41] TAYLOR P J. New political geographies:global civil society and global governance through world city networks[J]. Political Geography, 2005, 24(6):703-730.
[42] NEAL Z. Structural determinism in the interlocking world city network[J]. Geographical Analysis, 2012, 44(2):162-170.
[43] NEAL Z. Differentiating centrality and power in the world city network[J]. Urban Studies, 2011, 48(13):2733-2748.
[44] HENNEMANN S, DERUDDER B. An alternative approach to the calculation and analysis of connectivity in the world city network[J]. Environment and Planning B:Planning and Design, 2014, 41(3):392-412.
[45] 赵渺希, 吴康, 刘行健, 等. 城市网络的一种算法及其实证比较[J]. 地理学报, 2014, 69(2):169-183.[ZHAO M X, WU K, LIU X J, et al. A novel method to approximate intercity networks and its empirical validation[J]. Acta Geographica Sinica, 2014, 69(2):169-183.]
[46] 赵渺希, 黎智枫, 钟烨, 等. 中国城市群多中心网络的拓扑结构[J]. 地理科学进展, 2016, 35(3):376-388.[ZHAO M X, LI Z F, ZHONG Y, et al. Polycentric network topology of urban agglomerations in China[J]. Progress in Geography, 2016, 35(3):376-388.]
[47] SHEARMUR R, DOLOREUX D. Central places or networks? Paradigms, metaphors, and spatial configurations of innovation-related service use[J]. Environment and Planning A, 2015, 47(7):1521-1539.
[48] PAIN K, VAN HAMME G, VINCIGUERRA S, et al. Global networks, cities and economic performance:observations from an analysis of cities in Europe and the USA[J]. Urban Studies, 2016, 53(6):1137-1161.
[49] 马学广, 李贵才. 全球流动空间中的当代世界城市网络理论研究[J]. 经济地理, 2011, 31(10):1630-1637.[MA X G, LI G C. Study on world city network theory within global space of flow[J]. Economic Geography, 2011, 31(10):1630-1637.]
[50] BROWN E, DERUDDER B, PARNREITER C, et al. World city networks and global commodity chains:towards a world-systems' integration[J]. Global Networks, 2010, 10(1):12-34.
[51] 韦素琼, 陈艳华, 耿静嬛. 基于相似系数和R/S分析方法的闽台产业同构性[J]. 地理研究, 2010, 29(3):491-499.[WEI S Q, CHEN Y H, GENG J H. Empirical study on industrial isomorphism comparing Fujian and Taiwan provinces by the similar coefficient and R/S[J]. Geographical Research, 2010, 29(3):491-499.]
[52] 陈彦光. 城市化:相变与自组织临界性[J]. 地理研究, 2004, 23(3):301-311.[CHEN Y G. Urbanization as phase transition and self-organized critical process[J]. Geographical Research, 2004, 23(3):301-311.]
[53] 张秋娈, 路紫. 旅游网站信息流距离衰减的集中度研究[J]. 地理科学, 2011, 31(7):885-890.[ZHANG Q L, LU Z. The concentration analysis on distance decay of information flow in tourism websites[J]. Scientia Geographica Sinica, 2011, 31(7):885-890.]
[54] 于海松, 张殿业, 杨芬娟, 等. 城市经济Zipf分布与道路网络发展的协调性[J]. 公路交通科技, 2012, 29(11):104-109.[YU H S, ZHANG D Y, YANG F J, et al. Coordination between Zipf distribution of urban economy and road network development[J]. Journal of Highway and Transportation Research and Development, 2012, 29(11):104-109.]
[55] 李涛, 曹小曙, 杨文越. 珠江三角洲客货运量位序-规模分布特征及其变化[J]. 地理科学进展, 2016, 35(1):108-117.[LI T, CAO X S, YANG W Y. Rank-size distribution and evolution of passenger and freight flows in the Pearl River Delta[J]. Progress in Geography, 2016, 35(1):108-117.]

Metrics

Viewed

Full text

Abstract

Cited

Shared

Discussed

Recommended 10

[1]	ZHANG Zheng, FU Rongbing, YANG Haizhen, GU Guowei. COMPARISON OF ORGANIC MATTER REMOVAL IN SUBSURFACE \|HORIZONTAL FLOW WETLANDS BASED ON WATER BUDGET [J]. RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN, 2007, 16(3): 363 .
[2]	XU Su-fang, ZHOU Yin-kang. EVALUATION ON THE SUSTAINABILITY IN LAND USE OF DEVELOPMENT ZONE——A CASE STUDY IN WUHU ECONOMIC AND TECHNOLOGICAL DEVELOPMENT ZONE[J]. RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN, 2006, 15(4): 453 -457 .
[3]	HAO Hanzhou,JIN Menggui,CAO Lijing,XIE Xianjun. APPLICATION OF FUZZY MATHEMATICS IN WATER QUALITY ASSESSMENT[J]. RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN, 2006, 15(Sup1): 83 -87 .
[4]	LIU Yao-bin,LI Ren-dong. ANALYSIS ON REGIONAL DISPARITY OF ECONOMIC DEVELOPMENT IN HUBEI PROVINCE FROM 1994 TO 2000[J]. RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN, 2004, 13(1): 12 -17 .
[5]	CHEN Yong-bo. EFFECT OF THE THREE-GORGE PROJECT(TGP) ON THE SUSTAINABLE DEVELOPMENT IN THE YANGTZE BASIN[J]. RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN, 2004, 13(2): 109 -113 .
[6]	HU Da-wei, BIAN Xin-min, XU Quan. DISTRIBUTION AND EVALUATION OF SOIL HEAVY METALS BASED ON ARTIFICIAL NEURAL NETWORKS[J]. RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN, 2006, 15(4): 475 -479 .
[7]	ZHANG Jie,ZHANG Zhibin,Sun Xinxin. MAIN ENVIRONMENT PROBLEMS IN EXPLOITATION OF MINERAL RESOURCES IN YUNNAN PROVINCE[J]. RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN, 2006, 15(Sup1): 61 -65 .
[8]	,ZOU Xiaobing,ZENG Ting,TRINA MACKIE,XIAO Shangyou,XIA Zhining,,\|. CHARACTERISTICS OF PHYTOPLANKTON AND WATER POLLUTION IN LOWER REACHES OF JIALING RIVER IN SPRING[J]. RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN, 2008, 17(4): 612 .
[9]	HUANG Feng-\| WEI Lang, LI Lei, SHU Wei. CUMULATIVE EFFECTS OF WATER TEMPERATURE BY CASCADE HYDROPOWER STATIONS BUILT ON UPPER AND MIDDLE REACHES OF THE WUJIANG RIVER[J]. RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN, 2009, 18(4): 337 .
[10]	HU Hong-Xin, Zhang-Yan-Yan, He-Wei, Tian-Rong, Zhong-Xin, Han-Shi-Song, Li-Sai-Sai, Wang-Dun-Jie-Chen-Wen-Fang, Yang-Yang, Chen-Chi, Deng-Han, Wen-Yang, Cui-Ya-Ting, Li-Qian,  Wang-Xuan, Bang-Jing-Jing, Gao-Xin, Tang-Xi. ON THE PURIFICATION EFFECTS OF THE SPHAGNUM WETLAND ON Cd(Ⅱ)\|Cu(Ⅱ)\|Pb(Ⅱ)\|Zn(Ⅱ) IN DAJIUHU BASIN OF SHENNONGJIA MOUNTAINS [J]. RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN, 2009, 18(11): 1050 .

ANALYSIS OF CITY NETWORK BASED ON INNOVATION COOPERATION:CASE STUDY OF YANGTZE RIVER ECONOMIC BELT

PDF (PC)

Abstract

Cite this article

share this article

References

Related Articles 15

Metrics

Recommended 10

[1]	LIU Yun-qiang, QUAN Quan, ZHU Jia-ling, WANG Fang. Green Technology Innovation,Industrial Agglomeration and Ecological Efficiency —A Case Study of Urban Agglomerations on Yangtze River Economic Belt [J]. RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN, 2018, 27(11): 2395-2406.
[2]	WU Xiao-jing, DU De-bin, XIAO Gang, GUAN Ming-ming. THE TEMPORAL AND SPATIAL EVOLUTION OF CITY INNOVATION CAPABILITY DIFFERENCES INTHE YANGTZE RIVER ECONOMIC BELT ON THE NUMBERS OF PATENTS [J]. RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN, 2017, 26(04): 490-499.
[3]	HOU Li-chun, LIN Zhen-shan, JU Sheng-li, LAI Zheng-qing, WU Lian-xia, ZHANG Zhi-rong. TOURISM ECONOMIC LINKAGE ANDREGIONAL DEVELOPMENT STRATEGY FOR TOURISM CIRCLEAROUND POYANG LAKE [J]. RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN, 2017, 26(04): 508-518.
[4]	CHENG Ding-ping, GAN Su-mei. RESEARCH ON HIGH-TECH INDUSTRY INPUT-OUTPUT EFFICIENCY IN YANGTZE RIVER ECONOMIC BELT [J]. RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN, 2017, 26(03): 325-332.
[5]	XU Xiao-ren, XU Yong. POTENTIAL OF AVAILABLE CONSTRUCTION LAND IN THE YANGTZE RIVER ECONOMIC BELT [J]. RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN, 2016, 25(12): 1789-1796.
[6]	LI Huan, NING Yue-min, WEI Ye-hua, CHEN Fei-ran. SPATIAL DISTRIBUTION AND CORRELATION MECHANISM OF MEGALOPOLISES ON YANGTZE RIVER ECONOMIC BELT [J]. RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN, 2016, 25(12): 1797-1806.
[7]	GUO Qing-bin, LIU Qi, ZHANG Bing-qian. DOES ENVIRONMENTAL REGULATION BARRAGE INTERNATIONAL R&D SPILLOVERS: A CASE STUDY OF THE YANGTZE RIVER ECONOMIC BELT [J]. RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN, 2016, 25(12): 1807-1814.
[8]	LIU Chuan-jiang, ZHAO Xiao-meng. RESEARCH ON SPATIAL-TEMPORAL EVOLUTION OF TOTAL FACTOR PRODUCTIVITY CARBON AND POTENTIAL TO INCREASE CARBON PRODUCTIVITY IN THE YANGTZE RIVER ECONOMIC BELT [J]. RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN, 2016, 25(11): 1635-1644.
[9]	LIU Wei-chen, LU Yu-qi, WEN Yu-zhao. SPATIO-TEMPORAL EVOLUTION ANALYSIS OF EXTERNAL SERVICE CAPABILITIES OF THE YANGTZE RIVER ECONOMIC BELT CITIES [J]. RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN, 2016, 25(10): 1475-1483.
[10]	REN Jun-lin, LI Hao, WU Xin-mu, LI Xue-song. ASSESSMENT OF 11 PROVINCIAL CAPITALS' WATER ECOLOGICAL CIVILIZATION OF THE YANGTZE RIVER ECONOMIC BELT ON THE PRINCIPAL COMPONENT [J]. RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN, 2016, 25(10): 1537-1544.
[11]	DING Jun, HUANG Ru, LV La-chang. MULTISCALE ANALYSIS OF INNOVATION DIFFERENCE IN THE YANGTZE RIVER ECONOMIC BELT BASED ON THE NUMBER OF PATENTS [J]. RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN, 2016, 25(06): 868-876.
[12]	ZHANG Yu, CAO Wei-dong, LIANG Shuang-bo, HU Yan-yan. RESEARCH ON THE CO-EVOLUTION TEMPORAL AND SPATIAL PATTERNSOF URBANIZATION IN YANGTZE RIVER ECONOMIC BELT [J]. RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN, 2016, 25(05): 715-724.
[13]	LI Xiao-fan, DENG Hong-bing. STUDY OF THE SPATIAL DEFFERENTIATION AND SPATIAL TEMPORAL EVOLUTION OF THE COORDINATION OF THE YANGTZE RIVER ECONOMIC BELT'S NEW URBANIZATION [J]. RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN, 2016, 25(05): 725-732.
[14]	HUANG Guo-hua, LIU Chuan-jiang, ZHAO Xiao-meng. STATUS QUO OF CARBON EMISSION AND FUTURE CARBON EMISSION REDUCTION FOR THE YANGTZE RIVER ECONOMIC ZONE [J]. RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN, 2016, 25(04): 638-644.
[15]	DUAN Xue-jun, YU Xiao-gan, ZOU Hui. ANALYSIS ON THE DEVELOPMENT STRATEGY AND TREND OF YANGTZE RIVER ECONOMIC BELT [J]. RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN, 2015, 24(10): 1621-1629.