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ISPRS Int. J. Geo-Inf. 2016, 5(6), 94; doi:10.3390/ijgi5060094

Analyzing the Impact of Highways Associated with Farmland Loss under Rapid Urbanization

1
Institution of Remote Sensing and Information System Application, Zhejiang University, Hangzhou 310058, China
2
School of Civil Engineering and Environmental Sciences, University of Oklahoma, Norman, OK 73019, USA
3
School of Meteorology, University of Oklahoma, Norman, OK 73019, USA
*
Authors to whom correspondence should be addressed.
Academic Editors: Qiming Zhou, Zhilin Li and Wolfgang Kainz
Received: 9 April 2016 / Revised: 1 June 2016 / Accepted: 6 June 2016 / Published: 15 June 2016
(This article belongs to the Special Issue Advances and Innovations in Land Use/Cover Mapping)
View Full-Text   |   Download PDF [4078 KB, uploaded 15 June 2016]   |  

Abstract

Highway construction has accelerated urban growth and induced direct and indirect changes to land use. Although many studies have analyzed the relationship between highway construction and local development, relatively less attention has been paid to clarifying the various impacts of highways associated with farmland loss. This paper integrates GIS spatial analysis, remote sensing, buffer analysis and landscape metrics to analyze the landscape pattern change induced by direct and indirect highway impacts. This paper explores the interaction between the impact of highways and farmland loss, using the case of the highly urbanized traffic hubs in eastern China, Hang-Jia-Hu Plain. Our results demonstrate that the Hang-Jia-Hu Plain experienced extensive highway construction during 1990–2010, with a clear acceleration of expressway development since 2000. This unprecedented highway construction has directly fragmented the regional landscape and indirectly disturbed the regional landscape by attracting a large amount of built-up land transition from farmland during the last two decades. In the highway-effect zone, serious farmland loss initially occurred in the urban region and then spread to the rural region. Moreover, we found the discontinuous expansion of built-up land scattered the farmland in the rural region and expressway-effect zone. Furthermore, farmland protection policies in the 1990s had the effect of controlling the total area of farmland loss. However, the cohesive farmland structure was still fragmented by the direct and indirect impacts of highway construction. We suggest that an overall farmland protection system should be established to enhance spatial control and mitigate the adverse impacts caused by highway construction. This work improves the understanding of regional sustainable development, and provides a scientific basis for balanced urban development with farmland protection in decision-making processes. View Full-Text
Keywords: highway construction; farmland loss; spatiotemporal pattern changes; farmland protection policy; sustainable development highway construction; farmland loss; spatiotemporal pattern changes; farmland protection policy; sustainable development
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Song, J.; Ye, J.; Zhu, E.; Deng, J.; Wang, K. Analyzing the Impact of Highways Associated with Farmland Loss under Rapid Urbanization. ISPRS Int. J. Geo-Inf. 2016, 5, 94.

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