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Int. J. Environ. Res. Public Health 2014, 11(3), 2550-2568; doi:10.3390/ijerph110302550

Identifying Regional Key Eco-Space to Maintain Ecological Security Using GIS

Institute of Poyang Lake Eco-Economics, Jiangxi University of Finance and Economics, Nanchang 330013, China
Authors to whom correspondence should be addressed.
Received: 8 January 2014 / Revised: 7 February 2014 / Accepted: 19 February 2014 / Published: 28 February 2014
(This article belongs to the Special Issue IJERPH: 10th Anniversary)
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Ecological security and environmental sustainability are the foundations of sustainable development. With the acceleration of urbanization, increasing human activities have promoted greater impacts on the eco-spaces that maintain ecological security. Regional key eco-space has become the primary need to maintain environmental sustainability and can offer society with continued ecosystem services. In this paper, considering the security of water resources, biodiversity conservation, disaster avoidance and protection and natural recreation, an integrated index of eco-space importance was established and a method for identifying key eco-space was created using GIS, with Lanzhou City, China as a case study. The results show that the area of core eco-space in the Lanzhou City is approximately 50,908.7 hm2, accounting for 40% of the region’s total area. These areas mainly consist of geological hazard protection zones and the core zones of regional river systems, wetlands, nature reserves, forest parks and scenic spots. The results of this study provide some guidance for the management of ecological security, ecological restoration and environmental sustainability.
Keywords: eco-space; ecological security; environmental sustainability; ecosystem services; GIS eco-space; ecological security; environmental sustainability; ecosystem services; GIS
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Xie, H.; Yao, G.; Wang, P. Identifying Regional Key Eco-Space to Maintain Ecological Security Using GIS. Int. J. Environ. Res. Public Health 2014, 11, 2550-2568.

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