An ecological network analysis of the structure,development and sustainability of China’s natural gas supply system security |
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| Institution: | 1. Center for Energy and Environmental Policy Research, Institute of Policy and Management, Chinese Academy of Sciences, Beijing 100190, China;2. Mehran University Centre for Energy & Development (MUCED), Mehran University of Engineering & Technology (MUET), Jamshoro, Sindh, Pakistan;3. Department of Electrical Engineering, Mehran University of Engineering & Technology (MUET), Jamshoro, Sindh, Pakistan;4. School of Economics & Management, Beihang University, Beijing 100191, China;1. School of Agriculture, Laboratory of Ecology and Environmental Protection, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece;2. School of Agriculture, Laboratory of Agronomy, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece;3. School of Agriculture, Laboratory of Agricultural Engineering, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece;1. Centre of Excellence for Environmental Decisions, School of Biosciences, The University of Melbourne, Parkville, Victoria, Australia;2. CSIRO, Dutton Park, Queensland, Australia;3. OSUR, UMR CNRS 6553 ECOBIO, University Rennes1, Ave. Gal. Leclerc, 35042 Rennes Cedex, France;1. Faculty of Science and Technology, Campus of Gambelas, University of Algarve, 8005-139 Faro, Portugal;2. Centre of Marine Sciences, Campus of Gambelas, University of Algarve, 8005-139 Faro, Portugal;3. Department of Ecology and Vertebrate Zoology, Faculty of Biology and Environmental Protection, University of ?ód?, 90-237 ?ód?, 12/16 Banacha Str., Poland;4. Department of Applied Ecology, Faculty of Biology and Environmental Protection, University of ?ód?, 90-237 ?ód?, 12/16 Banacha Str., Poland;5. Department of Biological and Environmental Sciences, College of Arts and Sciences, Qatar University, Doha, Qatar |
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| Abstract: | Mitigating the impacts of climate change and ensuring energy supply security has compelled China’s policy makers to maximise the use of alternative and low carbon fuels. Use and production of natural gas (an energy source with low carbon emissions) has experienced remarkable growth in China during the last decade, making China the third largest consumer and importer in the world. This study applied a powerful system-oriented ecological network analysis (ENA) technique to study China’s natural gas policies as they pertain to guarantee supply security. Several indicators based on the ENA were measured to analyse the degree of connectivity, the contributions of different compartments, resource utilisation (aggradation), development (ascendancy) and sustainability of China’s natural gas supply system. It was found that China’s source and route diversification policy have caused the natural gas supply system to exhibit considerable network complexity, demonstrating the high level of development, flexibility and diversity of China’s natural gas supply system. However, the policy also has caused a decrease in the aggradation and sustainability from the perspective of an ecological system network. The most important compartments in terms of their contribution to China’s natural gas supply system were found to be domestic natural gas production and transit compartments. |
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| Keywords: | Ecological network analysis Energy security China’s natural gas supply security policy |
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