Journal
ECOLOGICAL INDICATORS
Volume 74, Issue -, Pages 403-413Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ecolind.2016.11.031
Keywords
Eco-industrial parks; Industrial ecology; Symbiotic network; Complex network; Resilience; Topology
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Funding
- National Natural Science Foundation of China [41501183, 71171089]
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Realizing the stable operation of an eco-industrial park (EIP) as a complex system consisting of a variety of the enterprises and embedded relations is challenging. The topological structure plays an important role to understand the balance of network resilience and eco-efficiency in the operation process of a given EIP. In this paper, Ningdong Coal Chemical Eco-industrial Park (Ningdong CCEIP) is used as a case study in Ningxia Hui Autonomous Region of China. Based on complex network theory, we focus on topological characteristics analysis of symbiotic network from the perspective of resilience. Results reveal that Ningdong CCEIP has scale-free characteristics as well as the small world ones. Compared with the node-level metrics, the important degree of node considering ecological factor is a more crucial index measuring the importance of a particular node in the network. The removal of top 10% node contributes to 60% decrease of network efficiency, which indicates the decline of resilience in the studied case. Protecting the most important nodes is critical to safeguard the potential vulnerability in the development of EIPs. This study can help us better understand the strategies for avoiding disruptions, improving the resilience of EIP and safeguarding the stable operation. (C) 2016 Elsevier Ltd. All rights reserved.
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