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Promoting cultivated land use efficiency (CLUE) coordinated development in various major function-oriented zones is a measure to deal with unbalanced development of territorial space in China. Taking the optimized development, key development, agricultural production, ecological function, and ecological economic zones of Zhejiang province as research objects, this study incorporated agricultural carbon emission into the measurement framework of CLUE and analyzed the regional disparity and the convergence of CLUE from 2008 to 2017, using slack-based measure model (SBM), the Theil index, and convergence theory. The main results are as follows: (1) The CLUE value that considered agricultural carbon emissions was lower than the CLUE value that did not consider agricultural carbon emissions; thus, agricultural carbon emissions had a negative effect on CLUE. (2) The CLUE value of the five major function-oriented zones showed an increasing trend; after ranking the CLUE value, the CLUE of the optimized development zones was the highest, followed by the ecological function, ecological economic, and key development zones, and that of the agricultural production zones was the lowest, indicating significant regional disparity. (3) The overall disparity of CLUE presented an upward trend, and the within-regional disparity is the main source of the overall disparity. (4) Neither σ convergence nor absolute β convergence occurred in the CLUE of the five major function-oriented zones, but conditional β convergence occurred among the optimized development and ecological economic zones. Although the planning of major function-oriented zones reflects the regional disparity and convergence of CLUE to some extent, the CLUE under the control of major function-oriented zones is not consistent with the function positioning.
Chaozheng Zhang; Yangyue Su; Gangqiao Yang; Danling Chen; Rongxuan Yang. Spatial-Temporal Characteristics of Cultivated Land Use Efficiency in Major Function-Oriented Zones: A Case Study of Zhejiang Province, China. Land 2020, 9, 114 .
AMA StyleChaozheng Zhang, Yangyue Su, Gangqiao Yang, Danling Chen, Rongxuan Yang. Spatial-Temporal Characteristics of Cultivated Land Use Efficiency in Major Function-Oriented Zones: A Case Study of Zhejiang Province, China. Land. 2020; 9 (4):114.
Chicago/Turabian StyleChaozheng Zhang; Yangyue Su; Gangqiao Yang; Danling Chen; Rongxuan Yang. 2020. "Spatial-Temporal Characteristics of Cultivated Land Use Efficiency in Major Function-Oriented Zones: A Case Study of Zhejiang Province, China." Land 9, no. 4: 114.
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Jianguo Chen; Yangyue Su; Hongyun Si; Jindao Chen. Reply to Comment on Chen, J., Su, Y., Si, H., Chen, J. Managerial Areas of Construction and Demolition Waste: A Scientometric Review. Int. J. Environ. Res. Public Health 2018, 15 (11), 2350, doi:10.3390/ijerph15112350. International Journal of Environmental Research and Public Health 2019, 16, 1886 .
AMA StyleJianguo Chen, Yangyue Su, Hongyun Si, Jindao Chen. Reply to Comment on Chen, J., Su, Y., Si, H., Chen, J. Managerial Areas of Construction and Demolition Waste: A Scientometric Review. Int. J. Environ. Res. Public Health 2018, 15 (11), 2350, doi:10.3390/ijerph15112350. International Journal of Environmental Research and Public Health. 2019; 16 (11):1886.
Chicago/Turabian StyleJianguo Chen; Yangyue Su; Hongyun Si; Jindao Chen. 2019. "Reply to Comment on Chen, J., Su, Y., Si, H., Chen, J. Managerial Areas of Construction and Demolition Waste: A Scientometric Review. Int. J. Environ. Res. Public Health 2018, 15 (11), 2350, doi:10.3390/ijerph15112350." International Journal of Environmental Research and Public Health 16, no. 11: 1886.
In past decades, the massive generation of construction and demolition waste (CDW) was increasingly threatening the public environment and humanity health worldwide. A large amount of research has been devoted to the CDW from difference perspectives. However, few scholars have attempted to summarize and review the extant studies, especially in the managerial areas of CDW (MA-CDW). This paper fills this gap via a systematic and quantitative review in the CDW management field. Employing the scientometric analysis method, a total of 261 articles published from 2006 to 2018 were collected to construct the knowledge map and comprehensive framework for MA-CDW. Results show that the overall evolutionary trend of MA-CDW was from basic management concepts to internal and external challenges analysis, to organizational strategy and innovative management practices. The major MA-CDW knowledge domains were identified and summarized into four pillars, namely: (1) factor and challenge; (2) composition and quantification; (3) assessment and comparison; and (4) technology and method. Based on the trend, knowledge gaps and future research directions were found out and discussed. This study contributes to the existing MA-CDW knowledge by presenting a comprehensive knowledge framework. Furthermore, these findings can provide the researchers and practitioners with an in-depth understanding for the sustainable governance of CDW.
Jianguo Chen; Yangyue Su; Hongyun Si; Jindao Chen. Managerial Areas of Construction and Demolition Waste: A Scientometric Review. International Journal of Environmental Research and Public Health 2018, 15, 2350 .
AMA StyleJianguo Chen, Yangyue Su, Hongyun Si, Jindao Chen. Managerial Areas of Construction and Demolition Waste: A Scientometric Review. International Journal of Environmental Research and Public Health. 2018; 15 (11):2350.
Chicago/Turabian StyleJianguo Chen; Yangyue Su; Hongyun Si; Jindao Chen. 2018. "Managerial Areas of Construction and Demolition Waste: A Scientometric Review." International Journal of Environmental Research and Public Health 15, no. 11: 2350.
In China, dockless bike-sharing programs (DBSPs) play a significant role in promoting the goals of sustainable urban travel and carbon emissions reduction. However, the sustainability of DBSPs is increasingly being challenged as various issues associated with different stakeholders emerge. While numerous studies have focused on the barriers to traditional bike-sharing programs, the sustainability performance of new-generation DBSPs is largely overlooked. It is accordingly imperative to understand the primary challenges that impede the sustainability of DBSPs and to consider what stimulative measures can be taken. In this study, we investigate the factors that are critical to DBSPs’ sustainability from a network perspective. Stakeholder-associated factors and their interrelations were identified via literature analysis and interviews, and the social network analysis (SNA) method was employed to recognize the critical factors and links in DBSPs. As a result, 10 critical factors and 10 major interactions were identified and further classified into six challenges. Sharing transport schemes, legislative perfection, public private partnership (PPP), and product lifecycle management (PLM) were proposed to govern these challenges. This paper contributes to the existing body of knowledge of bike-sharing programs via a network approach that integrates the key influencing factors with those factors’ associated stakeholders. Furthermore, these findings provide the government and operators with implications for mitigating the tough challenges and facilitating the sustainability of DBSPs.
Jian-Gang Shi; Hongyun Si; Guangdong Wu; Yangyue Su; Jing Lan. Critical Factors to Achieve Dockless Bike-Sharing Sustainability in China: A Stakeholder-Oriented Network Perspective. Sustainability 2018, 10, 2090 .
AMA StyleJian-Gang Shi, Hongyun Si, Guangdong Wu, Yangyue Su, Jing Lan. Critical Factors to Achieve Dockless Bike-Sharing Sustainability in China: A Stakeholder-Oriented Network Perspective. Sustainability. 2018; 10 (6):2090.
Chicago/Turabian StyleJian-Gang Shi; Hongyun Si; Guangdong Wu; Yangyue Su; Jing Lan. 2018. "Critical Factors to Achieve Dockless Bike-Sharing Sustainability in China: A Stakeholder-Oriented Network Perspective." Sustainability 10, no. 6: 2090.