References
- Chen Y, Zhao Y, Li L. 2012. Ecological wisdom and artistic appeal of confucianism. Buddhism and Taoism. Beijing (China): People’s Literature Press. (in Chinese).
- Deng Q. 2009. Villages in North China and social changes of border towns in Ming and Qing Dynasties: an investigation centered on Yu County. Hebei Province. Qing Hist Res. 75(03):19–27. (in Chinese).
- Han L, Jia X. 1997. Investigation report on the site of Daiwangcheng. Cult Relics Spring Autumn. (03):23–29. (in Chinese).
- Liu F, Xiao S. 2019. Research on urban construction layout and etiquette system of ancient Yuzhou. J Hebei North Univ. 35(05):33–37. (in Chinese).
- Luo D. 2019. Research and exploration of local settlements. Beijing (China): China Building Materials Industry Press. (in Chinese).
- Qing Z, Wang L. 2016. Records of Yu County. Beijing (China): China Yanshi Press. (in Chinese).
- Sun J. 2008. The influence of different defense systems in the northern Han and Tang Dynasties on the distribution of cities in the border areas–centered on Yanbei area. Hist Teach. (11):41–45. (in Chinese).
- Sun J. 2014. A study of the initial construction age of Yuzhou. Res Chin Hist. 03:201–205. (in Chinese).
- Tang L, Wang L, Li Q, Zhao J. 2018. A framework designation for the assessment of urban ecological risks. Int J Sustainable Dev World Ecol. 25(5):387–395.
- Wang H, Zhu L, Zhao C, Zheng S. 2018. Urban ecological risk assessment management platform. Int J Sustainable Dev World Ecol. 25(5):477–482.
- Yu Z. 2002. Interpretation and reconstruction of Chinese ecological ethics tradition. Beijing (China): People’s publishing house. (in Chinese).
- Zhao J, Liu X, Dong RC, Shao GF. 2016. Landsenses ecology and ecological planning toward sustainable development. Int J Sustainable Dev World Ecol. 23(4):293–297.
- Zhao J, Yan Y, Deng H, Liu G, Dai L, Tang L, Shi L, Shao G. 2020. Remarks about landsenses ecology and ecosystem services. Int J Sustainable Dev World Ecol. 27: 196–201. doi:10.1080/13504509.2020.1718795