城市生态安全,是指到全人类、某一国家、地区或城市居民的生存安全的环境容量具备最低值、战略性自然资源存量的最低人均占有量有保障、重大生态灾害能够得到抑制等一系列要素的总称。
作为人口高度集聚的人工生态系统,城市生态系统的安全性更加具有脆弱性。
As one of populous artificial ecosystems in the ecology domain, the security of urban ecosystem is more fragile.
城市绿地是城市生态系统中重要的组成部分,为越来越多的城市居民提供安全保障。
Urban green space is an important component of urban ecosystem and provides security guarantee for growing urban residents.
资源型企业不仅要实现自己的战略转型,还要在国家的能源安全、资源型城市的转型、生态环境的保护以及社会福利的增进等方面承担责任。
The resource enterprise must take the responsibility of its own transition, and it must take other responsibilities, such as the resource safety of our country, the transition of the resource city...
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