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Evaluating urban land carrying capacity based on the ecological sensitivity analysis : a case study in Hangzhou, China

机译：基于生态敏感性分析的城市土地承载力评价-以杭州市为例

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摘要

In this study, we present the evaluation of urban land carrying capacity (ULCC) based on an ecological sensitivity analysis. Remote sensing data and geographic information system (GIS) technology are employed to analyze topographic conditions, land-use types, the intensity of urban development, and ecological environmental sensitivity to create reasonable evaluation indicators to analyze urban land carrying capacity based on ecological sensitivity in the rapidly developing megacity of Hangzhou, China. In the study, ecological sensitivity is grouped into four levels: non-sensitive, lightly sensitive, moderately sensitive, and highly sensitive. The results show that the ecological sensitivity increases progressively from the center to the periphery. The results also show that ULCC is determined by ecologically sensitive levels and that the ULCC is categorized into four levels. Even though it is limited by the four levels, the ULCC still has a large margin if compared with the current population numbers. The study suggests that the urban ecological environment will continue to sustain the current population size in the short-term future. However, it is necessary to focus on the protection of distinctive natural landscapes so that decision makers can adjust measures for ecological conditions to carry out the sustainable development of populations, natural resources, and the environment in megacities like Hangzhou, China.
机译：在这项研究中，我们提出了基于生态敏感性分析的城市土地承载力（ULCC）的评估。利用遥感数据和地理信息系统（GIS）技术分析地形条件，土地利用类型，城市发展的强度和生态环境敏感性，以建立合理的评价指标，从而基于区域生态敏感性分析城市土地承载力。快速发展的中国杭州特大城市。在研究中，生态敏感性分为四个级别：非敏感性，轻度敏感性，中度敏感性和高度敏感性。结果表明，生态敏感性从中心到边缘逐渐增加。结果还表明，ULCC由生态敏感性水平决定，并且ULCC分为四个级别。尽管受到四个级别的限制，但与当前的人口数量相比，ULCC仍具有很大的优势。研究表明，城市生态环境将在短期内继续维持目前的人口规模。但是，有必要集中精力保护独特的自然景观，以便决策者可以调整生态条件的措施，以在中国杭州等大城市中实现人口，自然资源和环境的可持续发展。

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