实现可持续发展目标,解决环境问题,应利用和优化生态敏感区的土地资源。青海,是中国重要的生态敏感区,代表了青藏高原典型的生态脆弱区。本研究利用2000年、2010年和2020年的土地利用/覆被数据,运用一系列定量方法对青海省生产-生活-生态空间(PLES)的空间格局和结构进行了分析。结果表明，青海PLES的空间格局是稳定的。但是空间分布非常不同。青海PLES结构稳定,每个空间的比例从高到低都是生态的(81.01%)，生产(18.13%)和生活(0.86%)。我们发现，祁连山和三河源头地区的生态空间比例均低于其他研究区，除了黄河-黄河河谷。我们的研究客观可靠地呈现了中国重要生态敏感区的PLES特征。本研究进一步制定有针对性的政策建议,为区域可持续发展提供依据,生态环境保护,青海国土空间优化。
To achieve sustainable development goals and to solve environmental problems, land resources in eco-sensitive areas should be used and optimized. Qinghai, which is an important eco-sensitive area in China, represents a typical ecological vulnerable region on the Qinghai-Tibetan Plateau. Using land use/cover data for 2000, 2010 and 2020, this study applied a series of quantitative methods to analyze the spatial pattern and structure of the production-living-ecological space (PLES) in Qinghai. The results indicated that the spatial pattern of the PLES in Qinghai was stable over time, but the spatial distribution was very different. The structure of the PLES in Qinghai was stable, and the proportion of each space from high to low was ecological (81.01%), production (18.13%) and living (0.86%). We found that the proportion of ecological space in both the Qilian Mountains and the Three River Headwaters Region was lower than the rest of the study area, except for the Yellow River-Huangshui River Valley. Our study objectively and credibly presented the characteristics of the PLES in an important eco-sensitive area in China. This study further formulated targeted policy suggestions to provide a basis for regional sustainable development, ecological environment protection, and land and space optimization in Qinghai.
