1. 新疆师范大学 地理科学与旅游学院,新疆,乌鲁木齐,830054
2. 新疆干旱区湖泊环境与资源实验室,新疆,乌鲁木齐,830054
纸质出版:2021
移动端阅览
王娟娟, 毋兆鹏. 乌鲁木齐市2000-2018年“三生”空间格局演变及其风险评价[J]. 水土保持通报, 2021,41(6):318-326.
Wang Juanjuan, Wu Zhaopeng. Evolution on Patterns and Risk Assessment of Productive-Living-Ecological Space in Urumqi City During 2000-2018[J]. Bulletin of Soiland Water Conservation, 2021, 41(6): 318-326.
王娟娟, 毋兆鹏. 乌鲁木齐市2000-2018年“三生”空间格局演变及其风险评价[J]. 水土保持通报, 2021,41(6):318-326. DOI: 10.13961/j.cnki.stbctb.2021.06.041.
Wang Juanjuan, Wu Zhaopeng. Evolution on Patterns and Risk Assessment of Productive-Living-Ecological Space in Urumqi City During 2000-2018[J]. Bulletin of Soiland Water Conservation, 2021, 41(6): 318-326. DOI: 10.13961/j.cnki.stbctb.2021.06.041.
[目的
]
剖析生产—生活—生态(“三生”)空间转变对绿洲城市生态风险变化的影响,实现“三生”空间的协调发展,为解决经济快速发展和社会转型中带来的国土开发秩序混乱及资源环境问题提供科学依据。[方法
]
基于乌鲁木齐市2000,2010和2018年3期“三生”空间矢量数据,借助GIS空间分析、地统计分析等方法,分析“三生”空间演变特征,并构建网格尺度下的生态风险指数,对该地区生态风险时空分异特征进行定量评价。[结果
]
①研究期间,研究区生活生产空间面积增加明显,增长率高达169.78%,生态生产空间面积平缓上升,生态空间和生产生态空间面积下降率达到4.27%和21.79%。“三生”空间综合动态度为0.40%,均呈现重心南移趋势。②2000—2018年生态空间区域内以高、较高风险等级为主,比例达92.15%,其他空间内风险等级相对较低;生活生产空间及生产生态空间区域内风险等级上升。③2010—2018年,该区域的生态风险程度有所减缓,生态风险等级变化以下降为主,是风险等级上升面积的1.95倍。④研究区生态风险对“三生”空间变化的响应弹性降低,表明影响生态风险的因素呈现多样化的特征。[结论
]
①近20 a来该区域生活生产空间面积明显扩张,增加了606.99 km
2
,主要由其周边的生态空间以及生产生态空间转入; ②该区域生态安全状况后期趋于好转,但依旧属于中高风险地区,需要对生态系统极不稳定的生态空间加强管理。
[Objective] The impacts of the transformation of productive-living-ecological space on the change of ecological risks in oasis cities were analyzed to realize the coordinated development of productive-living-ecological space
in order to provide scientific basis for solving the disorder of land development
resource and environment problems caused by rapid economic development and social transformation.[Methods] Based on the vector data of productive-living-ecological space in Urumqi City during 2000
2010 and 2018
as well as the methods of GIS spatial analysis and ground statistics analysis
the ecological risk index on grid scale was constructed to quantitatively evaluate the spatial-temporal differentiation characteristics of ecological risk in Urumqi City.[Results] ① During the study period
the area of living and productive space increased significantly
with a growth rate of 169.78%. The area of ecological production space increased gently
and the area of ecological and production ecological space decreased by 4.27% and 21.79%. The comprehensive dynamic degree of productive-living-ecological space was 0.40%
and the center of gravity shifted southward. ② During the past 20 years
the risk levels were mainly high and relative higher in the ecological space area
accounting for 92.15%
while the risk levels in other spaces were relatively low
and the risk levels in the living and productive ecological space areas incrased. ③ From 2010 to 2018
the degree of ecological risk in the region slowed down
and the change of ecological risk levels mainly declined
which was 1.95 times of the increase area. ④ The response elasticity of the ecological risk to the change of productive-living-ecological space in the study area decreased
indicating that the factors affecting ecological risk showed diversified characteristics.[Conclusion] ① During 2000-2018
the area of living production space in this region has significantly expanded with an increase of 606.99 km2
mainly from the surrounding ecological space and production ecological space. ② The ecological security situation in the region tended to be improved
but it still belong to the middle and high-risk areas
which need to strengthen the management of the extremely unstable ecological space.
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