[生态环境质量和生态管理在内蒙古的时空空间演变区划基于RSEI]
Na Zhao1, Bing Wang1,2, Zi-Hao Wang1
1College of Forestry, Inner Mongolia Agricultural University, Hohhot 010019, China.
Huan jing ke xue= Huanjing kexue
|July 18, 2025
概括
在内蒙古,内蒙古是内蒙古.
科学领域:
- 生态环境质量评估和可持续发展战略.
- 遥感在环境监测和土地管理中的应用.
- 生态指标和驱动因素的时空空间分析.
背景情况:
- 内蒙古是中国北部的关键生态安全障碍.
- 了解生态质量演变对于区域环境管理至关重要.
- 之前的研究缺乏全面的时空分析和综合区划.
研究的目的:
- 分析2000年至2023年内蒙古生态环境质量的空间和时间演变.
- 确定影响生态质量变化的关键驱动因素.
- 提出基于人类活动强度和环境质量的生态管理区分.
主要方法:
- 利用谷歌地球引擎和MODIS数据提取热量,绿色,干燥和湿度指标.
- 使用主要组件分析构建了遥感生态指数 (RESI) 模型.
- 应用变化系数 (CV),Sen + Mann-Kendall和Hurst指数用于趋势分析,以及地理探测器用于驱动因素分析.
主要成果:
- 内蒙古的生态质量主要低于平均水平,从东到西都在下降,最初的退化随后逐渐改善.
- 该地区显示总体稳定性,但西部生态系统脆弱;未来的趋势表明持续退化与改善的更大区域,预计西部将有所改善.
- 降水量,土壤类型和土地使用类型是对 RESI 最有影响的因素;因素之间的相互作用显著增强了空间变化的解释能力.
结论:
- 内蒙古的生态环境质量表现出波动性,但总体上有改善的趋势,区域差异很大.
- 人类活动和自然因素的相互作用复杂,影响生态质量,需要有针对性的管理策略.
- 生态管理将区域划分为协调区,保护区和风险区,为该地区的可持续发展和生态保护提供了科学基础.
相关概念视频
01:25Selected Data About Geographic Locations
69
Geographic Information Systems (GIS) rely on two core types of data: spatial data and attribute data.Spatial DataSpatial data defines the physical location of features within a coordinate system, typically expressed in terms of latitude and longitude. It provides precise positioning for elements like roads, rivers, or buildings.Attribute DataAttribute data complements spatial data by adding descriptive information about these features. For example, a road's spatial data includes its start and...
69
02:29Hybrid Zones
20.3K
Hybrid zones are narrow regions where two closely related species interact, mate, and produce hybrids. Relative to either parent species, hybrids may possess distinct phenotypic or genetic differences that impact their survival and reproductive success. The genetic variances introduced by hybridization influence species diversity and speciation processes within the hybrid zone.
20.3K
02:26Ecological Disturbance
17.5K
An ecological disturbance is a temporary disruption in the environment resulting from abiotic, biotic, or anthropogenic factors, causing a pronounced change in an ecosystem. The impact of an ecological disturbance, which can depend on its intensity, frequency, and spatial distribution, plays a significant role in shaping the species diversity within the ecosystem.
17.5K
02:35What is Evolutionary History?
40.0K
Scientists record evolutionary history by analyzing fossil, morphological, and genetic data. The fossil record documents the history of life on Earth and provides evidence for evolution. However, both fossil and living organisms offer evidence that outlines Earth’s evolutionary history.
40.0K
01:21Manipulation and Analysis
61
GIS manipulation and analysis functions are vital for decision-making and planning. These activities range from data retrieval tasks, such as selecting information based on specific criteria, to advanced analytical techniques that address complex spatial problems.One critical GIS analysis method is overlaying, which combines multiple data layers to examine impacts. For example, overlaying a river-dammed lake boundary with road networks can identify affected infrastructure. Another common...
61
02:02Ecological Niches
24.6K
All organisms have a position within an ecosystem. The complete set of living and nonliving factors—including food resources, climate, and terrain—that define the position of a given organism are collectively referred to as the organism’s ecological niche.
24.6K