As a natural disaster, drought can endanger global ecology, socio-economic systems, and sustainable development. To address sudden droughts in the future, assess disasters, propose mitigation measures, in-depth research on spatiotemporal variations driving factors of meteorological is essential. study Yellow River Basin, we calculated multi-scale Standardized Precipitation Evapotranspiration Index (SPEI), derived from monthly data recorded at weather stations 1968 to 2019. We examined...

Abstract Terrestrial ecosystems are always changing due to natural and anthropogenic factors. Many studies have described the changes through landscape indicators, but stability processes considered less in existing studies. Therefore, it is essential establish effective indicators detect stability. In this study, three were proposed characterize vegetation based on system fluctuation theory, which applied a typical semiarid grassland coal mine region. The calculated normalized difference...

Abstract Although it is well known that groundwater significantly influences the plant communities, there have been few studies on how soil and communities respond to a rapid decline of in short time affected by coal mining. This paper focuses examination changes depth before after mining soil‐vegetation response typical semi‐arid grassland mine area Hulunbuir Steppe, Northeastern China. The IsoSource model, based dual stable isotopes δ D 18 O, was employed estimate contributions shallow...

Abstract. Accurate determination of soil water content is crucial for studying the local ecological cycle, agriculture, forests and grasslands management, slope stability, environmental processes, problems. Current measurement methods have challenges with complicated operation, high costs, significant system errors, type-specific accuracy. In this study, we proposed an alternative method to measure using ratios mass density vapor based on science thermodynamics. We derived ratio as a...

Traditional graduate classroom teaching models have faced significant challenges in the wave of educational informatization. The development modern information technology has profoundly impacted geography courses, driving reorganization resources and innovation models. Under influence informatization, courses exhibit three main characteristics: integration, personalization, sharing. In process transforming traditional into an informatized model, it is essential to improve teachers' skills,...

Educational big data analysis is one of the current focal points in academia. The involvement has enriched functions educational evaluation, expanding and deepening connotations functionalities education teaching itself. This development directly supports scientific decision-making education, gradually becoming an important technological force driving advancement higher education. As a crucial component quality course instruction at graduate level affects overall standards study focuses on...

Although it is well known that groundwater significantly influences plant communities, there have been few studies on how the soil and communities respond to level decline in a short time affected by coal mining. This paper examined changes depth before after mining soil-vegetation response typical semi-arid grassland mine area of Hulunbuir Steppe, Northeastern China. The IsoSource model, based dual stable isotopes δ D O, was employed estimate contributions shallow (0-100cm) water under...

In the context of market mechanism reform, this study addresses challenges ecological security, industrial discontinuity and policy gaps in process promoting mine restoration through market-oriented means, explores new methods paths for transformation mining wastelands.By applying "resource-asset-capital" theoretical framework, analysed operation restoration, integrated incentives government regulation measures into holistic governance, development to formulate a model wastelands.Through an...

Mining, road construction, and other engineering activities result in a huge number of high steep rocky slopes, the ecological restoration which is global issue.In this study, below-ground habitat reconstruction presented as revegetation strategy for slopes.The vegetation was established by drilling holes slope surface planting appropriate arbores, shrubs, climbing plants.Plant growth, well temperature humidity dynamics on slope, were observed over five years through experiments continuous...

Coal mining has caused severe destruction to ecosystems, which affects vegetation and its below-ground habitat (BGH) leads degradation. Several studies have shown the degradation responses environmental changes, but little is known about synergy between BGH. Here we put forward an eco-geological method for grassland mechanism analysis affected by coal activities, focused on synusia structure of system aboveground underground, relationship Thus, vegetation, root mass soil ecological factors...

Coal mining has caused severe destruction to ecosystems, which affects vegetation and its below-ground habitat (BGH), leads degradation. Understanding the co-evolution mechanism of degradation BGH can help mine land ecological restoration. We emphasize synusia structure soil factor configurations (SFC) analysis in study vegetation-BGH interactions. So, vegetation, root mass, 0-100cm profile were surveyed compared natural grassland four other sites affected by coal activities Hulunbuir...