Interplays between plants and environmental factors determine pullout resistance on different revegetated slopes in mining areas.

Ecological restoration on mined lands often uses spray‑seeding of external soil to reduce slope failures. This project looks at what mechanical and environmental factors control how strongly the roots of the main pioneer plant, Artemisia gmelinii, hold onto different slopes—rocky, geotechnical and soil. We examine how plant traits (like height and underground biomass) interact with soil characteristics (such as silt content, nutrient levels, and slope angle). From this we build a quantitative framework that predicts how well vegetation can reinforce a slope. Experiments and structural‑equation modeling show that: * Soil slopes have much higher root pull‑out resistance than rocky slopes. * Soil nutrients and texture have a stronger effect on

both geotechnical and soil slopes. The project also provides hands‑on support for students, including: * Setting up a pull‑out test device. * Analyzing soil parameters. * Running statistical models of root‑soil interaction. In the end, the research gives practical engineering guidance for choosing the best plant traits and soil setups to improve slope stability after mining. It also offers a clear method for evaluating bio‑geotechnical stabilization techniques.

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