April 23, 2024 Liao, C. 2018. Quantifying multi-scale pastoral mobility: Developing a metrics system and using GPS-Tracking data for evaluation. Journal of Arid Environments 153:88-97. Home » Liao, C. 2018. Quantifying multi-scale pastoral mobility: Developing a metrics system and using GPS-Tracking data for evaluation. Journal of Arid Environments 153:88-97.