Remote sensing and integration of machine learning algorithms for above-ground biomass estimation in Larix principis-rupprechtii Mayr plantations: a case study using Sentinel-2 and Landsat-9 data in northern China - Ali, Jamshid; Haoran, Wang; Mehmood, Kaleem; Hussain, Wakeel; Iftikhar, Farhan; Shahzad, Fahad; Hussain, Khadim; Qun, Yin; Zhongkui, Jia (Frontiers in Environmental Science, 2025)