References：

[1] Gao, H. D., Li, Z. B., Li, P., et al. The capacity of soil loss control in the Loess Plateau based on soil erosion control degree [J]. Acta Geographica Sinica, 2015, 70(9): 1503-1515.
     [2] Dang, X. H., Sun, Y, J., The soil erosion estimation in the regions of Loess Plateau based on geographic information system [J]. Science Technology and Engineering, 2019, 19(25): 13-17.
     [3] Sun, W. Y., Shao, Q. Q., Liu, J. Y., et al. Assessing the effects of land use and topography on soil erosion on the Loess Plateau in China [J]. CATENA, 2014, 121: 151-163.
     [4] Wischmeier, W. H., Smith, D. D. Predicting rainfall erosion losses: a guide to conservation planning [M]. Department of Agriculture, Science and Education Administration, 1978.
     [5] Williams, J. R., Jones, C. A., Kiniry J. R., et al. The EPIC crop growth model [J]. Transactions of the ASAE, 1989, 32 (2): 497-0511.
     [6] McCool, D. K., Brown, L. C., Foster, G. R., et al. Revised slope steepness factor for the universal soil loss equation [J]. Transactions of the ASAE, 1987, 30(5): 1387-1396.
     [7] Liu, B. Y., Nearing, M. A., Shi, P. J., et al. Slope length effects on soil loss for steep slopes [J]. Soil Science Society of America Journal, 2000, 64(5): 1759-1763.
     [8] Liu, B. Y., Nearing, M. A., Risse, L. M. Slope gradient effects on soil loss for steep slopes [J]. Transactions of the ASAE, 1994, 37(6): 1835-1840.
     [9] Cai, C. F., Ding, S. W., Shi, Z. H., et al. Study of applying USLE and geographical information system IDRISI to predict soil erosion in small watershed [J]. Science of Soil and Water Conservation, 2000(2): 19-24.
     [10] Zhang, L. W., Fu B. J., Lü, Y. H., et al. Balancing multiple ecosystem services in conservation priority setting [J]. Landscape Ecology, 2015, 30(3): 535-546.
     [11] Li, T. H., Zheng, L. N. Soil erosion changes in the Yanhe Watershed from 2001 to 2010 based on RUSLE model [J]. Journal of Natural Resources, 2012, 27(7): 1164-1175.
     [12] Guo, D., Song, X. N., Dong, Z., et al. Study on soil erosion of the Ningxia Zhongwei area in the Loess Plateau based on RUSLE and GIS [J]. Journal of Sediment Research, 2020, 45(5): 55-60.
     [13] Yu, S. C., Wang, F., Qu, M., et al. The effect of Land Use/Cover change on soil erosion change by spatial regression in Changwu County on the Loess Plateau in China [J]. Forests, 2021, 12: 1209.
     [14] Yang, B., Wang, Q. J., Research on soil erosion and nutrient loess in Yulin City after afforestation [J]. Journal of Soil and Water Conservation, 2016, 30(4): 57-63.
     [15] Zhou, L., Li, Y. J., Sun, Y. J. Determination of units for various factors of revised universal soil loess equation determination of units for various factors of revised universal soil loess equation [J]. Bulletin of Soil and Water Conservation, 2018, 38(1): 169-174.