“…The LP area represented by provinces of Shanxi, Gansu and Shaanxi has become the main background and hotspot area of GFGP research. The different key word occurrences and the overall link strength indicate the impact of GFGP policy on agriculture (Cao et al, 2009), forestry (Guo & Gong, 2016; Lu et al, 2020), climate change (Cao, 2011; Wang & Yang, 2018), ecology (Yang, Wang, & Xu, 2018), soil erosion (Fu et al, 2011, Fu et al, 2017, Li et al, 2009, H. Shi & Shao, 2000, Zhao et al, 2013) and others. From the keywords of the strong citation burst (Figure 2c and d), it can be seen that since the beginning of GFGP in 2000, industries related to agriculture, animal husbandry (Zhao, Lv, & Dai, 2010) and forestry, which provide economic benefits to farmers, have greater importance and have therefore been further developed.…”