Table 4 Forest net primary productivity (NPP) and its trends in China in recent decades according to previous studies
From: Variation of net primary productivity and its drivers in China’s forests during 2000–2018
Mean NPP (gC·m−2·year−1) | NPP trend (gC·m−2·year−1) | Period (year) | Method | Cites |
|---|---|---|---|---|
567 | – | 1989–1993 | Scaling up method | Ni 2003 |
606.3 | – | 1989–1993 | Scaling up method | Ni 2003 |
627 | Increase | 1984–1998 | Geographically weighted regression model | Wang et al. 2008 |
843 | – | 1990s | Spatial statistical approaches | Zhuang et al. 2009 |
> 500 | Increase | 1981–2000 | Sheffield dynamic global vegetation model | Mao et al. 2010 |
420.1 | Increase | 1973–2008 | Relationship between biomass and NPP | Yu et al. 2014 |
840.2 | Increase | 2000–2018 | Statistics-based multiple regression model | This paper |