Table 4 Different researchers’ results of changes of AGCS and CSI estimation of Pinus densata in Shangri-La.
Year | \(\varDelta\:\)AGCS (×104 t C) | CSI (t C·hm− 2) | Source | Methodology |
|---|---|---|---|---|
1987–1992 | -53.33 | -3.11 | Liao et al.14 | RF model with the addition of topographic factors |
1992–1997 | 13.89 | 0.81 | ||
1997–2002 | -94.04 | -5.51 | ||
2002–2007 | 14.60 | 0.84 | ||
2007–2012 | 20.87 | 1.20 | ||
2012–2017 | 5.62 | 0.30 | ||
1987–1992 | -40.52 | 2.36 | Teng et al.24 | RF model |
1992–1997 | 150.00 | 8.74 | ||
1997–2002 | -62.20 | -3.65 | ||
2002–2007 | -7.96 | -0.46 | ||
2007–2012 | 15.64 | 0.90 | ||
2012–2017 | 153.36 | 8.35 | ||
1987–1992 | -83.97 | -3.82 | Han et al.30 | Nonlinear mixed-effects model |
1992–1997 | 0.19 | 0.01 | ||
1997–2002 | 31.37 | 1.84 | ||
2002–2007 | 3.50 | -0.20 | ||
2007–2012 | 21.48 | 1.23 | ||
2012–2017 | 65.04 | 3.52 | ||
1987–1992 | 125.17 | 7.30 | Yin et al.31 | RF model with the addition of climatic factors |
1992–1997 | 62.13 | 3.64 | ||
1997–2002 | 47.81 | 2.69 | ||
2002–2007 | -54.97 | 3.16 | ||
2007–2012 | 72.90 | 4.18 | ||
2012–2017 | 398.23 | 21.55 | ||
1987–1992 | 10.53 | 0.61 | This study | GA-RF dynamic model |
1992–1997 | 12.35 | 0.72 | ||
1997–2002 | 10.17 | 0.60 | ||
2002–2007 | 11.75 | 0.67 | ||
2007–2012 | 7.84 | 0.45 | ||
2012–2017 | 10.20 | 0.55 |
