S_ANPP

Scenarios

S_PNPP

S_HNPP

Relative role of climate change (%)

Relative role of human activities (%)

Grassland restoration (S_ANPP > 0)

Scenarios 1

<0

<0

0

100

Scenarios 2

>0

>0

100

0

Scenarios 3

>0

<0

$\frac{\Delta \text{PNPP}}{\Delta \text{PNPP}+\Delta \text{HNPP}}\times 100$

$\frac{\Delta \text{HNPP}}{\Delta \text{PNPP}+\Delta \text{HNPP}}\times 100$

Scenarios 4

<0

>0

Error

Error

Grassland degradation (S_ANPP < 0)

Scenarios 5

>0

>0

0

100

Scenarios 6

<0

<0

100

0

Scenarios 7

<0

>0

$\frac{\Delta \text{PNPP}}{\Delta \text{PNPP}+\Delta \text{HNPP}}\times 100$

$\frac{\Delta \text{HNPP}}{\Delta \text{PNPP}+\Delta \text{HNPP}}\times 100$

Scenarios 8

>0

<0

Error

Error