Projected Changes of Grassland Productivity along the Representative Concentration Pathways during 2010–2050 in China

Table 1

Summary of the variables used in this study.

Variable	County number	Max	Mean	Min	Description
NPP	1669	1386	439	1.07	gc/m^2, net primary productivity
Ta	1669	25.55	12.60	−4.81	°C, temperature
Rain	1669	2846	926.90	19.46	Mm, precipitation
Sun	1669	975.97	762.64	475.66	Hour, sunshine duration
Soil_n	1669	0.96	0.25	0.05	Percentage of soil n
Soil_p	1669	0.25	0.13	0.02	Percentage of soil p
Dem	1669	2832	732	128	Meter, elevation
Splain	1669	0.42	0.28	0.01	Percentage of plain area
pop	1669	179	43	2	Ten thousand people, Population
Gdp1	1669	1.53	0.18	0.05	Percentage of GDP of the primary industry
Meat	1669	14670	3850	650	Ton, beef, and mutton