Table 7.

Virtual water import and water availability of sub-regions in China in 1999.

	net virtual water import within China (109 m3 yr−1)	net virtual water import from outside China (109 m3 yr−1)	net virtual water import (109 m3 yr−1)	net virtual water import per capita (m3)	water availability per capita (m3)
north-central	14.1	6.3	20.4	375	369
Huang-huai-hai	−39.9	−8.8	−48.7	−157	532
northeast	−25.8	−6.5	−32.3	−249	1568
northwest	0.0	1.2	1.2	14	2487
north	−51.6	7.8	−59.4	−102	1047
Yangtze	−10.2	−0.5	−10.7	−45	1821
southeast	25.8	7.7	33.5	361	2976
south-central	25.8	8.0	33.8	265	3143
southwest	10.2	1.8	12.0	61	5496
south	51.6	17.0	68.6	104	3347
national total	0	9.2	9.2	7	2234