For the MODNPP model, NPP for the grasslands is significantly (p < 0.05) different from other land cover types while there are no significant (p > 0.05,One-Way ANOVA, Tukey HSD Post Hoc Comparison) differences in NPP among the deciduous forest, mosaic vegetation and crop land, and the shrub land. Nevertheless, our MODNPP is significantly(p < 0.000, One-Way ANOVA, Tukey HSD Post Hoc comparison)lower in grasslands and zero in water bodies compared with other land cover types.