5Cramer W, Field C B. Comparing global models of terrestrial net primary productivity(NPP) : Introduction[J]. Global Change Biology, 1999, 5: 3-4.
6Euskirchen E S, Chen J, Li H, et al. Modeling landscape net ecosystem productivity (LandNEP) under alternative management regimes[J]. Ecological Modelling, 2002, 154: 75-91.
7Matsushita B, Tamura M. Integrating remotely sensed data with an ecosystem model to estimate net primary productivity in East Asia[J]. Remote Sensing of Environment, 2001, 81; 58-66.
8Ruimy A, Saugier B. Methodology for the estimation of terrestrial net primary production from remotely sensed data[J]. Journal of Geophysical Research, 1994, 99: 5263-5283.
9Field C B, Behrenfeld M J, Randerson J T, et al. Primary production of the biosphere: integrating terrestrial and oceanic components[J]. Science, 1998, 281: 237-240.
10Cramer W, Kicklighter D W, Bondeau A, et al. Comparing global models of terrestrial net primary productivity(NPP) : Overview and key results[J].Global Change Biology, 1999, 5(Suppl. 1): 1-15.
