Based on the classification of Holdridge’s Life Zone on climate-vegetation relationship and the support of Geo-information system

the basic patterns of Holdridge’s Life Zone in China under the current climate regime were studied in the first part of this paper

then the changes of spatial pattern

area and spatial distribution of Holdridge’s Life Zone of China were brought forward under 2×CO 2 scenarios based on simulating results of GCMs such as GFDL

GISS and OSU.It is possible that the available atea for forestry should tend to decrease in result that boreal moist forest in North China area are shrank westward

but boreal rain forest and cool temperate rain forest in Southwest China are expanded By the comparison of patterns between Holdridge’s life zone and China’s current vegetation

the author considers that there are some problems from naming of life zone and limiting of climatic indexes so that the patterns of Holdridge’s life zone are different from one of China’s vegetation Therefore

with the use of Holdridge’s Model

the modification to the model will be necessary according to the real natures of the researched region In addition

it is suggested that the connections of Geo-information system and thematic models should improve the development of global change studies