中文摘要：

以2002年1-12月江苏省MODIS数据、空间分辨率为300 mGlobcover全球土地覆盖数据、CRU TS 2.1全球气候数据库为主要信息源,采用CASE气候生产力模型,以ArcGIS 9.2为分析平台,对江苏省2002年植被净生产力（NPP）的时空及地区分布进行研究。结果表明,江苏省2002年NPP为316.700 Mt·a^-1,6月中旬至9月中旬NPP值占全年71.9%,第4季度仅占5.5%。NPP空间分布趋势总体呈现从西向东递减的趋势。按地区分布,2002年江苏植被净初级生产力最高城市为南京,平均值为403.501 Mt·a^-1,最低为连云港,平均值为274.672 Mt·a^-1。NPP与太阳总辐射、温度、降水量的关系密切,相关系数分别为0.852、0.931、0.907。

英文摘要：

MODIS images from January to December in 2002,global land cover dataset and global climate dataset of CRU TS 2.1 were gathered to estimate spatial,temporal and regional distribution of vegetation net primary productivity in Jiangsu Province based on CASE climate productivity model and ArcGIS 9.2 platform.The total vegetation NPP in 2002 was 316.700 Mt ·a^-1,in which NPP of mid-June to mid-September and 4th quarter comprised 71.9%,5.5% respectively.From viewpoint of spatial distribution,NPP decreased from west to east.Calculated by cities,Nanjing showed the largest NPP value,with the value 403.501 Mt ·a^-1,whereas Lianyungang had the least value of 274.672 Mt ·a^-1.The influence of total solar radiation,temperature and precipitation on NPP was obvious,with correlation coefficients of 0.852,0.931 and 0.907,respectively.