全球气候变化及对农业的影响  

The Global Climate Change and its effect on Agriculture

作　　者：张金屯[1] 

机构地区：[1]山西大学黄土高原研究所

出　　处：《环境与开发》1999年第4期5-9,共5页Environment and Exploitation

基　　金：山西省自然科学基金;山西省留学基金

摘　　要：大气中温室气体的浓度在逐渐升高，预计２０３０ 年ＣＯ２ 浓度将加倍．温室气体产生温室效应，会使大气升温，全球平均降水增加，海平面升高等，这些变化对全球农业将产生深刻影响．作物光合作用会增强，但农产品质量可能下降；土壤水分有效利用率将发生变化；农作物分布区域和面积将有大幅度变更；灾害性天气可能会增加；农业病虫害因气温升高可能会扩大危害；海平面升高会淹没一些土地，并使盐渍化扩大．农业是与人类关系最为密切的产业，全球气候变化的农业后果研究尚需进一步加强．The concentration of green-house gases is increasing and CO 2 will be doubled in 2030. The effects of green-house due to green-house gases,will increase the mean temperature,mean precipitation on the earth,and will rise in sea level. All these changes will affect agriculture significantly.The rate of photosynthesis of crop plants will go up,but the yield quality under a doubling CO 2 may decrease.Soil water use by plants may change.The distribution and areas of crops will move toward the north.The effects of drought,heat stress,storms,severe forsts etc.will increase.The distribution and intensity of harmfulness of agricultural pests and disease to the crops may be extended.Some low-lying croplands may be loss through the inundation amd may increase salinty of coastal groundwater due to the higher sea level.Agriculture is the most closely related to human living,the consequent effects of global climate change on agriculture need further study in future.

关 键 词：温室效应 全球变化 农业影响 气候变化 大气污染 

分 类 号：X16[环境科学与工程—环境科学] X510.323.1