全球变暖及陆地生态系统研究中的野外增温装置.pdf

2007, 1 ( 2)262~ 271 J ournal of Pla nt Ecology ( Chinese Version) 牛书丽 韩兴国 马克平 万师强* ( , 100093) ( ) 200.6 e , 1. 4~ 5. 8 e , , ,, , ; FIELD FACILITIES IN GLOBAL WARMING AND TERRESTRIAL ECOSYSTEM RE- SEARCH * NIU ShuOLi, HAN XingOGuo, A KeOPing, andWAN ShiOQiang L aboratory of Quantitative Vegetation Ecology , Institute of Botany , Chinese Academy of Sciences , Bejiing, 1 93, China Abstract Enrichment of atmosphericgreenhousegases resultedfrom human activities such asfossil fuelburn- ing and deforestation has increased global mean temperature by 0.6 e in the20th century and is predictedto increase it by 1.4- 5.8 e in this century. The unprecedented global warming will have profound longOterm impacts onterrestrial plants and ecosystems. Responses of terrestrial plants and ecosystems to global warming may feedback to climate changevia ecosystem and global carbon cycling. As oneof themajormethodology in global change research, ecosystem warming studies canfacilitatemodel projections onpotential changes inter- restrial biomes interms of parameterization andvalidation. The difficulty in comparing and integrating the re- sultsfromvarious ecosystems manipulatedwith different warming facilities exacerbatedtheuncertainties of mod- el prediction. In this paper, field facilities in simulating climatewarming and their potential applications in different terrestrial biomeswere discussed. Critical scientific questions that could be addressed by ecosystem warming studieswere proposed. Key words global warming, warmin