The environment of Dongting Lake is becoming more and more deteriorative,and the ecological events are increasing seriously.This software can warn,record and publish ecological events which is opened by public.It is of great importance in collecting and forecasting information of ecological event.This software uses the advanced technology of information,such as RIA,WebService,SuperMap iServer Java 6R,SuperMap iClient for Flex and so on.It is designed by three levels and three functional modules.The three levels are data storage,server and client,and the three functional modules are publishing ...