The carbon and water cycles play an important role in ecosystem functioning and are linked to each other through different physical and biological processes. The hydroclimatic disturbances such as droughts affect both hydrological as well as the ecological processes.
In the course of analysis and preparation of estimates of income originating from agriculture in the Central Statistical Office, a large body of data has been generated over the years which will be useful to research workers, government departments and other agencies. It has not been possible to include all these details in the National Accounts Statistics. A need has been felt for a publication which gives a long time series of data on gross value of output both at current and constant prices in one place.