Career
He was a forerunner in developing a methodology for vegetation survey. He emphasized the physiognomy of vegetation and paid less attention to its ecology. His ideas were much-followed in Sweden, making him the real father of the "Uppsala school" in plant sociology.
Ragnar Hult was the first (1881) to publish a comprehensive study of ecological succession as it is taking place in a given region.
He was the first to recognize that a relatively large number of pioneer plant communities give way to a comparatively small number of relatively stable communities.