STUDIES ON THE ECOLOGICAL GEOGRAPHIC DISTRIBUTION AND SYNECOLOGICAL CHARACTERISTICS OF ELAEAGNUS MOLLIS SCRUB IN SHANXI PROVINCE
山西翅果油树灌丛的生态地理分布和群落学特征

Elaeagnus mollis is in the second grade protection in China. It is endemic to China. E. mollis scrub in lower mountain and loess-hill areas of southwest Shanxi province develop perfectly under a special ecological environment. The geographical elements, dominated by temperatical ones, are complex. The community possesses the physiognomy and structure of the warm-temperate deciduous broad-leaved shrubland. Analysis shows that E. mollis scrub in the preserve are a wellpreserved and precious communities with various typical structural types. According to the integration of importance value and other characteristics of shrub layer and herb layer, this paper has described 8 associations. At the end of this paper, the authors also proposed same proposals ways exploit, utilize and protect the E. mollis scrub.