RELATIONSHIPS BETWEEN THE SURVIVING ONCOMELANIA AND BEACHES ENVIRONMENTAL FACTORS Effects of environmental factors at different altitudes on leaves and fruit quality of Fuji apple. Trunk sap flow dynamic changes in response to the slopes of plantation of Toona ciliata var. pubescens. STUDY ON THE REPRODUCTIVE BIOLOGY OF HEMIAULUS SINENSIS GREVILLE: Ⅰ. CELL DIVISION AND ENVIRONMENTAL FACTORS