There are three parts in this paper . the first part is the research about heavy metals ( hms ) and biological character of edible fungi ; the second part is ecological chemistry during the cultivation of edible fungi ; the third part is that ecological effect of combined pollution for hms in pleurotusostreatus 本论文包括三部分：第一部分为“食用菌类微生物的生物学特征和重金属研究状况” ；第二部分为“食用菌的培养生态化学研究” ；第三部分为“食用菌中重金属复合污染物的生态效应研究” 。
