The seasonal concentration changes of selected heavy metal Cd, Cr, Cu, Fe, Mn, Pb, and Zn in five tissues of marine gast......

为了探索人工养殖的方法,在实验室温箱条件下对瘤背石磺(Onchidium struma)的摄食条件及适口饵料进行了研究.试验结果表明,瘤背石......