早在19世纪,不少学者已研究了关于动植物有机体中微量元素的含量,同时,微量元素对水生生物的影响也早已为中外学者所重视。在生物体呼吸色素、维生素、激素、酶及其它参与调节生活过程的有机物质成分中,都有许多种微量元素。它在生命活动过程中有着特殊的作用,它影响着生物体的新 As early as the 19th century, many scholars have studied the content of trace elements in animal and plant organisms, meanwhile, the impact of trace elements on aquatic organisms has long been valued by Chinese and foreign scholars. There are many trace elements in organisms that breathe pigments, vitamins, hormones, enzymes and other organic substances that are involved in regulating life processes. It plays a special role in the process of life activities, it affects the new organism