一、取材 (1)微囊藻(Microcystis sp.),属蓝藻门,色球藻目。为多细胞不定群体,细胞球形或椭圆形,具假液泡。常生活在营养盐类较多的水体中,在春秋季大量繁殖时使水呈铜绿色并能形成水华。用25号浮游网在水体表层拖取。(2)颤藻(Oscillatoria sp.),属蓝藻门、颤藻目。藻体单列细胞圆柱状,藻丝单独或结成大小不定的团块漂浮于水面。常生活于有机质较多的各种水体中、春夏秋均可采到。(3)实球 First, drawn (1) Microcystis sp., Is a cyanobacteria door, Chroococcaceae. As a multicellular indefinite population, spherical cells or oval, with false vacuoles. Often living in water with more nutrients, the water is copper-green and forms bloom when it multiplies in spring and autumn. Use 25 # floating net in the surface of the water drag. (2) Oscillatoria sp., Belongs to the cyanobacteria door, Oscillatoriaceae. Cylindrical algae single cells, algae silk alone or formed in the size of the clumps floating in the water. Often living in a variety of organic matter more water, spring summer autumn can be taken. (3) the real ball