水產養(yǎng)殖水質調控ppt課件(完整版)
【正文】 plants水生植物 Biological control of water quality ? 養(yǎng)殖水體水質生物調控措施 Obsercation of color and transparency水色和透明度觀察 ——“看水” ? The fisherman observe the pond water mainly about漁民看水主要依據(jù) 1. water color (water expression)水色 (水華 ) （ 1） The relationship between water color and plant plankton （ Table11） Pigment Color Algae chlorophyll green green algae, euglena yellow pigment yellow, yellowbrown diatom, golden algae, dinoflagellate, Cryptomanas phycobilin leucocyan blue, bluegreen blue algae rhodophyll purple blue algae （ 2） Water color (water expression) in rich water肥水“水華”類型 The phenomenon that the water shows evident color owing to the mass propagation of plant plankton is call water expression. It can be divided into the follow types according to its apperance （ Table12） : Type of water expression Water appearance The position of algae Water evaluation solution nonflagellate even and stable stable water cloudiness flagellate lightand shade good water but with the danger of going bad membranaceous blue algae with
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