水產(chǎn)養(yǎng)殖水質(zhì)調(diào)控ppt課件-文庫吧資料
2025-01-24 16:13本頁面
【正文】 factors affecting water quality ? Chemistry: 工業(yè)，農(nóng)業(yè)，人為活動 ? Biology: ， PH of water quality control 養(yǎng)殖水體水質(zhì)調(diào)控方法 control ? Use chemicals to control PH and toxic (有毒） gas. Physical control bottom layer quality ?改善底質(zhì) resource treatment ?水源處理 exchange or refill ?更換或補充新水 Biological control生物控制 ? Increse useful zoonplankton through artificial culture. ? Microecologics微生態(tài)制劑 ? Photosynthetic bacteria光合細菌 ? Higher aquatic plants水生植物 Biological control of water quality ? 養(yǎng)殖水體水質(zhì)生物調(diào)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 phenomeno
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