COMPOSITION FOR CONTROLLING DIATOM BLOOM AND METHOD THEREOF

摘要

PURPOSE: A composition for controlling Bacillariophyceae containing freshwater mussels and/or Chineses mystery snail is provided to effectively suppress Baacillariophyceae in lake and river. CONSTITUTION: A composition for suppressing Bacillariophyceae contains mixture of freshwater mussels or Chineses mystery snail as an active ingredient. The freshwater mussels is Unio douglasiae and Chineses mystery snail is Cipangopaludina chinese malleata. The Bacillariophyceae is Synedra ulna, Scenedesmus sp., Chroococcus turgidus, Ankistrodesmus falcatus, Diatoma vulgare or Stephanodiscus hantzschii. The Bacillariophyceae is suppressed by treating the mixture to lake or river for 1 to 7 hours.