Variations of plankton under fertilization fur fishfarming in dazeshan reservoir

摘要: Dazeshan Reservoir of Shandong Province is. middle-sized one in which. complex fishfarming, ie, fishculture with artificial fertilization integrated with net cage culture, was conducted. The seasonal variations of species composition, biomass, amount of chlorophyll and dominant species of plankton and the variations of those factors in the summer and autumn of the fertilization cycles in the reservoir in 1988 were reported.