• The enigma of Daphnia death rates 

      Prepas, Ellie; Rigler, F.H. (American Society of Limnology and Oceanography, 1978)
      Birth rates, rates of population change, and mortality rates were computed for Daphnia pulex and Daphnia rosea collected at three separate stations in 2.5-ha meromictic Crawford Lake. Birth and death rates for the same ...
    • Sugar-Frosted Daphnia: an improved fixation technique for cladocera 

      Prepas, Ellie (American Society of Limnology and Oceanography, 1978)
      Egg loss by preserved Daphnia was reduced from 35% to 10% by use of a chilled, as opposed to warm, solution of sucrose and Formalin.