The data file consists of zooplankton density for lake N-1 for 1989. The sampling site was near the middle of the north basin of the lake. The samples were taken with a 30 cm diameter plankton net with 335 um mesh plankton netting. The entire sample was surveyed for the 3 large species- D. middendorffiana, Heterocope, and Holopedium. All of the samples were counted and enumerated by Sun Yong.
None come to mind.
Variable Variable descrip. Data is given in replicates so that means and variance still must be calculated.