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Table 2

Comparison of dominant Cladocera digestive tracts and their content.

  Stage I  Stage II  Stage III



2010 2011 2010 2011 2010 2011
Number of empty digestive tracts 32 37 44 77 37 37
Number of filled digestive tracts 104 151 208 185 173 72
Number of identified algal cells 165 306 95 86 181 35
Number of unidentified particles 176 518 773 1087 1192 430

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