Chenik Lake - Cook Inlet Aquaculture Association, Kenai, Alaska

Appendix 6 (cont’d) Shell Lake 2007 – Macrozooplankton Biomass
Body Size (mm)
Body Size (mm)
Seasonal
Seasonal
Weighted
Weighted
Date 12-Jun 12-Jul 23-Aug 27-Sep 28-Sep Mean Mean Mean Mean
Ergasilus
Epischura
Diaptomus 0.62 1.19 1.17 1.17 1.02 1.03 1.15 47.47 47.47
Ovig. Diaptomus
Cyclops 0.82 0.80 0.74 0.79 0.75 0.78 0.77 369.98 369.98
Ovig. Cyclops 1.16 1.12 1.11 1.13 1.14 7.32 7.32
Bosmina 0.51 0.58 0.49 0.50 0.55 0.53 0.50 21.92 21.92
Ovig. Bosmina 0.60 0.61 0.60 0.60 0.60 4.94 4.94
Daphnia l. 0.77 1.03 0.93 0.86 0.87 0.89 0.90 158.95 158.95
Ovig. Daphnia l 1.10 1.31 1.17 1.16 1.12 1.17 1.16 52.08 52.08
Daphnia r.
Holopedium 0.70 1.03 0.88 0.87 0.72 180.52 180.52
Ovig. Holopedium 1.05 1.12 1.09
Chydorinae
Polyphemus
Site A
Total: 843 843
Site B
Biomass (mg/m 2 )
Body Size (mm)
Body Size (mm)
Seasonal
Biomass (mg/m 2 )
Seasonal
Weighted
Weighted
Date 12-Jun 12-Jul 23-Aug 27-Sep 28-Sep Mean Mean Mean Mean
Ergasilus
Epischura 1.66 1.74 1.70 1.67 26.63 26.63
Diaptomus 0.62 1.08 1.16 0.88 0.94 1.07 54.68 54.68
Ovig. Diaptomus
Cyclops 0.82 0.75 0.76 0.82 0.77 0.78 0.77 400.59 400.59
Ovig. Cyclops 1.08 1.02 1.02 1.04 1.05 6.66 6.66
Bosmina 0.60 0.56 0.50 0.49 0.48 0.53 0.50 54.21 54.21
Ovig. Bosmina 0.60 0.63 0.61 0.58 0.61 0.60 3.33 3.33
Daphnia l. 0.76 0.98 0.92 0.89 0.80 0.87 0.88 87.98 87.98
Ovig. Daphnia l 1.34 1.19 1.30 1.06 1.04 1.19 1.12 21.19 21.19
Daphnia r.
Holopedium 0.65 0.70 0.91 0.85 0.78 0.74 82.67 82.67
Ovig. Holopedium 1.11 1.08 1.05 1.08
Total: 738 738
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