Table 3 Effects of food density, lake and their interaction on the morphometric indices of Brachionus calyciflorus (F value).
From: Morphological differentiation of Brachionus calyciflorus caused by predation and coal ash pollution
Indexes | Lake | Food density | Lake × Food density |
---|---|---|---|
Degree of freedom | 2 | 3 | 6 |
Posterior lateral spine length | 90.28** | 16.54** | 4.29** |
Anterior medial spine length | 96.06** | 32.52** | 2.65* |
Anterior lateral spine length | 45.77** | 39.71** | 5.39** |
Distance between anterior medial spines | 5.68** | 6.16** | 4.29** |
Distance between anterior lateral spines | 7.20** | 54.83** | 4.44** |
Distance between anterior lateral and medial spines | 8.40** | 57.98** | 3.72** |
Dorsal sinus depth | 72.62** | 21.40** | 1.69 |
Head aperture | 17.14** | 36.93** | 1.97 |
Lorica width | 17.48** | 5.80** | 5.50** |
Lorica length | 35.69** | 18.60** | 5.67** |
Egg major diameter | 17.13** | 48.89** | 4.31** |
Egg short diameter | 34.06** | 82.45** | 3.33** |
Egg size | 66.07** | 46.67** | 6.97** |
Body size | 5.98** | 31.11** | 5.64** |