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Table 3 ANCOVA of benthos abundance in the years 2006 and 2007 with three sampling periods each (July, August and September)

From: The seaward limit of wave effects on coastal macrobenthos

Effect Sum of squares df Mean square F p η²
Constant 258.498 1 258.498 1,150.86 0.0000 0.3096
Depth 139.473 1 139.473 620.95 0.0000 0.1671
Year 25.243 1 25.243 112.38 0.0000 0.0302
Month 14.388 2 7.194 32.03 0.0000 0.0172
Year × month 2.653 2 1.326 5.91 0.0028 0.0032
Error 394.646 1,757 0.225    0.4727
  1. Model multiple R² = 0.3097