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Table 2 ANCOVA of benthos abundance depending on water depth, cruise and median diameter of sand grains (sediment md); all sampling periods except cruises Oland A and B

From: The seaward limit of wave effects on coastal macrobenthos

Effect Sum of squares df Mean square F p η²
Constant 1,849.82 1 1,849.82 8,437.32 0.0000 0.5892
Water depth 147.34 1 147.34 672.03 0.0000 0.0469
Sediment md 52.75 1 52.75 240.59 0.0000 0.0168
Cruise 271.92 12 22.66 103.36 0.0000 0.0866
Error 817.55 3,729 0.22    0.2604
  1. Cruise represents both temporal effects (year and month of sampling) and deviations in the number of sampled stations (see Table 1). Model multiple R² = 0.4268