Skip to main content

Table 4 Spatial differences in the biomass of the most important functional groups at the scales of area, location and site (ANOVA; significance level P < 0.05)

From: Spatial variability in intertidal macroalgal assemblages on the North Portuguese coast: consistence between species and functional group approaches

Source Area df = 1 Location (Re) df = 8 Site (Lo (Re)) df = 20 Residual df = 60
MS F P MS F P MS F P MS
Corticateda 48.532 0.660 0.439 73.206 0.990 0.472 73.882 1.740 0.051 42.357
Articulated calcareousa 251.904 3.080 0.118 81.897 2.05 0.092 39.925 0.88 0.615 45.5386
Foliose 22.851 5.960 0.041 3.837 1.14 0.379 3.359 1.13 0.343 2.964
Cochran’s C-test 0.323ns          
Corticated filamentousa 2.346 6.10 0.039 0.385 1.07 0.423 0.360 1.08 0.391 0.333
  1. aVariances heterogeneous