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Table 2 Summary table for the nested ANOVAs done for species richness, diversity, and evenness

From: Species richness and diversity across rocky intertidal elevation gradients in Helgoland: testing predictions from an environmental stress model

Source of variation df MS F P
Richness
 Elevation 2 11.16 42.95 4 × 10−11
 Shore 2 8.67 64.13 10−7
 Elevation × shore 4 0.57 2.20 0.084
 Site (shore) 15 0.15 1.13 0.337
 Transect (site (shore)) 9 0.12 0.92 0.510
 Site (shore) × elevation 30 0.31 2.32 0.001
 Transect (site (shore)) × elevation 12 0.21 1.53 0.092
 Error 108 0.14   
Diversity
 Elevation 2 0.07 3.52 0.042
 Shore 2 0.57 33.53 10−4
 Elevation × shore 4 0.15 7.89 2 × 10−4
 Site (shore) 15 0.03 1.62 0.080
 Transect (site (shore)) 9 0.02 1.15 0.336
 Site (shore) × elevation 30 0.02 1.09 0.360
 Transect (site (shore)) × elevation 12 0.02 0.93 0.520
 Error 108 0.02   
Evenness
 Elevation 2 3.96 21.16 3 × 10−7
 Shore 2 0.89 8.46 4 × 10−4
 Elevation × shore 4 0.24 1.26 0.299
 Site (shore) 15 0.12 1.14 0.330
 Transect (site (shore)) 9 0.13 1.27 0.263
 Site (shore) × elevation 30 0.22 2.11 0.003
 Transect (site (shore)) × elevation 12 0.15 1.47 0.114
 Error 108 0.11