Appendix C (Table C1). A statistical table for the two-way ANOVA on the effects of crab predation and habitat on urchin mortality rate.
Source df MS F P Predation 1 0.022 63.220 <0.001 Habitat 2 0.005 15.289 <0.001 Predation × Habitat 2 0.005 13.472 <0.001 Error 35 0.00035 Note: N = 7, except n = 3 and n = 5 for the crab/Codium and crab/mussel treatment combinations, respectively.