covariance - ANOVA output incorrect -


i'm working through large dataset include different trawl sites , species abundance , biomass. i'm trying run anova each site looking @ abundance factor of biomass (i'm trying find significance of sediment type on biodiversity). far, has worked me on 1 site i'm getting following result:

  laov<-(abundance~biomass) > summary(laov)  length   class    mode        3 formula    call

can point me in right direction please? i'm still getting head around r gentle me! also, other advise on tests might interesting run data appreciated! thank you.


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