[R-sig-eco] variation partitioning significane test vegan

[Migun Shakya]

Hi all,
I was just wondering if somebody had a chance to think about this. Let
me know if it is confusing (it can be the way i wrote it), I will try
to clarify it.

Thanks

Migee

On Fri, Aug 31, 2012 at 5:36 PM, Migun Shakya <microbeatic at gmail.com> wrote:
> Hi all,
> A general question on the use of capscale for partition of variance.
>
> I have used capscale to explain the variation in a soil microbial
> community into different measured parameters. However, none of the
> test (anova.cca) that i ran to check for the significance of
> constraints are significant. Does that mean that the variation
> explained are not relevant and should not be used to deduce any
> conclusions?
>
> Here is what i did:
>
>> FullRDA<-capscale(UNI.UNW.MAT ~A+B+C+D+Latitude+Longitude, comm=OTU,envbac)
>> anova.cca(FullRDA)
>
>> EnvRDA<-capscale(UNI.UNW.MAT ~ A+B+Condition( C+D+Latitude+Longitude), comm=OTU,envbac)
>> anova.cca(EnvRDA)
>
>> SoilRDA<-capscale(UNI.UNW.MAT ~  C+D+Condition(A+B+Latitude+Longitude), comm=OTU,envbac)
>> anova.cca(SoilRDA)
>
>> GeoRDA<-capscale(UNI.UNW.MAT ~ Latitude+Longitude+Condition(A+B+C+D), comm=OTU,envbac)
>> anova.cca(GeoRDA)
>
>> GenRDA<-capscale(UNI.UNW.MAT ~ gen$vectors+Condition(BasalArea + BaseTree+ProximalTrees+RiverDistance+ TreeToSample+ Ca+Moist+Mn+Zn+pH1+K+Month+Latitude+Longitude), comm=RHIZOTU,envbac)
>> anova.cca(GenRDA)
>
>
>
> I hope the question itself is not as much as the answer.
>
> Migee