Dear colleagues

I wanted to analyse the variation of floristic 
composition on time. I have sampled 3 forests 
monthly during a year with 4 plots in each. I 
have environmental variables also monthly 
measured and I would like to determine with env 
variables have more contribution for the monthly 
variation of  the floristic composition during the year.
This would be like CCA along time (?) I would 
like to know if there is any package to do this.

Thanks

Patricia Rodríguez González
Departamento de Engenharia Florestal
Instituto Superior de Agronomia
Tapada da Ajuda 1349-017
Lisboa, Portugal 
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