Call:
procrustes(X = env_pca, Y = otu_pca, symmetric = TRUE) 

Number of objects: 15    Number of dimensions: 2 

Procrustes sum of squares:  
 0.8297652 
Procrustes root mean squared error: 
 0.2351971 
Quantiles of Procrustes errors:
       Min         1Q     Median         3Q        Max 
0.01632173 0.11774804 0.19942385 0.28736927 0.38594520 

Rotation matrix:
            [,1]        [,2]
[1,] -0.01234012  0.99992386
[2,] -0.99992386 -0.01234012

Translation of averages:
              [,1]         [,2]
[1,] -9.966114e-19 2.924817e-18

Scaling of target:
[1] 0.4125952