Hi, I'm doing the redundance analysis as a method of ordination between
spawning of the species and environmental variables. Anyone know how I
can do to get in the summary of the RDA the correlation coefficient
among environment variables, species axes and environmental axes results
estimates by RDA and the eigenvalues species-environment correlations?.

 

The summary of the results is a follows: 

 

rda(formula = o94d ~ LAT + DEP + BT + BS, data = o94amb) 

 

Partitioning of variance:

              Inertia Proportion

Total           34.02     1.0000

Constrained     15.68     0.4608

Unconstrained   18.34     0.5392

 

Eigenvalues, and their contribution to the variance 

 

Importance of components:

                       RDA1  RDA2   RDA3    RDA4    PC1   PC2    PC3
PC4

Eigenvalue            8.802 5.269 1.2944 0.31237 12.395 4.244 1.4389
0.26612

Proportion Explained  0.259 0.155 0.0380 0.00918  0.364 0.125 0.0423
0.00782

Cumulative Proportion 0.259 0.414 0.4516 0.46082  0.825 0.950 0.9922
1.00000

 

Accumulated constrained eigenvalues

Importance of components:

                       RDA1  RDA2   RDA3   RDA4

Eigenvalue            8.802 5.269 1.2944 0.3124

Proportion Explained  0.561 0.336 0.0826 0.0199

Cumulative Proportion 0.561 0.898 0.9801 1.0000

 

Scaling 2 for species and site scores

* Species are scaled proportional to eigenvalues

* Sites are unscaled: weighted dispersion equal on all dimensions

* General scaling constant of scores:  5.042283 

 

Species scores

 

      RDA1   RDA2    RDA3     RDA4    PC1     PC2

M3  0.1663 1.0562  0.8180 -0.06961 0.7301  0.9791

M4  0.8250 0.5681 -0.3464 -0.40149 2.9133 -0.4780

F3  0.9352 1.3350 -0.3613  0.25542 0.1950  0.8212

F4 -2.2350 0.8469 -0.2182 -0.04651 0.4522  1.1445

 

Site scores (weighted sums of species scores)

 

          RDA1     RDA2     RDA3   RDA4     PC1     PC2

row1  -0.70546 -4.22250  1.70901 -2.079 -0.5497 -1.3136

row2  -1.89230  0.54262  1.07748  2.770 -0.3301  0.9275

row3  -0.66397  1.88820 -1.74615 -8.931  1.4330 -0.2220

row4  -1.33238  1.81943 -1.43053 -7.194  1.5267  0.6060

row5  -2.20359  2.01794  0.78675  4.468 -0.6095  2.2199

row6   0.82035  0.28779  1.52284  7.599 -1.5079  0.8962

row7   2.30345  2.40179 -1.71865 -9.969  2.0594  0.5384

row8   0.86742  0.60806  2.31158  7.468 -1.4725  0.1074

row9  -1.28589  0.41614 -1.07851 -3.590  0.7523 -0.3087

row10 -1.48123 -0.40406 -0.01022  3.213 -0.5515 -0.3020

row11 -1.50553  0.52476  0.52801  4.013 -0.5075  0.7366

row12  0.59648 -0.34428  1.68038  6.109 -1.1731 -1.0116

row13  1.82610  1.56813 -0.61041 -7.409  1.1714 -0.4973

row14  1.29970  0.03550 -1.38170 -6.402  0.8202 -1.7154

row15  0.07678 -3.27403 -4.36803  6.114 -1.5172 -1.0337

row16  0.24035 -1.76434  0.11265  4.720 -1.2582 -1.7237

row17  0.94059 -0.64233 -0.65001 -4.920  1.1096 -1.2474

row18  0.33273 -1.09679  1.83153  4.372 -0.2136  0.4327

row19  0.56156 -0.58454  1.08358  6.212 -0.4654  2.3003

row20  1.20484  0.22250  0.35039 -6.565  1.2836  0.6103

 

Site constraints (linear combinations of constraining variables)

 

         RDA1     RDA2     RDA3    RDA4     PC1     PC2

row1  -0.9635 -2.81194  1.48817 -2.9779 -0.5497 -1.3136

row2  -1.8966  0.03195 -0.39296 -0.4005 -0.3301  0.9275

row3  -0.5642  1.11073  0.03357 -0.5212  1.4330 -0.2220

row4  -1.3645  0.19794  0.17985 -0.3343  1.5267  0.6060

row5  -0.8322  1.11017 -0.14749 -0.1991 -0.6095  2.2199

row6   1.6756  0.80269  1.53150 -1.5819 -1.5079  0.8962

row7   1.2179  0.13598 -1.40689 -1.4946  2.0594  0.5384

row8   0.9793  1.61054  0.51062 -0.3575 -1.4725  0.1074

row9  -1.5338  0.04533 -0.18171  0.5128  0.7523 -0.3087

row10 -1.5044  0.20889 -0.20237  0.5658 -0.5515 -0.3020

row11 -1.1859  0.38205 -0.19659  0.5090 -0.5075  0.7366

row12 -0.1441  1.06258  0.15428  0.3041 -1.1731 -1.0116

row13  1.1656  1.01427 -0.89309 -0.5333  1.1714 -0.4973

row14  0.9611  0.72606  0.92183  0.1464  0.8202 -1.7154

row15  0.5226 -1.25758 -3.84369 -0.1065 -1.5172 -1.0337

row16  0.3559  0.58997  0.24449  1.1045 -1.2582 -1.7237

row17  0.1447 -0.69520  0.88492  1.6870  1.1096 -1.2474

row18  0.1341 -1.37381  0.96413  2.1377 -0.2136  0.4327

row19  1.3940 -1.89245  0.06889  0.9057 -0.4654  2.3003

row20  1.4385 -0.99817  0.28253  0.6338  1.2836  0.6103

 

Biplot scores for constraining variables

 

       RDA1      RDA2     RDA3    RDA4 PC1 PC2

LAT  0.5368 -0.436791  0.03689  0.7209   0   0

DEP  0.6304 -0.349567 -0.65360 -0.2306   0   0

BT  -0.9311  0.008775  0.20607 -0.3008   0   0

BS   0.5165 -0.393629 -0.05985 -0.7581   0   0

 

These results do not appear  the correlation coefficient among
environment variables, species axes and environmental axes and 

the eigenvalues species-environment correlations.

 

best regards

 

Oscar

 

 


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