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Table 3
RDA results for ecological index and environmental parameter relationships in Zhushuqiao Reservoir. Note, because RDA is a constrained ordination analysis, it cannot provide loadings for single variables.
| Axes | λ 1 | λ 2 | λ 3 | λ 4 | Total variance |
|---|---|---|---|---|---|
| Eigenvalues | 0.949 | 0.002 | 0.000 | 0.040 | 1.000 |
| Ecological indices-environment correlations | 0.980 | 0.605 | 0.310 | 0.000 | |
| Cumulative percentage variance | |||||
| Ecological indices data | 94.9 | 95.2 | 95.2 | 99.2 | |
| Ecological indices-environment relations | 99.7 | 100.0 | 100.0 | 0.0 | |
| Sum of all eigenvalues | 1.000 | ||||
| Sum of all canonical eigenvalues | 0.952 |
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