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Table 1

Multivariate distance matrix regression between species composition and environmental and temporal variables.

  F model R2 Pr(>F)
pH 7.071 0.082 0.0001a
Electrical conductivity 1.401 0.016 0.183NS
Turbidity 1.781 0.021 0.078NS
Total dissolved solids 2.09 0.024 0.049b
Water temperature 0.671 0.007 0.698NS
Dissolved oxygen 3.364 0.039 0.005c
PCNM 1 2.535 0.029 0.022b
PCNM 2 2.704 0.031 0.018b
PCNM 5 2.605 0.03 0.021b

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