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. 2014 Sep 23;5:493. doi: 10.3389/fmicb.2014.00493

Table 2.

Results of separate distance-based linear model (DistLM), with forward procedure, fitting viral abundance (VA), low nucleic acid viral V1 subset abundance, medium nucleic acid viral V2 subset abundance, high nucleic acid viral V3 subset abundance and viral production (VP) against biotic and abiotic variables.

Response variables Factors Predictors Pseudo-F p Proportional Cumulative
Spatial
VA Biotic BA 4.82 0.04 0.24 0.24
Abiotic SRP 9.15 0.01 0.38 0.38
DIN 3.74 0.06 0.13 0.51
V1 Biotic Prochl 3.36 0.06 0.18 0.18
LNA 4.65 0.04 0.21 0.39
Abiotic SRP 7.35 0.01 0.33 0.33
DIN 3.76 0.06 0.14 0.47
V2 Biotic HNA 5.59 0.03 0.27 0.27
Abiotic SRP 7.87 0.02 0.34 0.34
V3 Biotic APP 8.69 0.02 0.38 0.38
Abiotic SRP 2.19 0.17 0.13 0.13
VP Biotic BA 3.81 0.06 0.28 0.28
Abiotic SRP 2.19 0.17 0.18 0.18
Temporal
VA Biotic PA 3.63 0.08 0.32 0.32
Abiotic SRP 6.43 0.04 0.45 0.45
V1 Biotic Syn 2.30 0.09 0.21 0.21
Abiotic DIP 5.03 0.06 0.39 0.39
V2 Biotic LNA 4.30 0.07 0.35 0.35
Abiotic SRP 8.18 0.03 0.51 0.51
V3 Biotic APP 3.04 0.10 0.22 0.22
Syn 4.01 0.05 0.29 0.50
Abiotic SRP 6.18 0.04 0.44 0.44
VP Biotic PA 3.54 0.09 0.28 0.28
Abiotic SRP 8.85 0.02 0.50 0.50
DIN 10.41 0.01 0.28 0.78

The analyses were conducted separately for biotic and abiotic variables as well as for samples collected along four cross-reef transects and during the time-series in the Oponuhu Bay. Pseudo-F and p-values were obtained by permutations (n = 999). P-values at a significance level of 0.05 are in bold. Proportional and cumulative percentages of variance are also reported. BA, bacterial abundance; LNA, low nucleic acid bacteria; HNA, high nucleic acid bacteria; SRP, soluble reactive phosphorus; DIN, dissolved inorganic nitrogen; PA, phytoplankton abundance; APP, autotrophic picoplankton; Syn, Synechococcus; Prochl, Prochlorococcus.