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Table 1 Summary of results of two-way ANOVA considering biological descriptors values

From: Benthic molluscan macrofauna structure in heavily trawled sediments (Thermaikos Gulf, North Aegean Sea): spatiotemporal patterns

Source of variation Species number (S) Abundance (N) N1 N21
Sampling period df = 2 df = 2 df = 2 df = 2
  MS = 0.015 MS = 0.444 MS = 0.035 MS = 0.002
F = 1.447 F = 2.244 F = 0.860 F = 1.876
p = 0.307 p = 0.187 p = 0.469 p = 0.233
Station (Sampling period) df = 6 df = 6 df = 6 df = 6
MS = 0.010 MS = 0.198 MS = 0.041 MS = 0.001
F = 0.681 F = 5.891 F = 2.814 F = 3.143
p = 0.667 p = 0.002* p = 0.041* p = 0.027*
  1. Summary of results of two-way ANOVA considering species number (S), species abundance (N) and Hill’s diversity indices (N1 and N21) for factors sampling period (temporal effect-three levels: prior to trawling period, 30 and 120 days after intense bottom trawling period) and station (spatial effect-three levels: station IP-10, IP-17 and IP-38) (asterisk denotes statistically significant results).