Three-factor partially nested ANOVA models were employed to determine significant differences in the percent volume of trapped sediments within three distinct size classes (<10 μm, 10–100 μm, and >100 μm) (Factors: (1) Month (fixed factor)—6 months, (2) Shelf (fixed factor)—3 shelf locations, (3) Sites nested within Month×Shelf (random factor)—2 sites per shelf location). Data for the <10 μm and >10 μm size classes were arcsine square root transformed to meet the assumptions of ANOVA (Underwood, 1981). Significant differences were interpreted using Tukey's HSD multiple comparisons test (Quinn and Keough, 2002). Furthermore, planned contrast analyses were also carried out to determine seasonal differences in the percent volume of trapped sediments within the three distinct size classes. Due to multiple testing, a Bonferroni transformed experiment-wise α=0.0166 was employed to reduce type 1 error rates ( Quinn and Keough, 2002).
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