Table 2 Results of the MANOVA testing for the effect of site (10 sites), season (winter, summer and fall) and period (pre- and post-invasion) (and their three-way interaction) as well as lionfish biomass on reef fish assemblage structure (based on biomass of parrotfishes, surgeonfishes, wrasses, and damselfishes) at reef sites on the west and south coasts of Barbados.
Factor | Df | SS | R2 | F | p |
---|---|---|---|---|---|
Site | 9 | 15.42 | 0.2 | 16.8 | 0.001 |
Season | 2 | 0.16 | 0 | 0.77 | 0.582 |
Period | 1 | 0.87 | 0.01 | 8.55 | 0.002 |
Lionfish biomass | 1 | 0.03 | 0 | 0.32 | 0.797 |
Site:Season | 18 | 2.19 | 0.03 | 1.19 | 0.168 |
Site:Period | 9 | 1.63 | 0.02 | 1.78 | 0.008 |
Season:Period | 2 | 0.21 | 0 | 1.04 | 0.385 |
Site:Season:Period | 18 | 2.38 | 0.03 | 1.29 | 0.097 |
Residual | 535 | 54.56 | 0.7 | ||
Total | 595 | 77.45 | 1 |