Ecological Archives M084-022-A6
Elizabeth S. Bryson, Geoffrey C. Trussell, Patrick J. Ewanchuk. 2014. Broad-scale geographic variation in the organization of rocky intertidal communities in the Gulf of Maine. Ecological Monographs 84:579–597. http://dx.doi.org/10.1890/13-1106.1
Appendix F. Results of a four-factor nested ANOVA on Semibalanus balanoides recruitment density.
Site was considered a random factor nested within region and wave exposure and crossed with year. Data were log transformed to meet the homogeneous variance assumption of ANOVA prior to analysis. Effect size was measured via η².
Source
df
SS
F ratio
Prob > F
η²
Region
1
193.822
324.6618
<0.0001
0.7389
Wave Exposure
1
17.410
29.1527
0.0057
0.0664
Region × Exposure
1
2.058
3.4478
0.1369
0.0078
Site[Region, Exposure] &Random
4
2.388
15.7312
0.0007
0.0091
Year
2
0.796
10.4921
0.0058
0.0030
Year × Region
2
1.429
18.7013
0.0010
0.0054
Year × Exposure
2
0.825
10.8533
0.0052
0.0031
Year × Region × Exposure
2
0.129
1.7033
0.2420
0.0005
Year × Site[Region, Exposure]&Random
8
0.304
0.1056
0.9990
0.0012
Residual
120
43.135
0.1645