Table 4 Results of two-way ANOVA for the effects of region and trajectory (linear or stable)a on three measures of community temporal invariability (species richness (a), species composition (b), and community abundance (c)).

From: Quantifying the dynamics of rocky intertidal sessile communities along the Pacific coast of Japan: implications for ecological resilience

Source of variation

df

MS

F

P

(a) Species richness

Region

5

0.05431

4.209

0.00174

Trajectorya

1

0.00417

0.323

0.57113

Region × Trajectory

4

0.05376

4.166

0.00383

Residuals

91

0.01291

  

Transformation: log10

Levene's test: F = 1.7328, P > 0.05

(b) Species composition

Region

5

0.020171

13.978

< 0.001

Trajectorya

1

0.000529

0.366

< 0.5464

Region × Trajectory

4

0.002939

2.037

< 0.0958

Residuals

91

0.001443

  

Transformation: log10

Levene's test: F = 1.5378, P > 0.05

(c) Community abundance

Region

5

1.1666

29.392

< 0.001

Trajectorya

1

0.0213

0.537

< 0.465

Region × Trajectory

4

0.0684

1.725

< 0.151

Residuals

91

0.0397

  

Transformation: log10

Levene's test: F = 0.7907, P > 0.05

  1. aPlease see main text for a description of community trajectories.