Ecological Archives E083-050-A2

Daniel C. Moon and Peter Stiling. 2002. The effects of salinity and nutrients on a tritrophic salt marsh system. Ecology 83:2465-2476.

Appendix B. Results of repeated-measures ANOVA on the effect of treatments on the mean percentage of emergence holes made by parasitoids in galls on 200 Borrichia frutescens stems per plot from salt stress and fertilization experiments.

Source of Variation

Sum of Squares

df

Mean Square

F ratio

P

Salt Stress Experiment

         

   Between Subjects

         

Salt

4217.786

1

4217.786

4.701

0.051

Traps

360.390

1

360.390

0.402

0.538

Salt × Traps

3223.551

1

3223.551

3.593

0.082

Error

10767.314

12

897.276

   

   Within Subjects

         

Time

2491.300

9

276.811

0.338

0.961

Time × Salt

4429.149

9

492.128

0.600

0.795

Time × Traps

2427.883

9

269.765

0.329

0.964

Time × Salt × Traps

2111.219

9

234.580

0.286

0.977

Error

88572.122

108

820.112

   
           

Fertilization Experiment

         

   Between Subjects

         

Fertilization

5107.600

1

5107.600

6.763

0.023

Traps

4515.625

1

4515.625

5.979

0.031

Fert × Traps

184.900

1

184.900

0.245

0.630

Error

9062.850

12

755.238

   

   Within Subjects

         

Time

1287.150

9

143.017

0.390

0.938

Time × Fert

496.275

9

55.142

0.150

0.998

Time × Traps

3343.000

9

371.444

1.013

0.435

Time × Fert × Traps

937.725

9

104.192

0.284

0.978

Error

39615.650

108

366.812

   

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