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Table 2 Two-way ANOVA analysis of tree species, previous land uses and age groups on the rate of SOC stock change in the 0–60 cm soil depth

From: A meta-analysis of changes in soil organic carbon stocks after afforestation with deciduous broadleaved, sempervirent broadleaved, and conifer tree species

  

0–20 cm

 

20–40 cm

 

40–60 cm

 

Source

df

F

Sig.

F

Sig.

F

Sig.

TS

2

1.39

0.251

4.608

0.011*

1.068

0.347

PLU

1

2.437

0.12

0.121

0.729

0.243

0.623

TS·PLU

2

9.511

0.0001***

1.868

0.158

2.646

0.075

TS

2

4.506

0.012*

3.385

0.036*

1.255

0.289

AG

3

4.786

0.003**

2.577

0.056

2.794

0.044*

TS·AG

6

1.969

0.071

1.238

0.29

1.068

0.347

  1. df, degree of freedom; TS (tree species), deciduous broadleaved, sempervirent broadleaved or sempervirent conifer; PLU (previous land use), cropland and grassland; AG (age group), 0–10 years, 11–20 years, 21–30 years and 31+ years
  2. *, ** and ***indicate significant difference at the 0.05 level (P < 0.05), 0.01 level (P < 0.01) and 0.001 level (P < 0.001), respectively
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Annals of Forest Science

ISSN: 1297-966X