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Table 2 Summary statistics from mixed-effects models for effects of community-niche size (Niche) and species richness (logSR) on annual litter production in 2016

From: Leaf-litter overyielding in a forest biodiversity experiment in subtropical China

Terms

df

ddf

F

P

Model 1

 Site

1

56.6

5.67

0.021

 Niche

1

56.1

9.32

0.003

 logSR

1

56.6

0.12

0.730

Model 2

 Site

1

56.6

5.67

0.021

 logSR

1

56.4

8.74

0.005

 Niche

1

56.3

0.70

0.407

  1. Note: fixed effects were fitted sequentially (type-I sum of squares) as indicated in the table; df and ddf stand for numerator and denominator degree of freedom; logSR for log2(tree species richness) and F and P for F-ratio and P-value of the significance tests