Table 1 Summary of estimates of model coefficients CO2 = f(biomass)—field.

From: Carbon dioxide levels in initial nests of the leaf-cutting ant Atta sexdens (Hymenoptera: Formicidae)

Field

Model with logit link)

Estimate

Std. error

z

value Pr( >|z|)

Coefficients (mean: intercept model with logit link): biomass

− 4.33144

0.09274

− 46.705

 < 2e−16

0.04426

0.02082

2.126

0.0335

Phi coefficients (precision model with identity link)

(Phi)

1353.5

480.3

2.818

0.00483

  1. Laboratory: Log-likelihood: 155.3 on 3 Df, Pseudo R2: 0.01306; Field: Log-likelihood: 68.98 on 3 Df, Pseudo R2: 0.2073.
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