Table 1 Frequencies of each SAD model and model family being selected as the best model by AIC in 15,329 microbial communities

From: The powerbend distribution provides a unified model for the species abundance distribution across animals, plants and microbes

SAD model

Sampling error structure

Best model (statistically significant)

Best model family (statistically significant)

Lognormal

Poisson

18.3% (12.7%)

18.3% (12.7%)

Logseries

None

0.2% (0.0%)

0.2% (0.0%)

 

Poisson

0.0% (0.0%)

 

Power Law

None

1.7% (0.0%)

14.5% (0.5%)

 

Poisson

12.8% (0.5%)

 

Powerbend

None

6.7% (2.0%)

67.0% (56.1%)

 

Poisson

60.3% (49.4%)

 
  1. A best model is considered statistically significant when its AIC difference to the second-best model is greater than 2.