R model for anaerobic microbial degradation (biodegradation) of organic matter with multiple microbial groups
The ABM model predicts conversion of animal manure or other high-moisture organic wastes to methane and carbon dioxide under anaerobic conditions. The name comes from anaerobic biodegradation model. With multiple microbial groups and group-specific parameters describing kinetics and yield, the model can predict realistic short- and long-term responses to temperature change.
Frederik Dalby (https://au.dk/fd@bce.au.dk) and Sasha D. Hafner (https://au.dk/sasha.hafner@bce.au.dk).
This R package can be installed using devtools::install_github("AU-BCE-EE/ABM", build_vignettes = TRUE).
Load the package with library(ABM), and open up the vignette with vignette("ABM_start").
If you have trouble installing ABM or devtools, make sure that you are working with the latest version of R. If you have updated R but still have trouble, please contact us or submit a new issue, explaining the problem.
Report problems or ask questions using the Issues page.
See these papers for more information on the model, as well as examples of applications.
Dalby, F.R., Hafner, S.D., Petersen, S.O., Vanderzaag, A., Habtewold, H., Dunfield, K., Chantigny, M.H., Sommer, S.G., 2021. A mechanistic model of methane emission from animal slurry with a focus on microbial groups. PLOS ONE. https://doi.org/10.1371/journal.pone.0252881 (download here)
Dalby, F.R., Hansen, M.J., Guldberg, L.B., Hafner, S.D., Feilberg, A., 2023. Simple Management Changes Drastically Reduce Pig House Methane Emission in Combined Experimental and Modeling Study. Environ. Sci. Technol. https://doi.org/10.1021/acs.est.2c08891 (download here)
Dalby, F.R., Ambrose, H.W., Poulsen, J.S., Nielsen, J.L., Adamsen, A.P.S., 2023. Pig slurry organic matter transformation and methanogenesis at ambient storage temperatures. JEQ. https://doi.org/10.1002/jeq2.20512 (download here)
Dalby, F.R., Hafner, S.D., Ambrose, H.W., Adamsen, A.P.S., 2024. Pig manure degradation and carbon emission: Measuring and modeling combined aerobic–anaerobic transformations. JEQ. https://doi.org/10.1002/jeq2.20603 (download here)