Journal Pre-proofs Mathematical model for the dynamics of Savanna ecosystem considering fire disturbances Kewani Welay Brhane, Michael Gidey Gebru, Abdulaziz Garba Ahmad PII: S0022-5193(20)30370-2 DOI: https://doi.org/10.1016/j.jtbi.2020.110515 Reference: YJTBI 110515 To appear in: Journal of Theoretical Biology Received Date: 21 February 2020 Revised Date: 11 September 2020 Accepted Date: 5 October 2020 Please cite this article as: K.W. Brhane, M.G. Gebru, A.G. Ahmad, Mathematical model for the dynamics of Savanna ecosystem considering fire disturbances, Journal of Theoretical Biology (2020), doi: https://doi.org/ 10.1016/j.jtbi.2020.110515 This is a PDF file of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the definitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its final form, but we are providing this version to give early visibility of the article. Please note that, during the production process, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. © 2020 Published by Elsevier Ltd.