@article{fdi:010040742, title = {{MIOR} : an individual-based model for simulating the spatial patterns of soil organic matter microbial decomposition}, author = {{M}asse, {D}ominique and {C}ambier, {C}hristophe and {B}rauman, {A}lain and {S}all, {S}a{\¨ie}dou and {A}ssigbets{\'e}, {K}omi and {C}hotte, {J}ean-{L}uc}, editor = {}, language = {{ENG}}, abstract = {{A}n individual-based model, called {MIOR}, was designed to assess hypotheses on the effect of the spatial distribution of organic matter and microbial decomposers on soil carbon and nitrogen dynamics. {T}wo main types of object were defined to represent the decomposers and the soil organic substrates. {A}ll these objects were positioned in a 3{D} space. {T}he exchange of carbon and nitrogen between these various entities was simulated. {T}wo scenarios were tested according to the degrees of clustering of organic matter and of microorganisms. {T}he results of simulations highlighted the effect of the ratio of accessible organic carbon to microbial carbon on the dynamics of microbial biomass and {CO}2 release. {T}his ratio was determined by the number of contacts between one object representing the microbial decomposers and the surrounding objects representing the organic substrates.}, keywords = {}, booktitle = {}, journal = {{E}uropean {J}ournal of {S}oil {S}cience}, volume = {58}, numero = {5}, pages = {1127--1135}, ISSN = {1351-0754}, year = {2007}, DOI = {10.1111/j.1365-2389.2007.00900.x}, URL = {https://www.documentation.ird.fr/hor/fdi:010040742}, }