3 years ago

Diversity, stability, and reproducibility in stochastically assembled microbial ecosystems.

Akshit Goyal, Sergei Maslov

Microbial ecosystems are remarkably diverse, stable, and often consist of a balanced mixture of core and peripheral species. Here we propose a conceptual model exhibiting all these emergent properties in quantitative agreement with real ecosystem data, specifically species' abundance and prevalence distributions. Resource competition and metabolic commensalism drive stochastic ecosystem assembly in our model. We demonstrate that even when supplied with just one resource, ecosystems can exhibit high diversity, increasing stability, and partial reproducibility between samples.

Publisher URL: http://arxiv.org/abs/1711.00755

DOI: arXiv:1711.00755v1

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