The complex and systemic establishment of interactions in the ecological communities.

Tomás Veloz González, Claudio Ramirez

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    The central question in community ecology is explaining how species coexist in a ecological community. In this tradition,
    individuals belonging to species constitute the biological unit on which observations are concentrated. Individuals produce interactions,
    and the interactions depend on the individuals. Thus, the individual/population duality and the resulting interactions between these entities
    are the structuring forces, and the abiotic environment is the conditioning space that, by affecting individuals, becomes another structuring
    factor. Thus, ecological interactions among individuals in a community emerge as secondary entities resulting as the mere consequence
    of the properties of individuals (e.g., feeding, fighting, reproduction), and the set of key interactions are candidates for primary causes of
    community structuring. The modeling of ecological communities is done either by describing their interactions as terms of a dynamical
    system, links of a network, or rules in agent-based model. However, none of these frameworks can simultaneously i) handle large size
    systems, while ii) describing interaction mechanisms in detail, and iii) providing ways to compare different models not only based on
    dynamical results. Here we review the features of these modeling frameworks and introduce the language of reaction networks, native to
    systems biology, as an alternative method where these three features can be simultaneously achieved. Reaction networks require a paradigm
    shift as features of species and abiotic environment have the same importance, and the focus is not on the species interactions themselves,
    but on more general processes of exchange of conditions for the persistence of the whole community
    Originele taal-2English
    Pagina's (van-tot)27-33
    Aantal pagina's7
    TijdschriftREVISTA DE MODELAMIENTO MATEMÁTICO DE SISTEMAS BIOLÓGICOS - MMSB
    Volume2
    Nummer van het tijdschrift3
    StatusPublished - 2023

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