Modeling and Formal Analysis of Meta-Ecosystems with Dynamic Structure using Graph Transformation

Modeling and Formal Analysis of Meta-Ecosystems with Dynamic Structure using Graph Transformation
Author :
Publisher : Universitätsverlag Potsdam
Total Pages : 54
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ISBN-10 : 9783869565330
ISBN-13 : 3869565330
Rating : 4/5 (330 Downloads)

Book Synopsis Modeling and Formal Analysis of Meta-Ecosystems with Dynamic Structure using Graph Transformation by : Boris Flotterer

Download or read book Modeling and Formal Analysis of Meta-Ecosystems with Dynamic Structure using Graph Transformation written by Boris Flotterer and published by Universitätsverlag Potsdam. This book was released on 2023-01-08 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt: The dynamics of ecosystems is of crucial importance. Various model-based approaches exist to understand and analyze their internal effects. In this paper, we model the space structure dynamics and ecological dynamics of meta-ecosystems using the formal technique of Graph Transformation (short GT). We build GT models to describe how a meta-ecosystem (modeled as a graph) can evolve over time (modeled by GT rules) and to analyze these GT models with respect to qualitative properties such as the existence of structural stabilities. As a case study, we build three GT models describing the space structure dynamics and ecological dynamics of three different savanna meta-ecosystems. The first GT model considers a savanna meta-ecosystem that is limited in space to two ecosystem patches, whereas the other two GT models consider two savanna meta-ecosystems that are unlimited in the number of ecosystem patches and only differ in one GT rule describing how the space structure of the meta-ecosystem grows. In the first two GT models, the space structure dynamics and ecological dynamics of the meta-ecosystem shows two main structural stabilities: the first one based on grassland-savanna-woodland transitions and the second one based on grassland-desert transitions. The transition between these two structural stabilities is driven by high-intensity fires affecting the tree components. In the third GT model, the GT rule for savanna regeneration induces desertification and therefore a collapse of the meta-ecosystem. We believe that GT models provide a complementary avenue to that of existing approaches to rigorously study ecological phenomena.


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