The plant in the labyrinth: Adaptive growth and branching in heterogeneous environments
| Autor: | Veronika Benedek, Péter Englert, András G. Hubai, Máté Gulyás, Beáta Oborny |
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| Rok vydání: | 2017 |
| Předmět: |
0106 biological sciences
Statistics and Probability Plant growth General Immunology and Microbiology Ecology Applied Mathematics Plant Development Plant community Percolation threshold General Medicine Branching points Plants Biology Models Biological 010603 evolutionary biology 01 natural sciences General Biochemistry Genetics and Molecular Biology Giant component Branching (linguistics) Modeling and Simulation General Agricultural and Biological Sciences Biological system 010606 plant biology & botany |
| Zdroj: | Journal of Theoretical Biology. 412:146-153 |
| ISSN: | 0022-5193 |
| DOI: | 10.1016/j.jtbi.2016.10.015 |
| Popis: | The "ant in the labyrinth" problem describes spatial constraints upon a moving agent in a disordered medium. In contrast with an animal-like agent (an "ant"), a clonal plant can stay in a place and move at the same time: some parts develop roots, while others continue moving by horizontal growth and branching. Hereby we present a spatially explicit, dynamic model for the study of percolation by plant growth rules in lattices that consist of open and closed sites. Growth always starts from a single seed in an open percolation cluster (patch). By increasing the proportion of open sites (p), we describe a new kind of threshold (the "tracking threshold", approximately pt=0.73), which is higher than the site percolation threshold (pc=0.5 in this lattice). At pc |
| Databáze: | OpenAIRE |
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