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- Helmholtz-Zentrum Dresden-RossendorfDE168 papers
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9 papers · 1 filter
How spatial patterns can lead to less resilient ecosystems
David Pinto-Ramos, Ricardo Martinez-Garcia
Several theoretical models predict that spatial patterning increases ecosystem resilience. However, these predictions rely on simplifying assumptions, such as assuming isotropic an…
Spatial competition and repulsion: pattern formation and the role of movement
Cristóbal López, Eduardo H. Colombo, Emilio Hernández-García +1
This chapter investigates some mechanisms behind pattern formation driven by competitive-only or repelling interactions, and explores how these patterns are influenced by different…
Flow spatial structure determines pattern instabilities in nonlocal models of population dynamics
Nathan O. Silvano, João Valeriano, Emilio Hernández-García +2
We investigate how environmental flows influence spatial pattern formation and population dynamics using two nonlocal models of population dynamics, which we couple to two differen…
Decoding the interaction mediators from landscape-induced spatial patterns
E. H. Colombo, L. Defaveri, C. Anteneodo
Interactions between organisms are mediated by an intricate network of physico-chemical substances and other organisms. Understanding the dynamics of mediators and how they shape t…
Aperiodic clustered and periodic hexagonal vegetation spot arrays explained by inhomogeneous environments and climate trends in arid ecosystems
D. Pinto-Ramos, M. G. Clerc, A. Makhoute +1
Due to climate change, overgrazing, and deforestation, arid ecosystems are vulnerable to desertification and land degradation. As aridity increases, vegetation cover loses spatial…
Pulsed interactions unify reaction-diffusion and spatial nonlocal models for biological pattern formation
Eduardo H. Colombo, Ricardo Martinez-Garcia, Justin M. Calabrese +2
The emergence of a spatially-organized population distribution depends on the dynamics of the population and mediators of interaction (activators and inhibitors). Two broad classes…