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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
mathematics
Second-order phase transition in phytoplankton trait dynamics
Chaos, Volume 30, No. 5, Article 053109, Year 2020
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Description
Key traits of unicellular species, such as cell size, often follow scale-free or self-similar distributions, hinting at the possibility of an underlying critical process. However, linking such empirical scaling laws to the critical regime of realistic individual-based model classes is difficult. Here, we reveal new empirical scaling evidence associated with a transition in the population and the chlorophyll dynamics of phytoplankton. We offer a possible explanation for these observations by deriving scaling laws in the vicinity of the critical point of a new universality class of non-local cell growth and division models. This "criticality hypothesis"can be tested through new scaling predictions derived for our model class, for the response of chlorophyll distributions to perturbations. The derived scaling laws may also be generalized to other cellular traits and environmental drivers relevant to phytoplankton ecology. © 2020 Author(s).
Authors & Co-Authors
Pomati, Francesco
Switzerland, Dubendorf
Eawag - Swiss Federal Institute of Aquatic Science and Technology
Stoop, Ruedi
Switzerland, Zurich
Institute of Neuroinformatics
Statistics
Citations: 4
Authors: 2
Affiliations: 2
Identifiers
Doi:
10.1063/1.5141755
ISSN:
10541500
Study Design
Cross Sectional Study