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Related Experiment Video

Updated: Dec 19, 2025

Author Spotlight: Unveiling Plankton Response to Climate Change Through Time-Series Data and Artistic Expression

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Published on: July 28, 2023

Second-order phase transition in phytoplankton trait dynamics.

Jenny Held¹, Tom Lorimer¹, Francesco Pomati¹

¹Eawag, Swiss Federal Institute of Aquatic Science and Technology, Überlandstrasse 133, 8600 Dübendorf, Switzerland.

Chaos (Woodbury, N.Y.)

|June 4, 2020

Summary

This summary is machine-generated.

Unicellular cell traits may indicate critical processes. This study derives new scaling laws for phytoplankton, linking cell growth and division to population and chlorophyll dynamics near a critical point.

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Resurrection of Dormant Daphnia magna: Protocol and Applications

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Published on: January 19, 2018

Area of Science:

Ecology
Theoretical Biology
Biophysics

Background:

Unicellular species' traits, like cell size, often exhibit scale-free distributions, suggesting underlying critical processes.
Connecting empirical scaling laws to critical regimes in realistic models is challenging.

Purpose of the Study:

To reveal empirical scaling evidence in phytoplankton population and chlorophyll dynamics.
To propose a theoretical explanation for observed scaling laws using a new model class.

Main Methods:

Derivation of scaling laws near the critical point of a novel universality class of non-local cell growth and division models.
Analysis of population and chlorophyll dynamics in phytoplankton.

Main Results:

New empirical scaling evidence was found in phytoplankton population and chlorophyll dynamics.
Scaling laws were derived for a new universality class of non-local cell growth and division models.

Conclusions:

The study proposes a "criticality hypothesis" for phytoplankton dynamics, supported by derived scaling laws.
The hypothesis and derived scaling laws can be tested by predicting responses to perturbations and may apply to other traits and drivers.