Ecosystem as self-organizing critical systems

The paper examines the following properties which are often associated with self-organizing critical systems: (1) Is the relationship between body size and abundance for species in ecosystem a power law? (2) Will the frequency with which observed changes exceeds a given change versus the change foll...

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Published in:Ecological modelling 1998-09, Vol.111 (2), p.261-268
Main Authors: Jørgensen, S.E., Mejer, Henning, Nielsen, Søren Nors
Format: Article
Language:English
Subjects:
Animal, plant and microbial ecology
Biological and medical sciences
Criticality
Ecosystems
Exergy
Fundamental and applied biological sciences. Psychology
General aspects. Techniques
Methods and techniques (sampling, tagging, trapping, modelling...)
Power law
Self-organizing
Structural dynamic models
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description The paper examines the following properties which are often associated with self-organizing critical systems: (1) Is the relationship between body size and abundance for species in ecosystem a power law? (2) Will the frequency with which observed changes exceeds a given change versus the change follow a power law? (3) Will the typical frequencies of ‘avalanches’ follow a power law? (4) Can the occurrences of ‘avalanches’ according to a well-examined ecosystem model be used to explain the underlying causality? As the examinations give the clear answer ‘yes’ to all four questions, and as many other properties of ecosystems also point towards ecosystems as self-organising critical systems, it seems possible to support the hypothesis, that ecosystems are self-organizing systems.
doi_str_mv 10.1016/S0304-3800(98)00104-5
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1872-7026
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source ScienceDirect Journals
subjects Animal, plant and microbial ecology
Biological and medical sciences
Criticality
Ecosystems
Exergy
Fundamental and applied biological sciences. Psychology
General aspects. Techniques
Methods and techniques (sampling, tagging, trapping, modelling...)
Power law
Self-organizing
Structural dynamic models
title Ecosystem as self-organizing critical systems
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