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Toward a consistent pattern of ecosystem theories.

S E Jorgensen1

  • 1Institute A, Section Environmental Chemistry, University Park 2, 2100 Copenhagen Ø, Denmark. sej@dfh.dk

Thescientificworldjournal
|June 14, 2003
PubMed
Summary
This summary is machine-generated.

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Ecosystem theories have been unified into a consistent pattern by reformulating E.P. Odum

Area of Science:

  • Ecology
  • Systems Ecology
  • Theoretical Ecology

Background:

  • Multiple ecosystem theories have emerged over the past 2-3 decades.
  • Recent advancements allow for the synthesis of these theories into a unified framework.
  • Intensive discussions and the reformulation of E.P. Odum's attributes have been crucial.

Purpose of the Study:

  • To present a consistent pattern unifying diverse ecosystem theories.
  • To analyze the relationship between ecosystem growth forms and key ecological properties.

Main Methods:

  • Synthesis of existing ecosystem theories through collaborative discussions.
  • Reformulation of E.P. Odum's attributes into three distinct growth forms: biomass, network, and information.
  • Analysis of how these growth forms influence ecological properties like through-flow, ascendancy, and exergy storage.

Related Experiment Videos

Main Results:

  • All three growth forms (biomass, network, information) lead to increases in through-flow (power), ascendancy, and exergy storage.
  • Exergy dissipation, entropy production, specific exergy, retention time, and the indirect/direct effect ratio show variable responses, increasing or decreasing with only one or two growth forms.

Conclusions:

  • A unified pattern of ecosystem theories has been established.
  • Ecosystem growth, characterized by physical structure, network complexity, and information, drives fundamental increases in system power and storage.
  • The nuanced responses of other ecological properties highlight the complexity of ecosystem dynamics and the need for further investigation.