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Related Experiment Videos

Basic design concept of Closed Ecology Experiment Facilities.

K Nitta1

  • 1Institute for Environmental Sciences, Aomori, Japan.

Advances in Space Research : the Official Journal of the Committee on Space Research (COSPAR)
|September 7, 2001
PubMed
Summary

Researchers are developing Closed Ecology Experiment Facilities (CEEF) to study how living organisms

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Area of Science:

  • Ecology
  • Environmental Science
  • Biotechnology

Background:

  • Understanding the intricate relationship between physiological metabolism and environmental factors in closed ecosystems is crucial for advancing life support systems.
  • Existing research requires more sophisticated facilities to precisely monitor and control environmental parameters within isolated biological systems.

Purpose of the Study:

  • To design and construct advanced Closed Ecology Experiment Facilities (CEEF) for studying metabolic interactions within controlled environments.
  • To enable independent and integrated experiments on plant cultivation, animal breeding, and human habitation within a closed ecosystem.
  • To investigate the impact of physiological metabolism on atmospheric composition and material balance in isolated biological systems.

Main Methods:

  • Development of independently sealed modules for distinct biological components (plants, animals, humans, microbial waste treatment).
  • Implementation of advanced atmospheric control systems for precise regulation of gas concentrations within each module.
  • Utilization of wet oxidation and chemical nitrogen fixation reactors for microbial waste treatment, replacing traditional chambers.
  • Prohibition of oxygen- and carbon dioxide-absorbing construction materials to maintain material balance.
  • Facilitation of integrated experiments through controlled exchange of food, gases, water, and nutrients between modules.

Main Results:

  • The design ensures independent study of metabolic effects of each life form on environmental factors.
  • Atmospheric control systems are integrated into each module for stable environmental conditions.
  • Material balance is sustained by carefully selecting construction materials, avoiding those that absorb key atmospheric gases.

Conclusions:

  • The designed Closed Ecology Experiment Facilities (CEEF) provide a robust platform for studying complex ecological interactions.
  • These facilities will enable comprehensive research into closed ecological systems, essential for future space exploration and sustainable living.
  • The modular design allows for flexible experimental setups, from isolated studies to integrated ecosystem simulations.

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