closed ecological system

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closed ecological system

[¦klōzd ek·ə′läj·ə·kəl ‚sis·təm]
(aerospace engineering)
A system used in spacecraft that provides for the maintenance of life in an isolated living chamber through complete reutilization of the material available, in particular, by means of a cycle wherein exhaled carbon dioxide, urine, and other waste matter are converted chemically or by photosynthesis into oxygen, water, and food.
(ecology)
A community into which a new species cannot enter due to crowding and competition.
References in periodicals archive ?
Engineering helps us to develop the closed ecological systems in which nothing will enter in that system and system converts the waste products into oxygen, food and water for the inhabiting organisms in the system.