closed ecological system , auch: biodome

Also bottle gardens can act as a closed ecological system.

Water in the colony was supposed to be recycled through a closed ecological system.

Just to be on the safe side, though, we're working on closed ecological systems.

Balance is the key to success in any closed ecological system," he said earnestly.

These systems are also known as closed ecological systems.

A closed ecological system must contain at least one autotrophic organism.

Since the hospital was designed so far as was possible to be a closed ecological system, what becomes of all this material?"

I mean pesticides are just one large scary class of chemicals that we are exposing our closed ecological systems to.

A biosphere is the part of a planet's shell where all life occurs; a self-regulating, closed ecological system.

In a closed ecological system, any waste products produced by one species must be used by at least one other species.

"You thinking of dismantling the OMC controls and converting us to a closed ecological system?"

Closed ecological systems (CES) are ecosystems that do not rely on matter exchange with any part outside the system.

Earth analogs to space applications may include Antarctic, desert, high altitude, underground, undersea environments and closed ecological systems.

The only closed ecological systems that have shown sustained success until now are glass globes about the size of a softball containing tiny shrimp and algae.

"That's the problem with space habitats in general--they strive for closed ecological systems, and then try to close as much of their economy as possible.

Such possibilities include mass drivers on the moon, which launch payloads into space using only electricity, and spinning space colonies with closed ecological systems.

Although a fully mechanistic life support system is conceivable, a closed ecological system is generally proposed for life support.

While both chemotrophic and phototrophic organisms are plausible, almost all closed ecological systems to date are based on a phototroph such as green algae.

The main conceptual interest of these objects lies in the fact that they are materially closed ecological systems which are self-sustaining over a period of years.

Biosphere 2 will make important scientific contributions in the fields of biogeochemical cycling, the ecology of closed ecological systems, and restoration ecology."

Biosphere 2 - Controversial project with a 1.27 ha artificial closed ecological system in Oracle, Arizona (USA).

Human habitation within closed ecological systems in hostile environments, such as Antarctica and outer space, is expensive, typically limited in duration, and restricted to scientific, military, or industrial expeditions.

One controversial example of technogaian practice is an artificial closed ecological system used to test if and how people could live and work in a closed biosphere, while carrying out scientific experiments.

Devils Lake, a remnant of a shallow glacial sea, is a closed ecological system that has been geographically separate from the surrounding Hudson Bay basin for more than a thousand years.

Margret Augustine, who heads the enterprise, Space Biospheres Ventures, said the project would have applications in space, in research into closed ecological systems and in the marketing of scientific processes.