closed ecosystem

American  

noun

Ecology.

1. a self-replenishing ecosystem in which life can be maintained without external factors or outside aid.

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closed ecosystem Cultural  

1. An ecosystem in which no materials can leave or enter but through which energy from external sources can flow.

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The Earth is a closed ecosystem.

Example Sentences

Banks still face regulatory restrictions when it comes to blockchains, and mainly use private platforms that allow selected users in a closed ecosystem.

From The Wall Street Journal

Julie needs a senior citizen to go undercover in that “closed ecosystem” — that is, closed to her — to collect information, identify suspects and report back.

From Los Angeles Times

It is, effectively, a closed ecosystem and that keeps it secure.

From BBC

Many vendors have business models that do just the opposite: create a closed ecosystem so that the client would have difficulty integrating with competing products.

From Los Angeles Times

And I don’t want it to happen in my lifetime, because I’d love to see us do the research first to make sure everything is safe—you know, have a research station on the moon for a couple decades where we work out, for instance, “Are rodents okay reproducing in space?” and “Can we make a closed ecosystem where the parts don’t break for more than two years, so we know that people on Mars will be okay?”

From Scientific American