refugium

noun — 2 senses

refugium

noun

Etymology From Latin refugium. Doublet of refuge.

1

Any local environment that has escaped regional ecological change and therefore provides a habitat for endangered species.

  • Beetles fly, many ants send forth massive swarms of reproductive alate females and males, arachnids and insect predators emerge from their hidden refugia, and termite swarm.2016, Justin O. Schmidt, The Sting of the Wild, Johns Hopkins University Press, →ISBN, page 113:
2

A separate section of a fishtank that shares the same water supply, used for denitrification, plankton production, etc.

Derived terms
microrefugium, refugial, subrefugium

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.