relict

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relict

(rĕl′ĭkt, rĭ-lĭkt′)
n.
1. Ecology A species that inhabits a much smaller geographic area than it did in the past, often because of environmental change.
2. Something that has survived; a remnant.
3. Law A widow or widower.

relict

see RELIC.
References in periodicals archive ?
The third unit is a zone containing a relictual community mosaic.
Finally, these results support the concept that the relictual cottonwoods at BP are ecologically resilient to some degree and also suggest that further increases in their productivity are possible through the use of environmental flows.
However, if herbivores act as dispersal vectors for ancient woodland species, keeping areas of established coppice and newly restored secondary woodlands open to deer might provide connectivity, import new species, allow access to sources of propagules and help restore mobility to relictual plant populations.
(1975) suggested that the populations in Illinois may be relictual and that the species might be becoming extinct in the western portion of its range.
It strongly suggests that this region of the Drakensberg has been subject to historical environmental conditions that have resulted in the long-term isolation and independent evolution of a distinctive and perhaps now relictual fauna of narrow-range endemics.
The same situation can be seen in section, from full quartz- to pure lechatelierite- inclusions (intermediate stages show lechatelierite embedding some relictual quartz).