Glacial Relicts

Glacial Relicts

 

plants and animals that have survived from the ice age on a given territory in isolated habitats owing to a particularly favorable combination of microclimatic and soil conditions in the habitats. The glacial relicts in regions that previously were in the periglacial areas are more often encountered on cliffs and in caves on slopes with a northern exposure, in sphagnum bogs, in lakes with clear cold water, and, more rarely, in forests and on broad sandy expanses. Examples of plant glacial relicts are reindeer moss (the pine groves along the Voronezh River), the dwarf birch (in the peat bogs in central Eastern Europe), and the mountain avens (on cliffs along the valleys of northern rivers), all of which are widely found in the tundra and are encountered in various parts of the European USSR. Examples of animal glacial relicts are the fly Cephenemya ulrichi and certain dragonflies (in a number of forest areas), the common lizard, and the common adder, or viper.

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The analogy between interglacial and global warming for the glacial relicts in a refugium: a biogeographic perspective for conservation of Anatolian Orthoptera.
These cold-loving species, called glacial relicts, have inhabited the lakes since the retreat of the glacial sheets at the end of the most recent ice age, some 10,000 years ago.
Glacial relict Rhagidiidae (Acari: Prostigmata) from superficial underground enclosures in the Krkonose Mountains, Czechoslovakia.