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English
Etymology
From xero- + -sphere.
Noun
xerosphere (plural xerospheres)
- A region with extremely arid conditions; a desert environment.
1984, The Daffodil Journal - Volumes 21-22, page 136:We do use the latter across the brook where they make a "lawn" on a rock on rock lateral moraine under big sugar maples, and where absolutely nothing else will grow but the invading pioneers of the xerosphere such as brambles.
2001 April 13, Don K., “What Would You Do?”, in misc.consumers.frugal-living (Usenet):What about a xerosphere? Be the first on your block to fill the yard with sand, rocks and ocotillo.
2009, Rajan Kumar Gupta, Mukesh Kumar, Deepak Vyas, Soil microflora, page 252:They are the pioneer colonizers both in hydrosphere and xerosphere and occupy the base of the trophic pyramid.