sky island n. an isolated ecosystem occurring at a high altitude, such as on a mountain top, which shows evolutionary tendencies similar to those occurring on islands surrounded by water. (source: Double-Tongued Dictionary)
Further reading
After our conversation about the expression dingle day, a term used by workers at a research station in Antarctica to denote bright, sunny weather, a listener offers a possible explanation for this term. It may derive from the idea of the skies...
You can’t help wondering if some astronomers listen to rock music as they gaze at the stars, given that a couple of names in The Dictionary of Minor Planet Names(Amazon) honor the band Yes and also Procol Harum. This is part of a complete...