Reindeer were introduced 70 years ago to the Stromness Bay area on the subantarctic island of South Georgia, and the herd is still surviving. Two glaciers confine the herd, and movements are restricted even within the area due to a rugged topography. The Husvik herd has recently expanded its range within this area, and today approximately 88 of the vegetated area is affected by grazing. The grazing effects are described, and the value of the introduction as a natural experiment is discussed.
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