How are vestibular disorders diagnosed? The inner earâs vestibular organs and the associated nerves and brain centers form a complex system that serves many functions and can be affected by a number of outside systems. A thorough evaluation of the inner ear may therefore require several different kinds of tests.
Birch and tea-leaved willow are the main species of tree found in Icelandic woodlands and shrublands. Birch is the only species of tree to form continuous natural woodlands in Iceland, although the occasional rowan or aspen can be found growing in among the birch trees. Mosses and lichens often abound in forests, both as undergrowth and epiphytes growing on trees.
Other domestic animals include the Icelandic sheep, cattle, chicken, goat, and the Icelandic sheepdog. Wild mammals in Iceland include the Arctic Fox, mink, mice, rats, rabbits and reindeer. Polar bears occasionally visit the island, traveling on icebergs from Greenland. Icelandic waters are rich with marine life, including seals, whales, dolphins and over three hundred species of fish. When Iceland was first settled, it was extensively forested. According to the late 12th century ÃslendingabÃ³k, Ã­slendingabÃ³k ari The wise Described iceland as forested from mountain to sea. shore