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What is a semi-arid desert biome?

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Quick Answer

A semi-arid desert biome is characterized by relatively long and dry summers, with minimal occurrence of rainfall during the winter season. In the United States, this particular region includes the sagebrush of the Great Basin, Utah and Montana.

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A semi-arid desert biome experiences similar weather conditions to hot deserts. On average, summer daytime temperatures fall between 69.8 and 80.6 degrees Fahrenheit, with the temperature dropping down to around 50 degrees at nighttime.

Annual precipitation in the form of rain only averages between 0.8 and 1.6 inches. Although rainfall is concentrated and kept at a bare minimum, this biome is able to support certain species of plants and animals due to night cooling.

The Nearctic region that encompasses the North American continent, Greenland, Russia, Europe, Newfoundland and northern Asia are also part of the semi-arid desert ecozone.

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