Hot Desert Biome (Leaving Cert Geography): Flashcards
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Biome definition
Biome definition
Distinct natural regions shaped primarily by climate
4 components of a biome
4 components of a biome
Climate, soil, flora, fauna
Most important factor controlling biomes
Most important factor controlling biomes
Climate
Desert definition
Desert definition
Dry region with minimal precipitation & sparse vegetation
Fraction of Earth's land surface covered by deserts
Fraction of Earth's land surface covered by deserts
One-seventh
% of world's deserts that are sandy
% of world's deserts that are sandy
20%
Latitude range where hot deserts are found
Latitude range where hot deserts are found
15-30° north & south of equator
Typical location of hot deserts on continents
Typical location of hot deserts on continents
Western edges or continental interiors
Annual rainfall in extremely arid deserts
Annual rainfall in extremely arid deserts
Almost no rainfall
Annual rainfall in arid deserts
Annual rainfall in arid deserts
Less than 250mm
Annual rainfall in semi-arid deserts
Annual rainfall in semi-arid deserts
250-500mm
5 factors controlling desert formation
5 factors controlling desert formation
Trade winds, high-pressure belts, rain shadows, ocean currents, continentality
Climate's role in determining desert biome features
Climate's role in determining desert biome features
Soil development, plant communities, animal populations