subtropical desert
(noun)
dry region centered on the Tropics of Cancer and Capricorn where evaporation exceeds precipitation
Examples of subtropical desert in the following topics:
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Subtropical Deserts and Chaparral
- Subtropical deserts are characterized by their dry environments, while chaparrals are characterized by the presence of shrubs.
- Subtropical deserts, which exist between 15° and 30° north and south latitude, are centered on the Tropics of Cancer and Capricorn.
- Subtropical hot deserts may have daytime soil surface temperatures above 60°C (140°F) and nighttime temperatures approaching 0°C (32°F).
- Subtropical deserts are characterized by low annual precipitation of fewer than 30 cm (12 in), with little monthly variation and lack of predictability in rainfall.
- There are several types of deserts including high-pressure deserts, mid-continent deserts, rain-shadow deserts, and upwelling deserts.
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Diversity of Gymnosperms
- Because of their attractive shape, they are often used as ornamental plants in gardens in the tropics and subtropics.
- In tropical and subtropical zones, gnetophytes are vines or small shrubs.
- (c) The large Welwitschia mirabilis can be found in the Namibian desert.
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Modern Reptiles
- Crocodilians live throughout the tropics and subtropics of Africa, South America, Southern Florida, Asia, and Australia.
- Testudines include all shelled reptiles, such as the African spurred tortoise (Geochelone sulcata) that lives at the southern edge of the Sahara Desert.
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CAM and C4 Photosynthesis
- Photosynthesis in desert plants has evolved adaptations that conserve water.
- Desert plants have evolved processes to conserve water and deal with harsh conditions.
- The harsh conditions of the desert have led plants like these cacti to evolve variations of the light-independent reactions of photosynthesis.
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Heat Conservation and Dissipation
- For example, a desert ectothermic animal may simply seek cooler areas during the hottest part of the day in the desert to keep from becoming too warm.
- The same animals may climb onto rocks to capture heat during a cold desert night.
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What constitutes a biome?
- The major types of biomes include: aquatic, desert, forest, grassland, savannas, and tundra.
- For example, an ecotone might be a transition region between a grassland and a desert, with species from both.
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Primates
- They can be found in tropical or subtropical regions of the Americas, Africa, and Asia.
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Bryophytes
- More than 25,000 species of bryophytes thrive in mostly-damp habitats, although some live in deserts.
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Characteristics of the Animal Body
- Animals' bodies are also designed to interact with their environments, whether in the deep sea, a rainforest canopy, or the desert.
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Biogeography
- At about 30 degrees north, these forests would give way to deserts, which are characterized by low precipitation.
- Moving farther north, you would see that deserts are replaced by grasslands or prairies.