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Tropical savanna climates are most commonly found in Africa, Asia, Central America, and South America. The climate is also prevalent in sections of northern Australia , the Pacific Islands, in extreme southern North America in south Florida , and some islands in the Caribbean .
Savana është zonë e rrafshtë ose pak e valëzuar, që shtrihet në brezin tropikal, në veri dhe në jug të pyjeve tropikale. Në savanë kryesisht dominojnë bimët barishtore të familjeve të ndryshme. Savana karakterizohet për dy stinë: verë të nxehtë e të lagësht dhe verë te nxehtë e të thatë. Ka pak rrjedha lumore.
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What is a tropical and subtropical grasslands savannas & shrublands biome?
What are the different types of tropical savanna climates?
What causes alternating dry and wet seasons in the savanna region?
What is the temperature range of a savanna biome?
Tropical and subtropical grasslands, savannas, and shrublands is a terrestrial biome defined by the World Wide Fund for Nature. The biome is dominated by grass and/or shrubs located in semi-arid to semi- humid climate regions of subtropical and tropical latitudes .
- Characteristics of The Tropical Savanna Climate
- Variations of The Tropical Savanna Climate
- Flora and Fauna in Tropical Savanna Climate
- Distribution of The Tropical Savanna Climate
Temperature
Tropical savanna climates are relatively hot since they lie within the tropical latitudes. Throughout the year, mean monthly temperatures soar above 64 °F (18 °C). The dry season in savanna grasslands is cooler than the wet season by a few degrees. During the wet season, temperatures are between 78 to 86 °F (25 - 30 °C). In the dry period of the year, the temperature ranges between 68 to 78 °F (20 - 25° C). Temperatures are higher during the day as compared to nights. The highest temperatures...
Precipitation
Precipitation in the tropical savanna climate is mainly in the form of rainfall. On average, this climatic zone receives between 800 and 1,600 millimeters of rain annually. As one moves away from the equator, the mean annual rainfall decreases. During the driest month, precipitation is less than 60 mm. Savanna regions have two seasons, summer and winter. Rain falls mainly in summer. The rains fall from May to September in the northern hemisphere and from October to March in the southern hemis...
Winds
The prevailing winds in tropical grasslands are the Trade Winds. They are easterlies, blowing from east to west. These winds have an enormous impact on the rains in this climate zone. For example, rainfall in the savanna decreases from east to west. They are also the cause of the alternating dry and wet seasons. During summer, onshore winds bring rain and in winter, offshore winds keep the savanna region dry. The Trade Winds are strongest in summer.
There are four varieties of this climate. The first type has two distinct seasons which last for relatively equal durations. Regions that experience this climate receive the most annual rainfall during the wet season with very little rain falling during the dry period of the year. In the second variation, the dry season is more pronounced and it la...
Vegetation
The natural vegetation of savanna regions mainly consists of tall grass and short deciduous trees. Trees such as acacias shed their leaves during the dry period of the year to avoid excessive loss of water to the environment through transpiration. They also tend to have broad trunks which store water to help them survive periods of prolonged drought. On average, the grass grows to a length of between 3 and 6 feet. In true savanna areas, however, it attains a height of 6 to 12 feet, and it is...
Animals
Tropical grasslands are home to thousands of animal species. The African savanna has the greatest diversity of hoofed mammals including giraffes, deer, and hippos which inhabit marshy areas in the grasslands. The ecosystem of tropical savannas consists of two broad categories of animals, herbivores, and carnivores. Carnivorous animals include leopards, lions, tigers, jaguars, jackals, panthers, and hyenas. Herbivorous animals of the savanna comprise antelopes, elephants, rhinos, wildebeest, b...
The African savanna is a belt covering the Sudan Region, East Africa, and the region of southern Africa lying north of the Southern Tropic. In Australia, the climate is prevalent in the northern part of the country stretching from Broome to Townsville. The South American savanna covers two distinct regions. They include the llanos or savannas, whic...
In general, savannas grow in tropical regions 8° to 20° from the Equator. Conditions are warm to hot in all seasons, but significant rainfall occurs for only a few months each year—about October to March in the Southern Hemisphere and April to September in the Northern Hemisphere.
The tropical savanna biome is characterized by two distinct seasons in regard to precipitation; the dry season and the wet season. The dry season typically occurs from October to January and typically experiences just 4 inches of rainfall.
Tropical savanna climates, or tropical wet and dry climates, are mainly located between the 10° and 25° north-south latitudes, and often occur at the outer margins of the tropics. Typical regions include central Africa, parts of South America, as well as northern and eastern Australia. [15]
