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Transcript of Savanna Biome
By: Caroline Brennan
savanna's can be found between a tropical rainforest and a desert biome
savanna's, also known as a grassland, consist of various grasses, shrubs and isolated trees
there is not enough rainfall to support forests
the savannas have two different seasons; a dry season (winter) and a wet season (summer)
during the dry season only an average of about 4 inches of rain will fall
between December and February, usually no rain will fall
the wet season is caused by humid air rising up and colliding with the cooler air above which turns into rain
in the afternoons of savannas the rain pours down for hours
in Africa, the monsoon rains begin in May and produce an average of 15 to 25 inches of rain
Where is a savanna located?
there are savanna's in Africa, South America, India and Australia
Latham, Donna. Grasslands and Savannas. White River Junction, Vt.: Nomad, 2011. Print.
Average Annual Temperature:
during the dry season (winter) the temperature will range from about 68 degrees Fahrenheit to 78 degrees Fahrenheit
during the wet season (summer) the temperature increases ranging from 78 degrees Fahrenheit to 88 degrees Fahrenheit
Monthly Annual Average Precipitation
The acacia tree can survive drought conditions because it has developed long tap roots that can reach deep, ground water sources
It is fire resistant
The acacia tree has developed useful adaptations to discourage animals from eating it's leaves by growing sharp thorns and having stinging ants live in the thorns
the baobab tree has adapted to the savanna biome by only producing leaves during the wet season
the small size of the leaves helps limit water loss
it also can store up to 120,000 liters of water in their trunks making it able to endure any drought
Bermuda grass grows in open spaces that have a lot of interruptions such as flooding and fire.
it can grow from 120-150 centimeters deep allowing it to absorb ground water
it is usually the first plant to grow back after grass fires, which happen very often in the savannas
Grows in dense clumps up to 10 feet tall
In savannas it grows along lake beds and rivers where the soil is rich
a shrub mostly found in North African Savanna
its flowers can be eaten, they contain high concentrations of sugar and nitrogen
likes a warm, dry climate
has made adaptations including a hydrophilic root system, thick bark to resist fires and leaf drop during dry periods to conserve energy and water
African Bush Elephant
largest living terrestrial (of, on, or relating to the earth) animal
males are about 3.3 meters tall at the shoulders
females are about 2.7 meters tall at the shoulder
their large ears are used to radiate excess heat
known as "the horse of the savanna"
has a height of about 50 inches from shoulder to hoof
weighs from 500-600 pounds
the black and white stripes act as a camouflage for protection from predators
live in dry and woody savannas, south of the desert
male giraffes eat leaves of acacia 6 meters up the ground
can weigh up to 750 kilograms (over 1,650 pounds)
distinctive long neck (almost 2 meters long)
African Wild Dog
light body and long legs to help chase prey
large ears to help radiate heat away from body
not in competition with hyenas because it's not a scavenger
feeds on medium sized gazelles and antelopes
Black Mamba Snake
most deadly snake in the world
can grow 14 feet in length
can travel at speeds up to 12 mph
active during the day
savannas version of the monkey
males weigh from 59 to 97 pounds and are about 20 to 30 inches long
females weight from 31 to 37 pounds and are 16 to 24 inches long
largest of all mongooses in Africa
live in shrubs and rocky areas within the savanna but prefer to live in forested areas near water
"talented" snake killers
known as the powerhouse of the savanna
weighs in at 265-420 pounds
males have manes around their neck
live in groups called prides which consists of 4 to 40 lions
resides in nest in the thorns of the acacia tree
has a parasitic relationship with the tree because the ants prune off all flower buds so the tree cannot bear fruit or reproduce
Food Web 1
Food Web 2
Tourism is the main industry attracted to the savanna biomes. People come from all around the world to go on safaris and guided hunts in the savannas.
The cotton plant needs about 200 days of sunshine in the season to flourish and bear fruit. For that reason alone, it does well in the dry and humid savannas of Africa. About 8% of the cotton traded in the world market is harvested in the savannas of Africa.
Although illegal, the poaching of elephants for their tusks is still a problem in the savannas of Africa. In 1990 the Convention on International Trade in Endangered Species (CITES) banned international ivory sales. However, in 1997, CITES partially lifted trade sanctions to allow Zimbabwe, Botswana, and Namibia to sell stockpiled ivory to Japan.
Go on a Wildlife Safari
Go Birding (bird watching safari)
the introduction of vehicles, humans, and their pollutants to the savannas can and have been hazardous to the plants and animals of such areas
grasslands have been turned into farmlands for growing crops and rearing cattle
fires are more likely to start by humans damaging the soils
animals have been hunted for their valuable body parts, and in some cases nearly becoming extinct
View Tribal Life
Try Rafting on the Nile
Major Soil Types