Sahara Desert The Sahara Desert is the world’s largest desert area. The word Sahara comes from the Arabic word sahra’‚ meaning desert. It extends from the Africa’s Atlantic Ocean side to the Red Sea and consists of the countries of Morocco‚ Algeria‚ Tunisia‚ Libya‚ Egypt‚ Mauritania‚ Mali‚ Niger‚ Chad‚ and Sudan. It is about 5‚200 miles long. Overall‚ the Sahara Desert covers 3‚500‚000 square miles. The geography of the desert is varied. In the west‚ the Sahara is rocky with varied elevation
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Tropical Rainforest What it is? A tropical rainforest is an ecosystem type that occurs roughly within the latitudes 28 degrees north or south of the equator. This ecosystem experiences high average temperatures and a significant amount of rainfall. A biotic conditions of a tropical rainforest? The a biotic factors of this rainforest bio me are-the amount of water and sunlight‚ climate‚ weather and precipitation. These things affect the trees and animals that live there. These are very important
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Tropical rainforests can be located in areas near the equator where the climate is warm and days last around 12 hours a day. The weather consists mainly of 79-157 inches of rainfall per year. The temperature in the tropical rainforest ranges between 68°F-93°F‚ keeping it consistently warm year long. It can downpour about 2 inches in only an hour. With recurrent rainfall‚ the rainforest remains moist and humid. The tropical rainforest’s humidity can reach up to 88%. Bengal tigers are an endangered
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TROPICAL CYCLONES IN AUSTRALI A Tropical cyclone is one of the most common natural hazards in Australia. It’s also called ‘typhoon’‚ ‘hurricane’‚ ‘tropic storm’ and so on. If you look at the climatological data for tropical cyclone‚ you can find out that the actual shape of a tropical cyclone is almost the same as a whirlpool. How could this amazing phenomenon happen? There’re several conditions needed to develop a tropical cyclone. Tropical cyclones are formed above the ocean
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Tropical savannas are related to the tropical wet and dry climate type. Savannas grow in the regions where the climax community should be some form of seasonal forest or woodland‚ but changed conditions or bothers prevent the setting up of those types of trees with the same climax community. The word savanna directly means plains. Savannas are made up of continuous sheets a grass. They often grow with in 3-6ft tall. They may also have an open canopy of fire and drought resistant grasses‚ or
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* TROPICAL GRASSLANDS (SAVANNAH) This is grassland with scattered individual trees. They cover almost half the surface of Africa*(about % million sq. miles generally central Africa) and large areas of Australia‚ South America and India. REGIONAL CLIMATE The climate is warm and hot Rainfall is about 50.8 to 127 cm annually. SOIL ORDERS The soil is porous with rapid water drainage. Contains a thin layer of humus. DORMINANT GROWTH FORMS Rhodes grass and red oat grass‚ in East Africa Star grasses and
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Nowadays‚ climate change is one of the most natural events that has occurred throughout the world. It has led to a strong effect on many animals‚ by becoming a main decision of the developments of speciation or a widespread extinction. In fact‚ many reptiles are highly susceptible to the changed temperatures due to their physiological features which need to respond the surrounding environment to remain equally the body temperature. Additionally‚ there are many kinds of snakes‚ lizards‚ crocodilians
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The Sahara Desert is located in the northern portion of Africa and covers over 3‚500‚000 square miles (9‚000‚000 sq km) or roughly 10% of the continent (image). It is bounded in the east by the Red Sea and it stretches west to the Atlantic Ocean. To the north‚ the Sahara Desert’s northern boundary is the Mediterranean Sea‚ while in the south it ends at the Sahel‚ an area where the desert landscape transforms into a semi-arid tropical savanna. Since the Sahara Desert makes up nearly 10% of the African
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Discussion Based on the data at Tables 4c.2 and 4c.3‚ it is evident that the tropical rainforest has higher species richness than the tropical grassland ecosystem. However‚ when based in the indices on Diversity‚ Similarity and Dominance in the tropical grassland and tropical rainforest data‚ the Simpson Indices favor the data for the tropical rainforest as more diverse than the tropical grassland. The Simpson Indices‚ as defined in Cuevas et. al (2012)‚ is based on dominance and as the number of
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Tropical Cyclones Description of Tropical Cyclones A tropical cyclone is a particular type of low pressure system that occurs in the summer months near northern Australia and composes over warm tropical waters. Cyclones can also be defined as gale force winds and heftily ponderous rain that can be highly destructive. Cyclones can cause the moving and reshaping of sand dunes‚ whilst also generating extensive erosion along the coast. They additionally create flooding‚ damage inland and landfall.
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