Tropical powerpoint template

Tropical

Transcript: Plants The biome productivity of a tropical savanna is around 3000 kilocalories per meter squared of space per year. This means that there is a net total of 3,000,000 calories available to producers, or firt level organisms every year from a square meter of space Then there are 300,000 available to consumers each year, and 30,000 calories available to secondary consumers every year. This may seem like a lot, but consider the fact that you consider over 2000 calories every day! In reality, the savanna has one of the higher productivity levels out of all of the biomes. This is most likely due to the large amount of sunlight that strikes the savannah, creating a huge surplus of grass for herbivores to feed upon. The decomposing grass also creates fertile soil. The biome could be more productive by having a larger amount of rainfall. During the rainy season, biome productivity is very high, but the dry season cripples the productivity of the biome. Trees shed their leaves, and plants don't grow very much. If the Tropical Savanna had more rainfall, it could easily become a tropical rainforest, which is extremely productive, producing around 9000 kilocalories per square meter of land per year. Still, due to the Savanna's numerous flora and surplus of sunlight, it is one of the most productive terrestrial biomes. More Plants! http://worldwildlife.org/ by: Noah Sitar, Nate Welsch, and Ronald Schwartz http://www.blueplanetbiomes.org/savanna.htm http://www.britannica.com/EBchecked/topic/606659/tropism http://www.britannica.com/EBchecked/topic/525656/savanna/70798/Biological-productivity Thigmotropism: A species of grass known as Bermuda Grass has the ability to creep slowly across the ground. When portions of the grass are cut, due to herbivores or any other natural cause, the grass literally shifts its roots, or uses them to tunnel through the earth. Then, the grass simply shifts positions. The grass is constantly migrating to new areas, and, if while moving, contacts a rock, it will simply move around it. Bermuda Grass can also move to areas where more water is available. Tropical Savannas are characterized by flat, grassy plains and scattered trees. The average precipitation ranges from as low as 20 centimeters to as high as 130 centimeters, depending on the season. The temperatures in the savanna are almost always warm, and don't range very far from 64 to 80 degrees Fahrenheit. Summers are usually warmer, and are often called the rainy seasons due to having a larger amount of precipitation (around 75 centimeters). Winters are usually cooler and are often called the dry seasons due to a lack of rainfall (around 25 centimeters). Animals in the savanna don't have to adapt to changes in temperature, but they have to adapt to the availability of water. Most animals do this by traveling to and from watering holes and living beside them until they dry up. other animals simply learn to store water. Animals in the savanna have adapted to changes in precipitation. Many animals migrate to try and find new water sources. Animals also have digestive adaptations to try and conserve water from their food when they eat. Since there is little cover in the savanna, most animals have adapted y developing camouflage. Lions have tan colorings to try and blend in with the tall, tan grass. Due to lack of obstacles to run around, many animals have gained the ability to run extremely fast for short periods of time. For example, cheetahs can run 60 miles an hour for a good twenty seconds. Many animals also adapted to lack of cover by becoming nocturnal to help keep themselves hidden. Leopards hunt during the night to help disguise themselves. Lastly, many animals try and stick together in large herds or groups. This can provide cover and confuse predators. For example, zebras live in groups for protection, and when hunted by predators, their stripe patterns blend with each other and make it difficult to distinguish between each zebra. References Biome Productivity Where Is The Savanna? Not every source is mentioned A land of wonder and beauty. Climate and Geography Humans have been destroying this valuable and amazing biome ever since the 1900s. The first major problem in Africa is poaching. Tropical Savannas are home to some of the most unique animals in the world, and for this reason, these animals are valuable. This makes them a major target for poachers. In an eight year period, the African Elephant population dropped by 700,000. And hundreds of other animals are being killed every year.But the world Wildlife Fund is working to stop poaching and protect these animals. Over the past two decades, Black Rhino populations have doubled. The WWF also helps the government by training law enforcement officers and by tracking endangered animal movements. Another major problem is habitat destruction. Emerging African countries destroy the environment for resources. They are also overfarmig the land, which in turn causes the desertification of

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