The Dust Bowl started due to overgrazing and farmers planting crops to replace the prairie grasses (“Dust” 466; “The Dust” 1). Without the prairie grass‚ the soil was not protected from the wind because the roots of the crops were not strong enough to hold it together (“Dust” 466). To
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ate transforming traditional rangeland use‚ altering rangeland conditions and disrupting the lives of herders dependent on the range resources. Major issues regarding rangeland biodiversity include: habitat degradation and loss; loss of species‚ overgrazing and exploitation of rangeland sources‚ poaching of
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cultivation is employed by farmers who clear the land of its trees and other vegetation to plant crops. • Monocropping is planting of a single type of crop on a piece of land. After harvesting‚ the same type of crop successively replanted. • Overgrazing is when goats‚ sheep and cattle are allowed to graze on the same pasture over prolonged periods they remove almost all of the vegetation leaving the top soil exposed. • Ploughing farmers normally plough hillsides forming gullies and furrows which
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The Maasai are one of the many southern-most tribes located in Kenya. They are physically related‚ and also in many other forms related to the Samburu and Turkana. The Maasai have a relatively complex culture and traditions. In fact‚ for many years they were unheard of. By the late 1800’s we soon discovered more about the Maasai‚ mostly from their oral histories. It is presumed that the Maasai came from the north‚ probably from the region of the Nile Valley in Sudan. Also
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The Natural Capitalism theory shows‚ how people decisions and needs influence on external environment: nature‚ animals and all others. It doesn’t mean that ‚this way of thinking wanted from us become more confident and careful about nature‚ but it shows‚ that there are still a lot of opportunities which people can support and apply ‚in order to change modern tendency of pollution process and uncontrolled wastes. The theory of Natural Capitalism was explained in book: “Natural Capitalism: Creating
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Food Web Diagram The African Grasslands are areas where the vegetation is dominated by grasses and other herbaceous (non-woody) plants. Grasslands cover nearly 50 percent of the land surface of the continent of Africa. While grasslands in general support diverse wildlife‚ given the lack of hiding places for predators‚ the African Savannah regions support a much greater diversity in wildlife than do temperate grasslands. The root systems of perennial grasses and forbs form complex mats that
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he kept cutting down the Truffula trees that he would destroy the ecosystem and that no animals would be able to live there‚ from all the smoke‚ food shortage‚ disease and the Gluppity Glup. We also studied these topics in class. Some of them overgrazing‚ deforestation‚ water pollution. Topics covered in our classroom and in the movie are
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Versailles‚ deforestation is practiced. -New crops from the New World are grown and harvested. -Large-scale silver mining occurs which causes deforestation. -Cattle and other domesticated animals from other regions cause destruction of pastures by overgrazing. -Horses and other imported animals affect the lifestyles of many indigenous peoples. A. Silver mining occurs on a larger scale. B. New crops are planted and harvested in all regions of the world. C. New animals are introduced to various
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Hydrological cycle or water cycle : This is a global circulation of water. (closed system) Closed system : This means that there is a fixed amount of water in the system. Stores 1. The atmosphere 2. The land 3. The sea Flows (or transfers) 1. Evaporation 2. Condensation 3. Overland flow 4. Throughflow Drainage basins : Every river has this system‚it is small-scale of hydrological cycle. (open system ) Open system : The amount of water in the system in the basin varies over time. Discharge
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in the quality and quantity of soil caused by agriculture and industrial purposes. Types of soil degradation are water and wind erosion‚ physical degradation and chemical degradation. Some of these are human causes and some are physical causes. Overgrazing‚ deforestation‚ overpopulation‚ fertilizer and pesticide use and conflict are some examples of human causes. Some physical causes are rising temperatures‚ falling rainfall‚ wind‚ flash floods and topography. Soil degradation has many consequences
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