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    Lesson II – Effects of Deforestation Deforestation is the removal or destruction of large areas of forest or rainforest. Deforestation happens for many reasons‚ such as logging‚ agriculture‚ natural disasters‚ urbanization and mining. There are several ways to clear forest -- burning and clear-cutting the land are two methods. Although deforestation occurs worldwide‚ it’s a particularly critical issue in the Amazon rainforests of Brazil. There‚ the tropical forests‚ and the species of plants and

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    Bio 105 Final Study Guide

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    Bio Biology 105 Final Study Guide QUIZ 1: SCIENCE 1. What is science? a. A way of knowing about the natural world using a process designed to reduce the chance of being misled 2. List the 8 steps for the process of science: b. Observation: c. Question: d. Literature review: e. Multiple hypotheses: f. Deductions: g. Tests: h. Tentative conclusions: i. Peer review: 3. 3 rules of science: j. maximize sample size

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    and burning the trees to make lands for farming in the forest. “Slash” I allowed to dry until the rainiest part of the year. Farmers begin to prepare a field by cutting down the trees. The slash and burn farming has to be done carefully because the soil can be washed away from a flood. Every step of the farming system

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    grow sustainable food to avoid weed‚ disease and pest problems‚ get nitrogen from natural sources like green manure and compost‚ practice soil conservation‚ minimize soil erosion and eliminate or limit the contamination of water with agricultural chemicals. The strategies they use to control pests are not harmful to the farmer‚ the consumer or the land and soil structure. In America‚ Ohio State’s dining services programs are actively committed to helping the earth.  Initiatives such as local purchasing

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    Land Pollution

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    deterioration (destruction) of the earth’s land surfaces‚ often directly or indirectly as a result of man’s activities and their misuse of land resources. It occurs when waste is not disposed off properly‚ or can occur when humans throw chemicals unto the soil in the form of pesticides‚ insecticides and fertilizers during agricultural practices. Exploitation of minerals (mining activities) has also contributed to the destruction of the earth’s surface. Human actions have also caused many large areas of

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    invasion of industrial culture on their once simple lives. Soil erosion is another consequence of deforestation. Although these forests appear to be flourishing‚ the soils beneath are very poor. The problem is that once forests have been cut down‚ crucial nutrients are washed out of the soil completely. This leads to soil erosion. When there are no trees to keep the soil in place‚ it dries and cracks under the sun’s heat. If the soil temperature exceeds 25 degrees centigrade‚ explosive nutrient

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    businesses‚ and public services. The groups of farmers who were fortunate to acquire their land in the Northern and Central part of the Midwest were successful because the soil and climate was more favorable for the farming. The farmers who acquired their land on the Great Plains and further west often went bankrupt. This region had poor soil‚ a harsh climate‚ and lack of water supply. The railroad greatly benefited from this because they often bought the land from the bankrupt

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    P.E. Potter J. B. Maynard P. J. Depetris Mud and Mudstones Introduction and Overview With 261 Figures and 48 Tables !j~ Springer LIBRARY CONCORD UNtVERSITY ATHENS‚ WEST VIRGINIA ~ OS ~ Paul E. Potter University of Cincinnati Department of Geology Cincinnati 45221-0013 Ohio USA J. Barry Maynard University of Cincinnati Department of Geology Cincinnati 45221-0013 Ohio USA Pedro J. Depetris Centro de Investigaciones Geoquimicas y de Procesos de la Superficie (CIGeS)‚ FCEFyN

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    Geography

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    of future generations to meet their needs. Soil erosion and desertification Soil erosion * The washing or blowing away of top soil. * There are three types: * Sheet erosion – occurs in parts with moderate rainfall * Gully erosion – occurs where there’s intense rainfall and little vegetation cover. Force of water cuts gullies in slopes :O! * Wind erosion – occurs in dry parts of world * What makes soil erosion worse? * Deforestation and removing

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    Land Degradation

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    versus environmental deterioration also has created a debate. Some economists argue that the on-site impact of soil erosion and other degradative processes are not severe enough to warrant implementing any action plan at a national or an international level. Land managers (farmers)‚ they argue‚ should take care of the restorative inputs needed to enhance productivity. Agronomists and soil scientists‚ on the other hand‚ argue that land is a non-renewable resource at a human time-scale and some adverse

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