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The image displays a flowchart diagram explaining the negative effects of clear-cutting forests, starting point Clear-cutting of forests lead to three initial consequences: Heavy logging equipment compresses the soil, Fewer roots hold the topsoil in, Increased risk of burning (deliberate or accidental). The first leads to Soil becomes hard and 'baked', resulting in Rainwater runs off which causes Flooding. The second leads to Topsoil erodes. The third leads to Waste wood from logging is destroyed, and Plants return less moisture to air. Destruction of waste wood means Micro-organisms feeding on waste lost which results in Pioneer species move in, vegetation is degraded leading to Less biodiversity. Plants returning less moisture results in Less precipitation which leads to Increased drought. No numerical data points/percentages provided.
Given the complexity of the image, the above description may not be entirely accurate.
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The flow chart shows what typically occurs as a consequence of deforestation. When trees are removed, there are four main immediate effects, which eventually result in flooding, degraded vegetation and a loss of biodiversity.
One immediate effect is soil which has been compacted by heavy equipment. The result hard, ‘baked’ soil contributes to the run off of rain water and, eventually, flooding.
Another immediate consequence of logging is a reduction in the number of roots holding the soil together. This leads to soil erosion. As a consequence, the quality and variety of vegetation is compromised.
The third immediate effect is burning, both deliberate and a consequence of an increased risk of forest fires. The waste that remains after loggings is destroyed and the microorganisms that feed on this material are lost. This leads to degraded vegetation.
The final immediate consequence is a reduction in the amount of moisture plants return to the air. Because there is less moisture in the air, there is less precipitation and an increased incidence of drought. This too reduces plant growth and ultimately results in degraded vegetation and a loss of biodiversity.
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