PDS AP Environmental Science 8th Period 2010-11

Thursday, February 17, 2011 Today in class, we discussed Soil Degradation and Conservation, Chapter 9 (part IV of study guide), but mostly focused on erosion and ways to prevent erosion. First, we discussed the causes of degraded soil, which are: overgrazing deforestation cropland agriculture industrialization We also talked about the different types of degraded soil, [...]

Many common problems affect soil around the world on a daily basis. The ones we covered in class are: desertification, salinization, water logging, and reduced fertility. DESERTIFICATION- Desertification is mainly due to drought, but human activity can also speed up the process. Whenever humans plow, overgraze, deplete water sources, and so on, they run the [...]

Soil Formation and Structure “The Nation that Destroys Its Soil Destroys Itself” -FDR Agriculture is the single most damaging thing we, humans, do to the environment. While “damaging” and “environment” are both very vague terms for a very complex problem, agriculture is responsible for loss of habitat, biodiversity, and the cause of dead zones. But [...]