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Unformatted text preview: What are the three underlying drivers that have recently determined change in farming systems and croplands in the USA? [ 3 points ] Differentiate between land use and land cover. [ 2 points ] According to Lewis Wirth, what are the four characteristics of urban areas/cities [ 4 points ] UNEP (2003) argues 17% of land shows signs of human-caused degradation. What are 5 main causes of land degradation? What proportion of degraded land can be attributed to each of these causes? [ 5 points ] Cause Proportion (%) On the map below locate the main parts of Texas where wind erosion is a major soil degradation issue on farmland and rangeland. [ 2 points ]...
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- Spring '08