Geography Lab Report


GeographyLab Report

Relationshipbetween Land Uses and Water ShedsIntroduction

Environment is madeup of many geographic features such as mountains, rivers, lake, andvegetation among others. This geographic features at one point or notthey are necessary for human activity such as agriculture, mining,urbanization among others. The data given out from the map enable usto quantify human activities in six Michigan watersheds, assess therelationship between land use and land cover in the watershed regionand lake quality. It also disrupts factors affecting water pollutionsuch as agriculture, urbanization, and deforestation. These ishelpful in quantifying land cover and land use by the human beingswho settle in that resident. From the data given, it is easy toanswer the question that follows:

Answersto Questions

  1. The first issue requires one to state hypothesis based on the data source and decide if he or she rejects or supports the hypothesis. From the data source, one of the assumptions that can be drawn is to access the relationship between the land watershed and human activity. I support the hypothesis since from the data there is a link between the ground cover and usage due to a lot of that lands has been used by human for practicing various human activities that has contributed to land cover.

  2. The second question, the watersheds that have greater level of human activity is near watershed since it is occupied by many people, hence, from the map, one can point out various human activities such as forest, agriculture, and urbanization. And the land cover/uses that are prevalent in each case are agriculture, forest, and urbanization.

  3. It’s important to consider multiple water quality metrics and multiple years of water quality data when making an assessment of a lake’s condition, since over the years there is change in quality metric hence one need to consider this condition which are a direct proportion to the lake’s condition, in that they affect the lake condition directly through human activity and human population. There might be some variation in measurement from a single lake due to some errors that may occur. These can be a dealt with by increasing strength of the results and allowing generalization.

  4. The scatter plot shows some relationship between land cover/use and water quality. Human activity is a factor on its own since it affects land cover, and land use not forgetting water quality. From the statistics, there is a difference in trends on distribution of human activity, for example, agriculture is the leading human activity followed by the forest. From the format or formulae, it is, therefore, possible for one to get a predictive power.

  5. In this question, increase in sample size affects the strength and predictive power of the relationship in that there will be small R2 values which are not unexpected and not necessarily inferior. Hence, there is no expected real hold if you expand the scope of the study to other places.

  6. For this question, there are two types of graphs used, and this include the pie chart used for plotting discrete categories and scatter plot graph for plotting continuous gradient of land use. In terms of their pros and cons, it’s somehow easy for interpretation and loss of information and the ability to make broader generalizations.

  7. In the last question, there is a correlation between nutrient concentration and algae abundance since the algae depend on nutrients as their food for surviving. The relationship is linear. This relationship makes some sense biologically, since the increase in concentration of the nutrient, leads to the increase of number of algae. The findings, therefore, imply that the step requires managing of eutrophication by preventing discharging of phosphorus in the lakes.