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Date Created: 11/12/15
Lisa Allen 1 Week 5 Final Week 5 Final Lisa Allen SCI/256 March 8, 2012 Linda Pope Lisa Allen 2 Week 5 Final Week 5 Final 1) Discussion questions from week One: Question 3 What is an example of a Jcurve population in nature? Explain. What is an Scurve? Define carrying capacity. The Exponential curve (also known as a Jcurve) happens when there is no boundary line to the size in population. An exception would be a period of a plague that results in numerous deaths which would produce a noticeable but small downward spike in the curve. The Logistic curve (also known as an Scurve) shows the result of a limiting factor such as in the carrying capacity of the environment (Farabee, 2010). 2) Discussion questions from week Two: Question 1 Identify a natural ecosystem in which you live or one near to where you live. How does this ecosystem support you? At what trophic level are you? Why? There are quite a few ecosystems where I live as I live in a very rural area in Gaston. There are natural forests all around and a manmade lake called Hagg Lake a few miles from my home. On the East side of my home there is a small creek (Scoggins Creek, a tributary of the Tualatin River) that drains into the lake. Sain Creek and Tanner Creek also feed into the lake as well. Hagg Lake is used for recreation in the summer and flood control in the winter. It provides irrigation water to agricultural areas of the basin, and municipal and industrial water to the cities of Forest Grove, Cornelius, Hillsboro, Beaverton, and several smaller towns. Water from Hagg Lake also is used by Clean Water Services, the primary wastewater and storm water management agency in the Tualatin River Basin, to supplement the flow in the lower Tualatin Lisa Allen 3 Week 5 Final River in order to enhance water quality and help the river meet water quality standards (Rounds, 2007). 3) Discussion questions from week Three: Question 4 Is your community people or caroriented? Why or why not? How does that affect energy use and sustainability of your community? The community that I live in is a car oriented community. It is a car oriented community because we live pretty much out in the middle of nowhere by Hagg lake in Gaston, and there is no public transportation. I have heard that Trimet had been talking about bring public transportation out that far because of the lake and people wanting to go there but no being able to because they do not drive. However it has not happened. I have lived in Gaston, for 26 years and they had been talking about bringing Trimet out that far since I was 10 years old. I feel that it will never happen as the lake is only open for 67 month out of the year and I feel that they do not think that it would be cost effective. 4) Discussion questions from week Four: Question 1 How could your community better manage its water resources? At this time I feel that my community is alright in the area. In fact there is so much excess water that it is diverted to other areas to support their water needs as shown in question number two Lisa Allen 4 Week 5 Final 5) Discussion questions from week Five: Question 4 Who should manage the natural resources: legislature, public, scientists, or special interest groups? Why? In the community that I live I feel that Stimpsons mill across the street from my house should manage the natural resources as they own most of the forest and small ponds in the area. I see them cutting down trees however I do not ever see them planning new ones. Just a few years ago they burned a lot of the trees that were not useable but I have not seen them trying to replace the trees that they destroyed. If they do not want to rebuild the forests then should not be able to cut them down. If they “do not have time” they should elect someone in the community to do it however they should have to pay for the rebuilding of the forests not the person that they elect. Lisa Allen 5 Week 5 Final References Farabee, M.J. (2010). Population Ecology. Retrieved from http://www.emc.maricopa.edu/faculty/farabee/biobk/biobookpopecol.html#Population Growth Rounds, S. (2007). Henry Hagg Lake Water Quality Model. Retrieved from http://or.water.usgs.gov/projs_dir/pn356/hagg_lake/
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