Resilience And Diversity

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The Effect of Species diversity on Ecosystem Resilience Hunter Greer Mr. PattersonSBI 3U Block I September 14, 2017 Abstract: The purpose of this lab was to see if the amount of plant species affects the resistance of an ecosystem. The way I did this was I went to page 39 in the textbook and I looked at the chart of information. It had the resilience a plant community had verses a drought depending on how many species where in it. In the end I found out that the more species there are in an ecosystem the more resilience it has to drought. Introduction: In an ecosystem from 1986 to 1988 scientists determined the resilience of the ecosystem through its entire cycle, lowest level to peak level …show more content…

Resilience is the ability of an ecosystem to maintain a balance despite disturbances like droughts, disease, etc. How is resilience related to species diversity within an ecosystem? Resilience is related to species diversity within an ecosystem. They are relate because in scientific study's it shows that areas that have more species diversity have higher resistance to invasive species and decreased incident of disease. 3. Why is it important to maintain biodiversity in ecosystems? It is important to maintain biodiversity in an ecosystem because it increases resistance to disease, invasive species, etc. As well It will keep the ecosystem more stable and make it healthy. Purpose: The purpose of this lab was to see if the amount of plant species in an ecosystem affects it resilience to droughts, diseases, …show more content…

Go to https://nces.ed.gov/nceskids/createagraph/ Then use the information in the text book to create a bar graph on the website above. Data analysis and Interpret: As shown from the data in the graph the more plant species in the ecosystem the more resilience it had. When the ecosystem had only two plant species in a drought the resistant was –1.1. When the ecosystem had 8 plant species it had a resistant rate of –0.65 this was a .55 increase in resilience to the drought. Then when the ecosystem had 24 plant species it's resistance to the drought was -0.38. Which is a 0.27 increase in resistance to the drought from -0.65. I predict that the ecosystems with the most plant species will go back to normal conditions after the drought faster than those with less plant species. I predict this because they had a higher resilience rate so they were not as affected or damaged as the ecosystems with less plant species.

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