Describe the effect of pollution on stream diversity using

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Reference no: EM133371634

Questions:

1) Having read the text of this learning journal, write a definition for each of the following reporters - ie what ecological measure does each of them represent?

Individual species counts
Total Catch
Total Species
2) Which of the measure (or measures) of species diversity that you have described in question 1 reflects how evenly individuals are distributed among different species?

3) Which measure of species diversity that you have described in question 1 reflects the overall density of organisms in an area?

4) Run the simulation and set the sampling time = 200. Perform the experiment three times with no pollution and three times with severe pollution. Record counts in your journal for individual species, for total species and for total catch in each run. Create a table for easier recording and analysis and calculate the average (mean) values for each read out. Present your calculated results in a graphical format - you may choose which ever type of graph you think best displays your data (bar, line or pie).

5) Which species appear to be the most sensitive to pollution? Which species are the least sensitive?

6) Observe the cumulative species to sampling time plot. Explain what it represents and describe how it changes (if it does) in the presence and absence of pollution. Is it behaving as you would expect?

7) Briefly describe the effect of pollution on stream diversity using data to support your analysis and make some suggestions about why pollution could cause the changes you have observed.

Reference no: EM133371634

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