Flowering rush (Butomus umbellatus) is a pink flowering perennial that has been identified as a prohibited noxious weed in Alberta. It is native to Europe, Africa, and Asia, but due to its prolific growth rate on shorelines, it has been crowding out the native species of Alberta. The following table shows the population growth of flowering rush in Chestermere Lake of Calgary. Year Population (N) 2007 10 2008 7 2009 8 2010 22 2011 46 2012 77 2013 158 2014 319 2015 297 2016 355 2017 334 2018 313 2019 291
Flowering rush (Butomus umbellatus) is a pink flowering perennial that has been identified as a prohibited noxious weed in Alberta. It is native to Europe, Africa, and Asia, but due to its prolific growth rate on shorelines, it has been crowding out the native species of Alberta.
The following table shows the population growth of flowering rush in Chestermere Lake of Calgary.
Year | Population (N) |
2007 | 10 |
2008 | 7 |
2009 | 8 |
2010 | 22 |
2011 | 46 |
2012 | 77 |
2013 | 158 |
2014 | 319 |
2015 | 297 |
2016 | 355 |
2017 | 334 |
2018 | 313 |
2019 | 291 |
Chestermere Lake has an area of 2.65 square km and an average depth of 2 m.
1. The growth rate of the flowering rush population above from 2009 to 2016 was ___________
2. The per capital growth rate of the flowering rush population above from 2009 to 2016 was _________
3. Show your work in calculating the population density of flowering rush in Chestermere Lake in 2016.
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