Homework 4 1. a. The Michigan Science Center contains a constructed bioswale. Th

Homework 4
1. a. The Michigan Science Center contains a constructed bioswale. The mean conservation coefficient for native and invasive species is 1.1. There are 7 native species and 11 invasive species. What is the total Floristic Quality Index?
b. Suppose the mean conservation coefficient for native species only is 2.9. What is the native Floristic Quality Index.
You can find the formulas in the slides Class 8 Ch-8-Storm-Water-Management-and-LID–ABC of GSI.pptx.
2. a. The Tree Equity Index formula is TES = 100 (1 – GAPScore E). It is both simple and complicated. The complicated part come from ascertaining E, which is the Priority Index. We did not go over the priority index in class, because it takes a bit of effort and time to follow in.
We did go over the gap score, but this too can be a bit of a process. So, lets make some assumptions. Suppose the GAPScore is 0.349862 and E is 0.512908. What is the Tree Equity Score, TES?
b. Higher TES means more tree equity exists. Lower TES means that this area has a higher priority for closing the tree equity gap.
Supposed, in addition to the TES you calculated above, you calculated the TES for another block group and it is 43.399721. Between these 2 block groups, where would you recommend a tree planning exercise?

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