None Moderate Severe Caddisfly 6 2 0 Dragonfly 2 11 1 Mayfly 5 2 0 Crayfish 3 16 7 Stonefly 11 1 0 Sowbug 4 8 5 Rif Beetle 4 1 0 Worm 1 5 20 W. Penny 8 3 0 Black Fly 7 3 4 Gill Snail 0 0 0 Midge 6 5 4 Dobsonfly 5 4 2 Leech 5 3 1 Cranefly 8 7 4 Lung Snail 7 11 15 Table 1: Data Collection from stream Use the Simpson’s Diversity Index to determine the effect of pollution on the level of biodiversity. Remember the formula is: Diversity Index = 1-Σ(n/N)^2 Record that information here: Pollution Level Simpson’s Diversity Index Species Richness None Moderate Severe Use this information to produce a graph comparing the biodiversity indices of the stream with varying levels of pollution. Which level of pollution would you invest time and resources into restoring, and why?
|
None |
Moderate |
Severe |
|
|
Caddisfly |
6 |
2 |
0 |
|
Dragonfly |
2 |
11 |
1 |
|
Mayfly |
5 |
2 |
0 |
|
Crayfish |
3 |
16 |
7 |
|
Stonefly |
11 |
1 |
0 |
|
Sowbug |
4 |
8 |
5 |
|
Rif Beetle |
4 |
1 |
0 |
|
Worm |
1 |
5 |
20 |
|
W. Penny |
8 |
3 |
0 |
|
Black Fly |
7 |
3 |
4 |
|
Gill Snail |
0 |
0 |
0 |
|
Midge |
6 |
5 |
4 |
|
Dobsonfly |
5 |
4 |
2 |
|
Leech |
5 |
3 |
1 |
|
Cranefly |
8 |
7 |
4 |
|
Lung Snail |
7 |
11 |
15 |
Table 1: Data Collection from stream
Use the Simpson’s Diversity Index to determine the effect of pollution on the level of biodiversity. Remember the formula is: Diversity Index = 1-Σ(n/N)^2
Record that information here:
|
Pollution Level |
Simpson’s Diversity Index |
Species Richness |
|
None |
||
|
Moderate |
||
|
Severe |
Use this information to produce a graph comparing the biodiversity indices of the stream with varying levels of pollution. Which level of pollution would you invest time and
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