segunda-feira, 5 de setembro de 2011
Indian Embassy "Backyard"
According to the Simpson's diversity index, the Indian Embassy backyard is very diverse. The diversity, represented by D, ranges from 0-1, where 1 represents no diversity and 0 infinite diversity. After calculating the number of different plants by meter by combining the data with the ones of other groups, D turned out to be .095. This number is nearly zero, showing the area is very diverse. This is not surprising since the vegetation in the Indian Embassy backyard is the cerrado, which is considered to be a very diverse ecosystem. Since the Simpson's diversity index uses an inverse thinking, many choose to use the Simpson's index of diversity which is (1-D). Despite having the same result, it looks more logical since as the index of diversity approaches 1, the area is more diverse. In this case, 1-D is 0.905.
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I like your rationale for the unexpected number, however, re-read the information regarding the SDI and you will find that your two numbers (0.095 and 0.905) indicate the same diversity.
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