Diversity index

I’m trying to learn for my Biology class and I’m stuck. Can you help?

gives a simple example for how to calculate the index. H max is the maximum value given a perfectly even community

Table #1: Transect A

Species name

% cover

Chthamalus dalli

43%

Conspicuous chiton

5%

Anthopluera sola

2%

Megastraea Undosa

10%

Chondracanthus canaliculatus

10%

Mytilus californianus

10%

Lottia scabra

10%

Petrospongium rugosum

3%

Nuttallina californica

7%