Assume two habitats have the same number of species. One habitat is predominantly one
species with just a few of the other species. The other habitat has equal numbers of all the
different species. Which will have the highest diversity index?

Question

Assume two habitats have the same number of species. One habitat is predominantly one 
species with just a few of the other species. The other habitat has equal numbers of all the 
different species. Which will have the highest diversity index?

anonymous · Answer

The observed species diversity is affected not only by the number of individuals but also by the heterogeneity of the sample. If individuals are drawn from different environmental conditions (or different habitats), the species diversity of the resulting set can be expected to be higher than if all individuals are drawn from a similar environment. Increasing the area sampled increases observed species diversity both because more individuals get included in the sample and because large areas are environmentally more heterogeneous than small areas.
Basically other habitats with equal no. of all species

anonymous · Answer

Thank you(: