diversity index


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diversity index

a single integrated measure that expresses the diversity of a particular community of organisms, e.g. freshwater invertebrates. The index can be related to the level of pollution in an ecosystem, and the greater the diversity, the less the pollution.
References in periodicals archive ?
29a) exhibited the highest Shannon diversity index and had a more diverse bacterial community compared to Hampshire (6.
Conversely, there are only 22 companies in the index that have reached gender parity--or 50% female representation--at the board level, according to the most recent Equilar Gender Diversity Index (GDI).
Spherical and exponential semivariograms for the variables of species richness (S), Shannon diversity index (H') and the Fire Damage Index (FDI) in a fragment of semideciduous seasonal forest in Ibituruna, MG, Brazil, during plant surveys undertaken in 2000, 2005 and 2014.
The abundance and the diversity index of Rancing sweet potato rhizosphere bacteria from LCI and LJA site was analyzed based on the number of bacterial cells and the frequency of species appearance during growth phases.
Biodiversity parameters were calculated by using the Shannon diversity index (Shannon, 1948).
This group also scores lower on Gallup's Diversity Index, which is designed to measure a community's acceptance of people from different racial, ethnic or cultural groups.
Diversity index (DI) values were calculated by the formula given by (Simpson, 1949);
This study aimed to evaluate the efficiency of the prediction of the Shannon diversity index and Pielou Equitability Index in fragments the Brazilian Cerrado biome, from vegetation indices and landscape metrics employing ANN.
The Shannon-Weaver (H') diversity index Makes it possible to evaluate the diversity of a stand in a biotope [5].
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