A new diversity index
We introduce here a new index of diversity based on consideration of reasonable propositions that such an index should have in order to represent diversity. The behaviour of the index is compared with that of the Gini-Simpson diversity index, and is found to predict more realistic values of diversit...
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| Veröffentlicht in: | Physical biology 2021-11, Vol.18 (6), p.66004 |
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| container_title | Physical biology |
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| creator | Augousti, A T Atkins, N Ben-Naim, A Bignall, S Hunter, G Tunnicliffe, M Radosz, A |
| description | We introduce here a new index of diversity based on consideration of reasonable propositions that such an index should have in order to represent diversity. The behaviour of the index is compared with that of the Gini-Simpson diversity index, and is found to predict more realistic values of diversity for small communities, in particular when each species is equally represented and for small communities. The index correctly provides a measure of true diversity that is equal to the species richness across all values of species and organism numbers when all species are equally represented, as well as Hill's more stringent 'doubling' criterion when they are not. In addition, a new graphical interpretation is introduced that permits a straightforward visual comparison of pairs of indices across a wide range within a parameter space based on species and organism numbers. |
| doi_str_mv | 10.1088/1478-3975/ac264e |
| format | Article |
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| fulltext | fulltext |
| identifier | ISSN: 1478-3975 |
| ispartof | Physical biology, 2021-11, Vol.18 (6), p.66004 |
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| language | eng |
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| source | MEDLINE; IOP Publishing Journals; Institute of Physics (IOP) Journals - HEAL-Link |
| subjects | Biodiversity diversity index entropy Gini–Simpson index species richness |
| title | A new diversity index |
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