Statements (22)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
diversity index
ecological metric |
| gptkbp:alternativeFormula |
D = 1 - Σ (n/N)^2
|
| gptkbp:category |
biodiversity indicator
statistical index |
| gptkbp:form |
D = Σ n(n-1) / N(N-1)
|
| https://www.w3.org/2000/01/rdf-schema#label |
Simpson's diversity index
|
| gptkbp:introducedIn |
1949
|
| gptkbp:lowerValueMeans |
higher diversity
|
| gptkbp:measures |
species diversity
probability that two individuals randomly selected from a sample will belong to the same species |
| gptkbp:namedAfter |
gptkb:Edward_H._Simpson
|
| gptkbp:range |
0 to 1
|
| gptkbp:relatedTo |
species richness
Shannon index evenness |
| gptkbp:usedIn |
ecology
environmental science biodiversity studies |
| gptkbp:valuation |
lower diversity
|
| gptkbp:bfsParent |
gptkb:Rao's_quadratic_entropy
|
| gptkbp:bfsLayer |
8
|