15. Biodiversity measures and tests (DIVERSE, TAXDTEST)
Input/output for diversity; Presentation of diversity information
PRIMER computes an extensive set of univariate diversity measures, covering most of the standard ...
Taxonomic distinctness
One of the distinctive features of PRIMER is its inclusion of a suite of biodiversity measures ba...
Standard indices calculated
The range of indices available is illustrated with the macrobenthic data Clyde macrofauna counts ...
Multivariate analysis of diversities
For the diversity (variables) by samples matrix, Data1, Plots>Draftsman Plot>(✓Correlations to wo...
(Bermuda macrofauna ); Caswell’s neutral model
Soft-sediment macrofaunal assemblages (along with meiofauna and biomarker suites) were studied at...
Range of relatedness indices calculated
In order to obtain a diversity measure which steps outside the species abundance distribution, an...
Species distance information
For the first set of measures (on the Taxdisc tab), the Taxonomy button gives a choice of whether...
Distances in aggregation worksheets
Such tree structures (e.g. taxonomies) are one of a distinct worksheet type, Variable Information...
Weighting of tree step lengths
The other box in this Taxonomy (data) dialog can be used to alter the weights given to the variou...
Taxonomic distinctness (European groundfish)
The aggregation matrix for the NW European beam-trawl survey data on groundfish assemblages (93 s...
Box plots & means plots for diversity indices
The sheet Data1 of this suite of diversity indices for each of the 277 samples, split into 9 sea ...
Testing taxonomic distinctness against a master list
Wide-ranging biogeographic studies, and particularly historic data, are often restricted to simpl...
TAXDTEST (European groundfish)
Further theoretical details and discussion can be found in Chapter 17 of CiMC, which also present...
Compute time & limits on path numbers
A new option in PRIMER 7 recognises that computation time can become an issue for particular rela...
Histograms for one sublist size
For an example, take the first of the 277 groundfish samples, the 0.25$^\circ$ rectangle S1. High...
Funnels for a range of sublist sizes
It is impractical to produce detailed histograms, such as those above, for each of the 277 sample...
Using taxon frequency in simulations
Another option on the TAXDTEST dialogs is that the simulation of random draws from the master lis...
‘Ellipses’ for joint values of ($\Delta^{\scriptscriptstyle +}$, $\Lambda^{\scriptscriptstyle +}$))
The final option is to consider $\Delta^{\scriptscriptstyle +}$ and $\Lambda^{\scriptscriptstyle ...