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17.2 Average taxonomic diversity and distinctness
Two measures, which address some of the problems identified with species richness and the other d...
16.7 Second-stage interaction plots
Phuket coral-reef times series A rather different application of second-stage MDS¶ is motivated b...
16.6 Comparison of resemblance measures
S Tikus Island coral cover The use of second-stage MDS plots can be extended to also include the ...
16.5 Second-stage MDS
It is not normally a viable sampling strategy, for soft-sediment benthos at least, to use BVStep ...
16.4 Further extensions
Both BEST Bio-Env and BVStep routines can be generalised to accommodate possibilities other than ...
16.2 Matching of ordinations
The BEST (Bio-Env) technique of Chapter 11 can be generalised in a natural way, to the selection ...
15.6 Examples
Example: Tees Bay macrofauna Fig. 15.7 shows the nMDS plot for the inter-annual macrofauna sample...
15.4 Breakdown of seriation
Clear-cut zonation patterns in the form of a serial change in community structure with increasing...
15.3 Increased variability
noted that, in a variety of environmental impact studies, the variability among samples collecte...
15.2 Meta-analysis of marine macrobenthos
This method was initially devised as a means of comparing the severity of community stress betwee...
14.3 Examples 4, 5, 6 and 7
Example 4: Fish communities from coral reefs in the Maldives In the Maldive islands, compared ree...
Appendix 3: Bibliography
Addison & Clark (1990) Addison, R.F. and Clarke, K.R. (1990) ‘Biological effects o...
Bootstrap regions for Fal estuary macrofauna
A final example of bootstrap regions which do strongly overlap, and for which the hypothesis test...
Bootstrap regions for Tikus coral reef study
The above study was not an example given in Chapter 18 of CiMC and was therefore discussed in det...
Taxonomic distinctness (European groundfish)
The aggregation matrix for the NW European beam-trawl survey data on groundfish assemblages (93 s...
Running the Bootstrap Averages routine
None of the above is necessary in order to create the means plot with regions based on bootstrap ...
(W Australia fish diets)
The diet study for 7 species of W Australian fish, with a variable number of dietary samples from...
Output options for region plots
These b bootstrap averages for each of the g groups are then displayed in a low-d mMDS space and ...
Bootstrap averages in a reduced $m$MDS space
Though hopefully the above gives the motivation and an idea of the way the region estimates are c...
Metric or non-metric plots?
The Analyse>Bootstrap Averages routine allows both metric and non-metric options for the MDS ordi...