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8.4 Examples: Loch Linnhe and Garroch Head macrofauna
ABC curves for the macrobenthos at site 34 in Loch Linnhe, Scotland {L} between 1963 and 1973 are...
8.3 Examples: Garroch Head and Ekofisk macrofauna
Plots of geometric abundance classes along a transect across the Garroch Head {G} sewage-sludge d...
8.2 Graphical/distributional plots
The purpose of graphical/distributional representations is to extract information on patterns of ...
6.8 Example: Mesocosm experiment (two-way crossed case with no replication)
Although the above test may still function if a few random cells in the 2-way layout have only a ...
7.1 Species clustering
Chapter 2 (page 2.4) describes how the original data matrix can be used to define similarities be...
8.1 Univariate measures
A variety of different statistics (single numbers) can be used as measures of some attribute of c...
Compute time & limits on path numbers
A new option in PRIMER 7 recognises that computation time can become an issue for particular rela...
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...
Setting the initial directory
It may sometimes be convenient to set the initial (default) directory to which PRIMER 7 opens eve...
Weighting of tree step lengths
The other box in this Taxonomy (data) dialog can be used to alter the weights given to the variou...
1.7 Multivariate techniques
Table 1.5 summarises some multivariate methods for the four stages, starting with three descripti...
7.10 Bubble plots (plus examples)
Bubble plots Abundance (or density, biomass, area cover etc) for a particular species can be show...
7.8 Species contributions to sample (dis)similarities – SIMPER
Dissimilarity breakdown between groups The fundamental information on the multivariate structure ...
7.6 Example: Garroch Head macrofauna
An example where the biotic sample axis could have sensibly been ordered according to an a prior...
7.5 Example: Bristol Channel zooplankton
This example, last seen in Chapter 3, consists of 24 (seasonally-averaged) zooplankton net sample...
7.3 Example: Amoco-Cadiz oil spill
A second example of deriving sets of coherent species curves, this time temporal rather than spat...
7.2 Type 2 and type 3 SIMPROF tests
describe in full detail a range of useful SIMPROF tests, which they classify as Types 1, 2 and 3...
6.18 Recommendations
For typical species abundance matrices, it is much preferable to use a non-parametric ANOSIM-ty...
6.17 Example: Tees Bay macrofauna
The final example in this chapter is of a mixed nested and crossed design B$\times$C(A), for a to...