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Setting the initial directory

PRIMER v7: User Manual / Tutorial 1. Opening, editing and saving data (Fi...

It may sometimes be convenient to set the initial (default) directory to which PRIMER 7 opens eve...

Updated 1 year ago by Arden

Weighting of tree step lengths

PRIMER v7: User Manual / Tutorial 15. Biodiversity measures and tests (DI...

The other box in this Taxonomy (data) dialog can be used to alter the weights given to the variou...

Updated 1 year ago by Arden

1.7 Multivariate techniques

Change in Marine Communities Chapter 1: A framework for studying cha...

Table 1.5 summarises some multivariate methods for the four stages, starting with three descripti...

Updated 1 year ago by Abby Miller

7.10 Bubble plots (plus examples)

Change in Marine Communities Chapter 7: Species analyses

Bubble plots Abundance (or density, biomass, area cover etc) for a particular species can be show...

Updated 1 year ago by Abby Miller

7.8 Species contributions to sample (dis)similarities – SIMPER

Change in Marine Communities Chapter 7: Species analyses

Dissimilarity breakdown between groups The fundamental information on the multivariate structure ...

Updated 1 year ago by Abby Miller

7.6 Example: Garroch Head macrofauna

Change in Marine Communities Chapter 7: Species analyses

An example where the biotic sample axis could have sensibly been ordered according to an a prior...

Updated 1 year ago by Abby Miller

7.5 Example: Bristol Channel zooplankton

Change in Marine Communities Chapter 7: Species analyses

This example, last seen in Chapter 3, consists of 24 (seasonally-averaged) zooplankton net sample...

Updated 1 year ago by Abby Miller

7.3 Example: Amoco-Cadiz oil spill

Change in Marine Communities Chapter 7: Species analyses

A second example of deriving sets of coherent species curves, this time temporal rather than spat...

Updated 1 year ago by Abby Miller

7.2 Type 2 and type 3 SIMPROF tests

Change in Marine Communities Chapter 7: Species analyses

describe in full detail a range of useful SIMPROF tests, which they classify as Types 1, 2 and 3...

Updated 1 year ago by Abby Miller

6.18 Recommendations

Change in Marine Communities Chapter 6: Testing for differences betw...

For typical species abundance matrices, it is much preferable to use a non-parametric ANOSIM-ty...

Updated 1 year ago by Abby Miller

6.17 Example: Tees Bay macrofauna

Change in Marine Communities Chapter 6: Testing for differences betw...

The final example in this chapter is of a mixed nested and crossed design B$\times$C(A), for a to...

Updated 1 year ago by Abby Miller

6.16 Example: NZ kelp holdfast macrofauna

Change in Marine Communities Chapter 6: Testing for differences betw...

We now consider the fully nested design, C(B(A)). In north-eastern New Zealand, examined assembl...

Updated 1 year ago by Abby Miller

6.15 Example: King Wrasse fish diets, WA

Change in Marine Communities Chapter 6: Testing for differences betw...

We begin the 3-factor examples with a fully crossed design A$\times$B$\times$C of the composition...

Updated 1 year ago by Abby Miller

6.14 Three-way ANOSIM designs

Change in Marine Communities Chapter 6: Testing for differences betw...

Table 6.4 details all viable combinations of 3 factors, A, B, C, in crossed/nested form, ordered/...

Updated 1 year ago by Abby Miller

6.12 Two-way ordered ANOSIM designs

Change in Marine Communities Chapter 6: Testing for differences betw...

Under the non-parametric framework adopted in this manual (and in the PRIMER package) three forms...

Updated 1 year ago by Abby Miller

6.11 Example: Ekofisk oil-field macrofauna

Change in Marine Communities Chapter 6: Testing for differences betw...

studied the soft-sediment macrobenthos at 39 sites at different distances (100m to 8km) and diff...

Updated 1 year ago by Abby Miller

6.9 Example: Exe nematodes (no replication and missing data)

Change in Marine Communities Chapter 6: Testing for differences betw...

A final example demonstrates a positive outcome to such a test, in a common case of a 2-way layou...

Updated 1 year ago by Abby Miller

6.7 Example: Eaglehawk Neck meiofauna (two-way crossed case)

Change in Marine Communities Chapter 6: Testing for differences betw...

An example of a two-way crossed design is given in and is introduced more fully here in Chapter ...

Updated 1 year ago by Abby Miller

6.6 Example: Clyde nematodes (2-way nested case)

Change in Marine Communities Chapter 6: Testing for differences betw...

analysed meiobenthic communities from three putatively polluted (P) areas of the Firth of Clyde ...

Updated 1 year ago by Abby Miller

6.3 Example: Frierfjord macrofauna

Change in Marine Communities Chapter 6: Testing for differences betw...

The rank similarities underlying Fig. 6.3 are shown in Table 6.2 (note that these are the similar...

Updated 1 year ago by Abby Miller