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Table 3 Adjusted r 2 of the forward stepwise multiple regression models linking species richness of total macrofauna and of major taxonomic groups

From: Structure and diversity of shallow soft-bottom benthic macrofauna in the Gulf of Lions (NW Mediterranean)

 

Variables and coefficients

Adjusted cumulated r 2

Cluster I (N = 35)

Cte = −1.106

 
 

Pol = 1.084

0.581

 

Cru = 1.052

0.830

 

Mol = 0.938

0.986

 

Ech = 1.266

0.996

Cluster IIa (N = 11)

Cte = 7.037

0.614

 

Cru = 0.855

0.773

 

Mol = 1.127

0.994

 

Pol = 0.983

 

Cluster IIb (N = 12)

Cte = −0.553

 
 

Cru = 1.320

0.517

 

Pol = 1.200

0.948

 

Mol = 0.741

0.981

Cluster III (N = 3)

Cte = 0.551

 
 

Pol = 1.076

0.885

 

Cru = 0.929

0.971

 

Mol = 1.049

0.985

 

Ech = 1.068

0.990

Whole area (N = 92)

Cte = 0.453

 
 

Cru = 1.009

0.623

 

Pol = 1.453

0.889

 

Mol = 0.936

0.986

 

Ech = 1.120

0.994

  1. Coefficients are provided both for individual clusters and for the whole data set. Probability threshold: 0.005
  2. Cte contant, Pol polychaetes, Cru crustaceans, Mol molluscs, Ech echinoderms
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Helgoland Marine Research

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