Table 4 Multivariate dissimilarity between samples sieved after fixation and samples sieved alive at all locations as analysed through ANOSIM (R statistic and P value), based on absolute density and presence/absence data

Absolute densities

 AM

0.256

0.048

33

Magelona johnstoni

38

 N1

0.426

0.024

44

Nephtys juvenile

27

Bathyporeia guilliamsoniana

25

 N2

0.323

0.001

49

Magelona johnstoni

35

Spio filicornis

23

 OG

0.646

0.008

85

Polygordius appendiculata

38

 ES

0.146

0.143

17

–

–

Presence/absence

 AM

0.060

0.317

23

–

–

 N1

0.148

0.167

32

–

–

 N2

0.414

0.001

29

Spio filicornis

25

 OG

0.402

0.008

63

None

–

 ES

−0.080

>0.999

6

–

–