Sediment Chemistry and Meiofauna from the Northern Gulf of Mexico Continental Shelf
Table 2
Spearman’s rank correlations () between meiofauna density, granulometric and site characteristics, and trace metal, organic carbon, and PAH concentrations.
Nem
Cop
N : C
Al
Fe
Ca
Sr
Long
Depth
Al
.541**
−.139
.439*
1.000
.935***
−.695***
−.757***
.733***
.429*
Ba
.368
−.186
.350
.895***
.846***
−.715***
−.782***
.848***
.248
Cr
.522**
−.167
.457*
.892***
.909***
−.657***
−.650***
.687***
.347
Cu
.503**
−.022
.338
.949***
.916***
−.628**
−.682***
.644***
.466*
Fe
.406*
−.119
.366
.935***
1.000
−.656***
−.749***
.744***
.302
Ni
.496**
−.086
.382
.961***
.911***
−.654***
−.704***
.652***
.492*
Pb
.408*
−.085
.331
.869***
.868***
−.821***
−.813***
.793***
.184
V
.370
−.098
.346
.933***
.965***
−.661***
−.721***
.774***
.329
Zn
.505**
−.146
.425*
.986***
.945***
−.669***
−.748***
.703***
.450*
Ca
−.446*
.204
−.432*
−.695***
−.656***
1.000
.932***
−.770***
.134
Sr
−.367
.085
−.269
−.757***
−.749***
.932***
1.000
−.774***
.092
Organic C
.552**
−.237
.503*
.869***
.752***
−.696***
−.657***
.595**
.416*
Silt + clay
.409*
−.060
.298
.724***
.588**
−.624**
−.623**
.535**
.238
Very coarse + coarse sand
−.024
.545**
−.385
.073
.193
.108
.027
.013
.060
EPA PP PAH
−.141
.103
−.331
.210
.053
.045
−.090
.156
.147
Total PAH
−.248
.185
−.457*
−.025
−.124
.220
.102
−.104
.085
Long
.273
−.150
.274
.733***
.744***
−.770***
−.774***
1.000
−.123
Depth
.251
−.137
.328
.429*
.302
.134
.092
−.123
1.000
Correlation is significant at 0.05 level.
**Correlation is significant at 0.01 level.
***Correlation is significant at 0.001 level. Nem: nematode density; Cop: copepod density; N : C: ratio of nematodes to copepods; Long: longitude.