Research Article

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 : CAl Fe Ca SrLongDepth

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−.1231.000

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.