Environmental Engineering Reference
In-Depth Information
Table 7.1
Correlation coef
cients between environmental variables and biochemical composition of Catenella repens
(a red seaweed) at three collection sites from Indian Sundarbans
Biomass
Protein
Carbohydrate
Lipid
Astaxanthin
Site name: GOSABA
Salinity
0.147
−
0.950*
0.490**
−
0.775*
0.944*
pH
0.728*
0.754*
0.161
0.393
0.777*
−
−
Dissolved oxygen
−
0.881*
0.794*
0.058
0.540**
−
0.860*
Temperature
0.465**
0.464**
0.798*
0.498**
0.428
−
−
−
Extinction coef
cient
0.603*
0.940*
0.340
0.760*
0.940*
−
−
−
Nitrate
−
0.484**
0.908*
−
0.437
0.796*
−
0.891*
Phosphate
0.695*
0.933*
0.270
0.740*
0.947*
−
−
−
Silicate
0.760*
0.915*
−
0.217
0.656*
−
0.938*
Chl
a
0.696*
0.930*
0.257
0.683*
0.961*
−
−
Chl b
0.698*
−
0.934*
0.283
−
0.721*
0.950*
Chl
c
0.518**
0.882*
0.432
0.822*
0.836*
−
−
Biomass
0.504**
0.394
0.309
0.557*
−
−
−
Protein
−
0.440
0.805*
−
0.883*
Carbohydrate
0.484**
0.262
−
Lipid
−
0.735*
Site name: CHOTOMOLLAKHALI
Salinity
0.226
0.860*
0.597*
0.777*
0.770*
−
−
pH
0.739*
−
0.596*
0.149
−
0.603*
0.719*
Dissolved oxygen
0.966*
0.319
0.392
0.445**
0.566*
−
−
Temperature
−
0.309
−
0.497**
0.830*
−
0.343
0.297
Extinction coefcient
0.586*
0.889*
0.347
0.886*
0.938*
−
−
−
Nitrate
−
0.549**
0.885*
−
0.371
0.871*
−
0.918*
Phosphate
0.519**
0.900*
0.366
0.892*
0.912*
−
−
−
Silicate
0.871*
0.736*
0.230
0.843*
0.876*
−
−
Chl a
0.214
−
0.867*
0.594*
−
0.779*
0.763*
Chl
b
0.700*
0.924*
0.207
0.924*
0.960*
−
−
Chl c
0.883*
−
0.892*
0.044
−
0.892*
0.971*
Biomass
0.631*
0.374
0.631*
0.803*
−
−
−
Protein
0.243
0.887*
0.741*
−
−
Carbohydrate
0.022
0.098
Lipid
0.897*
−
Site name: BALI
Salinity
0.654*
0.920*
0.861*
0.812*
0.884*
−
−
pH
0.188
0.680*
0.418
0.913*
0.602*
−
−
Dissolved oxygen
−
0.102
0.073
−
0.122
0.022
−
0.147
Temperature
0.362
0.230
0.657*
0.587*
0.450**
−
−
−
Extinction coef
cient
−
0.449
0.851*
−
0.933*
0.877*
−
0.901*
Nitrate
0.744*
0.944*
0.778*
0.781*
0.867*
−
−
−
Phosphate
−
0.476**
0.787*
−
0.937*
0.831*
−
0.925*
Silicate
0.523**
0.865*
0.653*
0.746*
0.720*
−
−
−
Chl
a
0.665*
0.928*
0.785*
0.793*
0.836*
−
−
Chl b
0.664*
−
0.888*
0.822*
−
0.750*
0.851*
(continued)
