Table 5.
Pearson correlation of different metals assessed between the various organs of the night heron (Nycticorax nycticorax) and their prey species (bold letter with ** indicates the level of significance at p < 0.001).
| Variables | Tissue | Kidney | Liver | Feather | Crab | Prawn | Claris batrachus | Mystus vittatus | Labeo rohita |
Tilapia
mossambica |
Cyprinus carpio |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Tissue | 1 | ||||||||||
| Kidney | 0.939 ** | 1 | |||||||||
| Liver | 0.860 ** | 0.883 ** | 1 | ||||||||
| Feather | 0.925 ** | 0.887 ** | 0.906 ** | 1 | |||||||
| Crab | 0.927 ** | 0.913 ** | 0.792 ** | 0.897 ** | 1 | ||||||
| Prawn | 0.868 ** | 0.833 ** | 0.702 ** | 0.884 ** | 0.956 ** | 1 | |||||
| C. batrachus | 0.135 | 0.316 | 0.380 | 0.104 | 0.260 | 0.062 | 1 | ||||
| M. vittatus | 0.882 ** | 0.867 ** | 0.943 ** | 0.844 ** | 0.755 ** | 0.631 ** | 0.263 | 1 | |||
| L. rohita | 0.968 ** | 0.937 ** | 0.919 ** | 0.944 ** | 0.908 ** | 0.829 ** | 0.187 | 0.935 ** | 1 | ||
| T. mossambica | 0.987 ** | 0.955 ** | 0.875 ** | 0.939 ** | 0.946 ** | 0.887 ** | 0.168 | 0.882 ** | 0.984 ** | 1 | |
| C. carpio | 0.978 ** | 0.918 ** | 0.855 ** | 0.937 ** | 0.905 ** | 0.850 ** | 0.047 | 0.896 ** | 0.985 ** | 0.983 ** | 1 |