Biodiversity of Three Backwaters in the South West Coast of India

Table 7

Karl Pearson correlation showing the significance (5%) by relating the number of fishes and sediment parameters of Kadinamkulam backwater.

Name of fish	Organic carbon	Total phosphorous	Total nitrogen	Copper	Lead	Manganese	Nickel	Zinc
Oreochromis mossambicus	0.27	0.23	0.23	−0.03	−0.26	−0.40	0.42	0.11
Etroplus suratensis	−0.13	−0.10	−0.10	−0.36	−0.21	−0.34	0.34	0.33
Etroplus maculatus	−0.17	−0.09	−0.09	0.13	−0.09	−0.01	−0.23	−0.28
Terapon jarbua	−0.56^*	0.24	0.24	−0.26	0.01	0.01	−0.02	−0.10
Caranx sehfsciatis	−0.69^*	0.00	0.00	−0.13	0.01	0.09	−0.30	−0.21
Caranx ignobilis	−0.83^**	−0.18	−0.18	−0.37	0.11	0.06	−0.14	−0.38
Chanda ranga	0.15	0.21	0.21	0.50^*	−0.78^**	−0.79^**	−0.42	0.52^*
Chanda nama	0.08	0.08	0.08	0.35	−0.24	−0.14	−0.34	−0.12
Mugil cephalus	−0.05	0.34	0.34	0.20	−0.64^*	−0.72^**	−0.12	0.53^*
Channa marulius	−0.14	−0.18	−0.18	−0.23	0.12	0.08	0.19	−0.33
Channa striatus	0.17	−0.36	−0.36	0.15	0.11	0.17	−0.23	−0.23
Megalops cyprinoides	−0.09	0.38	0.38	0.10	−0.77^**	−0.79^**	0.03	0.83^**
Gerres filamentosus	0.18	0.12	0.12	0.46	−0.01	0.22	−0.48	−0.08
Puntius filamentosus	0.67^*	0.06	0.06	0.54^*	−0.20	−0.13	−0.03	0.11
Anabas testudineus	−0.37	−0.03	−0.03	−0.25	−0.30	−0.46	0.16	0.06
Mystus gulio	−0.17	0.13	0.13	−0.35	−0.51^*	−0.68^*	0.46	0.68^*
Arius arius	−0.30	−0.33	−0.33	−0.56^*	0.47	0.40	0.34	−0.44
Tachysurus subrostratus	0.30	0.38	0.38	0.52^*	−0.11	0.03	−0.19	0.07
Valamugil cunnesius	0.10	0.18	0.18	0.50^*	−0.60^*	−0.47	−0.53^*	0.52^*
Liza parsia	0.27	0.12	0.12	0.63^*	−0.21	0.04	−0.64^*	0.13
Elops machnata	0.26	−0.23	−0.23	0.25	0.10	0.21	−0.23	−0.03
Hyphorhampus improvis	0.14	−0.29	−0.29	0.40	−0.15	0.04	−0.58^*	0.03
Periophthalmus weberi	−0.39	−0.06	−0.06	0.22	−0.12	0.02	−0.54^*	−0.24
Glossogobius giuris	0.23	−0.17	−0.17	0.52^*	−0.15	0.07	−0.58^*	0.12
Anguilla bengalensis	0.65^*	0.04	0.04	0.75^**	−0.27	−0.07	−0.40	0.17
Scylla serrata	−0.18	0.26	0.26	0.07	−0.73^**	−0.84^**	−0.03	0.66^*
Penaeus monodon	0.10	−0.44	−0.44	0.35	0.02	0.19	−0.41	−0.03
Penaeus indicus	0.00	−0.25	−0.25	−0.04	0.69^*	0.78^**	−0.12	−0.50^*
Metapenaeus brevicornis	0.10	0.24	0.24	0.52^*	−0.18	0.05	−0.61^*	0.12
Metapenaeus dobsoni	0.14	−0.02	−0.02	0.49	−0.17	0.05	−0.64^*	0.12

Significant, ^**highly significant.