Biodiversity of Three Backwaters in the South West Coast of India

Table 9

Karl Pearson correlation showing the significance (5%) by relating the number of fishes and nutrients of Veli Lake.

Name of fish	Hydrogen sulfide	Ammonia nitrogen	Nitrite nitrogen	Phosphate phosphorus	Silicate silicon
Oreochromis mossambicus	−0.57^*	−0.04	−0.29	−0.48	0.02
Etroplus suratensis	0.01	−0.26	−0.01	−0.03	−0.24
Etroplus maculatus	0.00	0.54^*	0.85^**	0.23	0.78^**
Terapon jarbua	−0.12	−0.05	0.00	−0.16	−0.24
Caranx sehfsciatis	−0.40	−0.60^*	−0.42	−0.52^*	−0.30
Caranx ignobilis	−0.46	−0.60^*	−0.37	−0.56^*	0.04
Chanda ranga	−0.30	−0.27	−0.26	−0.32	0.24
Chanda nama	−0.07	0.05	−0.23	−0.01	0.09
Mugil cephalus	−0.13	−0.05	−0.05	−0.20	−0.34
Channa marulius	−0.25	0.18	−0.32	−0.28	−0.27
Channa striatus	−0.19	0.15	−0.31	−0.25	−0.38
Megalops cyprinoides	0.42	−0.05	0.05	0.33	−0.34
Gerres filamentosus	−0.19	0.40	0.66^**	−0.06	0.77^**
Puntius filamentosus	−0.57^*	−0.54^*	−0.49	−0.59^*	−0.35
Anabas testudineus	−0.39	0.30	−0.24	−0.41	−0.23
Mystus gulio	0.62^*	0.14	−0.11	0.54^*	−0.34
Arius arius	0.59^*	−0.05	0.12	0.53^*	−0.15
Tachysurus subrostratus	−0.24	−0.20	−0.12	−0.34	−0.30
Valamugil cunnesius	−0.49	−0.50^*	−0.38	−0.61^*	−0.48
Liza parsia	0.19	−0.10	0.07	0.11	−0.27
Elops machnata	−0.22	−0.46	−0.26	−0.29	−0.19
Hyphorhampus improvis	−0.21	−0.16	−0.08	−0.30	−0.33
Periophthalmus weberi	−0.46	−0.45	−0.39	−0.50^*	−0.28
Glossogobius giuris	−0.31	−0.36	−0.24	−0.35	0.28
Anguilla bengalensis	−0.36	−0.39	−0.26	−0.43	0.21
Austroglossus pectoralis	−0.27	−0.30	−0.21	−0.32	−0.36
Metapenaeus brevicornis	−0.48	−0.57^*	−0.35	−0.56^*	−0.34
Macrobrachium idella	−0.50^*	−0.58^*	−0.37	−0.59^*	0.12
Scylla serrata	−0.50^*	−0.58^*	−0.25	−0.49	−0.12
Penaeus monodon	−0.17	−0.13	−0.14	−0.26	−0.33
Penaeus indicus	0.92^**	0.09	0.09	0.83^**	−0.21

Significant, ^**highly significant.