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 3.0 



-24 

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t I I i I i i i r~ 



J FMAMJ JAS0N0 JFMAMJ JASOND J FMAMJJASONDJFMAMJ IAS0ND 



1975 



1976 



1975 



No. Species 



- Log No Individuals 



1976 



Figure 2. — Monthly fluctuations in number of species and number of individuals (log transformed) of fishes and decapod cruslaceans at sampling 



sites in the North and South Sanlee Rivers, 1975-76. 



Table 3. — Correlation between In in + 1) transformed values of number of species and number 

 of individuals of fishes and decapods in relation to environmental factors, r = Pearson product- 

 moment correlation coefficient: n = number of observations. 



1975 



1976 



North Santee South Santee North Santee South Sanlee 



Environmental factor 



Number of species 



Bottom temperature (°C) 

 Salinity (7 00 ) 

 Oxygen (mg/liier) 

 Turbidity (FTU)** 

 Depth (m) 



Bottom temperature ( C) 

 Salinity (°/ oo ) 

 Oxygen (mg/liter) 

 Turbidity (FTU) 

 Depth (m) 



0.4270* 45 



0.3984- 45 



-0.1575 45 



0.2972 45 



- 0.3045 45 



0.1646 36 



0.4185* 36 



-0.0457 36 



0.0849 36 



0.0170 36 



Number of individuals 



0.5003* 45 0.5158* 36 



0.2006 45 0.1605 36 



-0.0768 45 -0.3710* 36 



0.1575 45 -0.2985 36 



-0.1624 45 -0.1052 36 



Number of species 



-0.0225 48 -0.0769 48 



0.5437* 48 0.5929* 48 



-0.0110 48 0.0074 48 



-0.0550 48 -0.2213 48 



-0.6029* 48 0.2420 48 



Number of individuals 



0.0239 48 0.3385* 48 



0.0187 48 0.2766 48 



-0.0614 48 -0.3089* 48 



0.0142 48 -0.0146 48 



-0.1766 48 0.4652* 48 



•Significant (P ^ 0) at or = 0.05. 

 **FTU = Formazin Turbidity L'nits. 



