Table 6 cont'd. 



63 







correlation coefficient 











prob. > 1 R 1 under Ho: rho 



= 









sample size 









CLUS6 



CLUS7 



CLUS8 



CLUS9 



CLUSIO 





-0.081 



*0.485 



*0.387 



-0.101 



-0.044 



TSI(AVG) 



0.677 



0.008 



0.038 



0.603 



0.819 





29 



29 



29 



29 



29 





-0.124 



♦0.545 



0.304 



*0.381 



0.250 



pH 



0.521 



0.002 



0.109 



0.041 



0.191 





29 



29 



29 



29 



29 



Specific 



-0.150 



*0.415 



0.209 



*0.392 



0.335 



conduc- 



0.437 



0.025 



0.276 



0.036 



0.075 



tance 



29 



29 



29 



29 



29 



Percent- 



-0.058 



-0.006 



-0.296 



0.226 



-0.018 



area 



0.797 



0.980 



0.180 



0.312 



0.935 



coverage 



22 



22 



22 



22 



22 



Percent- 



-0.009 



0.276 



-0.151 



0.107 



0.018 



volume 



0.963 



0.147 



0.435 



0.582 



0.927 



infestation 



29 



29 



29 



29 



29 



Floating- 



0.1768 



0.213 



-0.225 



-0.249 



-0.103 



leaved 



0.431 



0.341 



0.312 



0.262 



0.645 



biomass 



22 



22 



22 



22 



22 



Submerged 



0.059 



0.362 



-0.190 



-0.097 



-0.225 



biomass 



0.793 



0.097 



0.396 



0.666 



0.313 





22 



22 



22 



22 



22 



Emergent 



*0.724 



0.0731 



-0.251 



-0.109 



-0.259 



biomass 



<0.001 



0.746 



0.259 



0.626 



0.245 





22 



22 



22 



22 



22 



