Table 5 . Density of oligochaetes (average number per 3<iuare meter) . 



Transect station June July October June July October 



14 510 



114 2,S83 



1,205 937 



599 

 592 



138 



468 



517 



14 



117 



1,129 



1,095 



799 



537 



1,332 



34 



14 



7 







117 







186 



34 







110 



220 



172 



647 



193 



392 



792 



1,260 



730 



351 



2,492 



145 

 18,174 



875 



276 



820 







544 



96 



117 



331 



303 



103 



1,398 



1,047 



7 



90 



152 



21 



179 



28 



117 



496 



10,137 



262 



1,577 



2,707 



1,929 



3,078 



778 



3,416 



33,393 



10,860 



331 



331 



282 



303 



1,846 



792 



14 







14 



7 



310 



7 



179 



482 



200 



62 



90 



21 



1,343 



110 



992 



523 



333 



48 



131 



1,054 



186 



277 



5,061 



771 



Table 6. Density of chironomlds (average number per square meter). 



Transect Station June July October June July October 



55 



881 



110 



41 



41 



34 



196 



523 



14 



337 



117 



76 



627 



282 



489 



2,438 



131 



1,315 



21 



62 







48 



62 







55 



399 



145 



207 



269 



227 



634 



186 



96 



193 



200 



275 



324 



344 



48 



110 



365 



227 



14 



110 



21 



55 



158 



7 



303 



158 



558 



1,136 



344 



496 



613 



2,679 



200 



1,522 



1,054 



503 



413 



427 



34 



379 



303 



1,033 



90 



103 



21 



131 



138 



62 



399 



448 



83 



165 



90 



76 



2,472 



179 



262 



337 



282 



165 



344 



943 



76 



530 



1,591 



152 







14 



7 



145 



275 



21 



131 



110 



55 



41 



90 



14 



186 



172 



213 



90 



200 



110 



200 



344 



152 



358 



393 



386 



179 

 296 



117 

 124 



117 

 854 



110 

 110 

 365 

 613 



55 



165 

 379 



20 



