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i Table 2 (continued) <br />' STATIONS <br /> TAXA 1 2 1 2 <br /> __.. _ __- - - -.. - Rif fle Pool <br /> Coleoptera (beetles) <br /> <br />Optioservus seriatus <br />22 - - - <br />r Dubiraphia quadrinotata = 11 237 65 <br />!1 Microcylloepus 5 <br /> Megaleotera (alderflies and dobsonflies) <br /> ___ Sialis ._ _. - - 5 - - <br /> _ <br />Decapoda (crayfish) <br /> Orconectes immunis 22 - - - <br /> MOLLUSCA <br />( Pelecypoda (clams) <br /> <br />i <br />Sphaerium striatinum - <br />65 <br />22 _ <br /> OLIGOCHAETA (worms) <br /> Limnodrilus 108 334 603 603 <br />1 TOTAL 14734 15228 12167 5771 <br /> NUMBER OF SPECIES 20 25 10 4 <br />I DIVERSITY INDEX (D) 2.62 2.23 1.04 0.78 <br />i <br />I <br /> <br /> -16- <br />