=LDR 22 4500 =001 5540 =082 04$a2006 KOH =100 1\$aKohls, Joanne =245 10$aTo investigate and compare the growth rates of two aquatic macrophytes, Lagarosiphon major and Elodea canadensis =260 \\$aDublin :$bUniversity of Dublin, Trinity College,$c2006 =650 \0$aTheses =852 \\$bFreeman Library$h2006 KOH