Effects of a native and a non-native macrophyte species of Hydrocharitaceae on Chironomidae and Oligochaeta assemblages structure doi: 10.4025/actascibiolsci.v35i3.10855. Acta Sci. Biol. Sci. 2013;35(3):351-358. doi:10.4025/actascibiolsci.v35i3.10855