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Article: Reports summarize freshwater research study results from National Oceanic and Atmospheric Administration.
- Article from:
- Ecology, Environment & Conservation
- Article date:
- July 24, 2009
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According to a study from the United States, "To better understand the feeding ecology of two important Laurentian Great Lakes prey species, rainbow smelt Osmerus mordax and emerald shiners Notropis atherinoides, we quantified the diet composition, selectivity, daily ration, and diet overlap of both species in offshore central Lake Erie during May through October 2005, which spanned a period of severe hypolimnetic hypoxia (
"Rainbow smelt most frequently selected chironomid pupae, while emerald shiners generally selected pupae or large predatory cladocerans (Leptodora or Bythotrephes). Daily ration and individual consumption by rainbow smelt were 54-68% less during ...