Food Partitioning between the Amphipods Echinogammarus ischnus , Gammarus fasciatus , and Hyalella azteca as Revealed by Stable Isotopes

@inproceedings{Limn2005FoodPB,
  title={Food Partitioning between the Amphipods Echinogammarus ischnus , Gammarus fasciatus , and Hyalella azteca as Revealed by Stable Isotopes},
  author={Helene Lim{\'e}n and Colin D. A. van Overdijk and Hugh J MacIsaac},
  year={2005}
}
Colonies of introduced Dreissena mussels provide substrate and food resources for benthic invertebrates resulting in increases in population abundance of many species including the native amphipod Gammarus fasciatus. Conversely, abundance of Gammarus is inversely associated with that of an introduced amphipod species, Echinogammarus ischnus. In this study, we explored carbon and nitrogen isotopic composition of E. ischnus, G. fasciatus, and Hyalella azteca and of Dreissena faeces/pseudofaeces… CONTINUE READING
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