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Abstract
The introduction of non-native plant and animal species in aquatic systems is of increasing concern because of their potentially negative ecological and economic impacts (Sytsma et al. 2004). There are many examples of food web repercussions resulting from non-native invertebrate introductions. For example, in Flathead Lake, Montana, the kokanee salmon (Oncorhynchus nerka) population crashed after the introduction of a planktivorous mysid, My-sis relicta caused restructuring of the zooplankton community (Spencer et al. 1991) and the introduc-tion of the spiny water flea (Bythotrephes spp.) to the Great Lakes also restructured zooplankton communities (Barbiero and Tuchman 2004). The zebra mussel (Dreissena polymorpha) has nearly extirpated some native unionid clams through competition for food and shell fouling (Strayer 1999). In San Francisco Bay, California, one of the most highly invaded estuaries in the world (Cohen and Carlton 1998), the benthic fauna has been highly modified by the introduction of hundreds of exotic invertebrates including the Chinese mitten crab (Eriocheir sinensis) and the Asian clam, Potamocorbula amurensis. Non-native invertebrate species, including the New Zealand mud snail (Potamopyrgus antipodarum) and an-other Asian clam, Corbicula fluminea, have also been introduced to the Columbia River (Sytsma et al. 2004), but the ecological effects to Columbia River species are largely unknown.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Range expansion of an exotic Siberian prawn to the Lower Snake River |
| Series title | Northwest Science |
| Volume | 80 |
| Issue | 4 |
| Year Published | 2006 |
| Language | English |
| Publisher | Northwest Science |
| Contributing office(s) | Western Fisheries Research Center |
| Description | 6 p. |
| First page | 311 |
| Last page | 316 |
| Country | United States |
| State | Washington |
| Other Geospatial | Lower Snake River |
| Google Analytic Metrics | Metrics page |