Impacts of a Gape Limited Brook Trout, Salvelinus Fontinalis, on Larval Northwestern Salamander, Ambystoma Gracile, Growth: A Field Enclosure Experiment
The formation of amphibian population structure is directly affected by predation. Although aquatic predators have been shown to have direct negative effects on larval salamanders in laboratory and field experiments, the potential impacts of gape-limited fish on larval salamander growth has been lar...
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| Veröffentlicht in: | Journal of herpetology 2007-06, Vol.41 (2), p.321-324 |
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| container_title | Journal of herpetology |
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| creator | Currens, Christopher R Liss, William J Hoffman, Robert L |
| description | The formation of amphibian population structure is directly affected by predation. Although aquatic predators have been shown to have direct negative effects on larval salamanders in laboratory and field experiments, the potential impacts of gape-limited fish on larval salamander growth has been largely underexplored. We designed an enclosure experiment conducted in situ to quantify the effects of gape-limited Brook Trout (Salvelinus fontinalis) on larval Northwestern Salamander (Ambystoma gracile) growth. We specifically tested whether the presence of fish too small to consume larvae had a negative effect on larval growth. The results of this study indicate that the presence of a gape-limited S. fontinalis can have a negative effect on growth of larval A. gracile salamanders. |
| doi_str_mv | 10.1670/0022-1511(2007)41[321:IOAGLB]2.0.CO;2 |
| format | Article |
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Although aquatic predators have been shown to have direct negative effects on larval salamanders in laboratory and field experiments, the potential impacts of gape-limited fish on larval salamander growth has been largely underexplored. We designed an enclosure experiment conducted in situ to quantify the effects of gape-limited Brook Trout (Salvelinus fontinalis) on larval Northwestern Salamander (Ambystoma gracile) growth. We specifically tested whether the presence of fish too small to consume larvae had a negative effect on larval growth. The results of this study indicate that the presence of a gape-limited S. fontinalis can have a negative effect on growth of larval A. gracile salamanders.</description><identifier>ISSN: 0022-1511</identifier><identifier>EISSN: 1937-2418</identifier><identifier>DOI: 10.1670/0022-1511(2007)41[321:IOAGLB]2.0.CO;2</identifier><language>eng</language><publisher>P.O. 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| ispartof | Journal of herpetology, 2007-06, Vol.41 (2), p.321-324 |
| issn | 0022-1511 1937-2418 |
| language | eng |
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| source | BioOne Complete; JSTOR Archive Collection A-Z Listing |
| subjects | Ambystoma gracile Amphibians Caudata CONSERVATION Fish Fish larvae Fontinalis Freshwater Freshwater fishes Larvae Larval development Predation Predators Salamanders Salvelinus fontinalis Trout |
| title | Impacts of a Gape Limited Brook Trout, Salvelinus Fontinalis, on Larval Northwestern Salamander, Ambystoma Gracile, Growth: A Field Enclosure Experiment |
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