Asian Carp in the Diet of River Otters in Illinois

@article{Feltrop2016AsianCI,
  title={Asian Carp in the Diet of River Otters in Illinois},
  author={Preston D. Feltrop and Clayton K. Nielsen and Eric M. Schauber},
  journal={The American Midland Naturalist},
  year={2016},
  volume={176},
  pages={298 - 305}
}
Abstract Populations of invasive silver carp (Hypophthalmichthys molitrix) and bighead carp (H. nobilis), collectively known as “Asian carp,” are growing rapidly in Illinois and may make up a large fraction of available prey for river otters (Lontra canadensis) in larger waterbodies. [...] Key Method We searched for Asian carp otoliths and pharyngeal teeth, as well as parts of other fishes, crayfish, and amphibians in 155 otter scats collected from 43 stream sites in central and southern Illinois during January…Expand
DIET OF A RECENTLY REINTRODUCED RIVER OTTER ( LONTRA CANADENSIS ) POPULATION IN TAOS COUNTY, NEW MEXICO
OF THESIS DIET OF A RECENTLY REINTRODUCED RIVER OTTER (LONTRA CANADENSIS) POPULATION IN TAOS COUNTY, NEW MEXICO North American river otters (Lontra canadensis), native to every U.S. state and Canada,
Spatial ecology of river otters in a human-modified landscape
River otter populations have expanded across much of their historical range, including in Illinois where they were reintroduced from 1994 to 1997. These expanding populations are recolonizing a wide
A comparison of three methods to evaluate otter latrine activity
We compared methods commonly used in the field of river otter (Lontra canadensis) ecology to estimate visitation rates. We evaluated visitation rates estimated from 2 survey protocols based on video
Holistic approaches for invasive species management: Exploring biotic resistance of European green crab (Carcinus maenas) via river otter (Lontra canadensis) diet By
________________________________________________________________ iv ACKNOWLEDGMENTS ______________________________________________________ v LIST OF FIGURES

References

SHOWING 1-10 OF 58 REFERENCES
River Otter, Lontra canadensis , Food Habits in the Missouri Ozarks
The reintroduction of River Otters ( Lontra canadensis ) between 1982 and 1992 resulted in widespread occurrence of the species throughout the Missouri Ozarks. This study examined otter diets from
Winter Diet of River Otters in Kentucky
TLDR
The winter diet of reintroduced River Otters in Kentucky was examined, based on contents of 126 stomachs collected over three trapping seasons, 2006–2009, and fish and crayfish were the main prey.
Feeding habits of the otter and the American mink in Białowieża Primeval Forest (Poland) compared to other Eurasian populations
TLDR
In the Palaearctic region, over a wide gradient of habitats, otters appeared strongly specialised on prey taken from water, whereas American mink was a typical generalist capable of utilising several prey groups originating from both water and land.
Prey Selection by Marine-coastal River Otters (Lontra canadensis) in Newfoundland, Canada
TLDR
The lower limits at which size classes were incorporated into diet varied across fish species, and may reflect species differences in detectability by otters due to camouflage and behavior.
Food Habits and Fish Prey Size Selection of a Newly Colonizing Population of River Otters (Lontra canadensis) in Eastern North Dakota
TLDR
The diet of river otters changed seasonally, including a decline in the frequency of fish in the summer diet, and a corresponding increase in the occurrence of crayfish.
CAPTURE AND CONSUMPTION OF PREY OF THE OTTER ( Lutra lutra ) IN MEDITERRANEAN FRESHWATER HABITATS OF THE IBERIAN PENINSULA
The otter feeds almost exclusively on aquatic and semiaquatic species, catching them in watercourses and waterbodies. Foraging and prey consumption studies in freshwater habitats are scarce. Iberian
Food habits of otters in the Great Lakes region.
TLDR
Food items were identified in digestive tracts from otters taken by trappers during February, March, and April over a period of 6 years in Wisconsin, Michigan, and Minnesota.
Winter predation by otter (Lutra lutra) on carp pond systems in South Bohemia (Czech Republic)
TLDR
The otter diet apparently reflects food availability in fishponds and supply channels, and small water basins with a high stock density can be vulnerable to serious damage especially during the winter period and at such places, where no better accessible source of food is available, simple mitigation measures may be able to reduce otter predation.
Diet overlap among two Asian carp and three native fishes in backwater lakes on the Illinois and Mississippi rivers
TLDR
Although rotifers were the most common prey item consumed by both bighead and silver carp, a negative relation between silver carp CPUE and cladoceran density was found, yet the potential for negative consequences of Asian carp in less productive ecosystems, including Lake Michigan, should not be underestimated.
Capture and comsuption of prey of the Otter (Lutra lutra) in mediterranean freshwater habitats of the Iberian Peninsula
The otter feeds almost exclusively on aquatic and semiaquatic species, catching them in watercourses and waterbodies. Foraging and prey consumption studies in freshwater habitats are scarce. Iberian
...
1
2
3
4
5
...