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River Otter Food Habits In The Missouri Ozarks
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Book Synopsis River Otter Food Habits in the Missouri Ozarks by : Nathan M. Roberts
Download or read book River Otter Food Habits in the Missouri Ozarks written by Nathan M. Roberts and published by . This book was released on 2003 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent river otter (Lontra canadensis) reintroductions in Missouri and across the Midwest have been very successful. As population numbers increase, so has concern about the potential impact of this predator on sport fish. Anglers in the Missouri Ozarks contend that otters are impacting centrarchid fish populations, especially rock bass (Ambloplites Spp.) and smallmouth bass (Micropterus dolomieu). My goal was to more accurately assess otter food habits in Ozark streams. First, I developed an identification model for certain Centrarchidae using scale morphology from lateral-line scales for use in otter-diet analysis. Using a linear discriminant analysis model, we were able to correctly classify known centrarchid scales to the genus level in 81.16% to 86.55% of cases. Otter scats were collected and examined from two Ozark streams, the Big Piney River and the Osage Fork River, during the winter and summer seasons of 2001 and 2002 (n = 4,750). During the winter, fish remains were identified in 88 and 84% of scats from the Big Piney River and Osage Fork River respectively. During the winter seasons, centrarchid remains were recovered in 72% of samples collected from the Big Piney River and 64% of samples collected from the Osage Fork River. However, during the summer, the frequency of occurrence of fish remains drop to approximately 15% for both rivers and the frequency of centrarchid remains dropped to>10%. Lepomis was the most frequently occurring Centrarchidae genus. Micropterus was the least frequent genus and had the lowest mean age of the three commonly occurring Centrarchidae genera in the systems under study.
Book Synopsis Missouri Cooperative Fish and Wildlife Research Unit Report by : Missouri Cooperative Fish and Wildlife Unit
Download or read book Missouri Cooperative Fish and Wildlife Research Unit Report written by Missouri Cooperative Fish and Wildlife Unit and published by . This book was released on 2008 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Winter Food Habits and Factors Influencing the Winter Diet of River Otter in North Florida by : Linda Susan Cooley
Download or read book Winter Food Habits and Factors Influencing the Winter Diet of River Otter in North Florida written by Linda Susan Cooley and published by . This book was released on 1983 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Yearly Food Habits of the River Otter in the Thompson Lakes Region, Northwestern Montana, as Indicated by Scat Analyses by : Kenneth R. Greer
Download or read book Yearly Food Habits of the River Otter in the Thompson Lakes Region, Northwestern Montana, as Indicated by Scat Analyses written by Kenneth R. Greer and published by . This book was released on 1953 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Canadian Journal of Fisheries and Aquatic Sciences by :
Download or read book Canadian Journal of Fisheries and Aquatic Sciences written by and published by . This book was released on 2010 with total page 742 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Winter Food Habits of the River Otter in Southern Louisiana by : James Edward Holcombe
Download or read book Winter Food Habits of the River Otter in Southern Louisiana written by James Edward Holcombe and published by . This book was released on 1980 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract.
Book Synopsis Food Habits of the River Otter in Suisun Marsh, Central California by : William Ernest Jr Grenfell
Download or read book Food Habits of the River Otter in Suisun Marsh, Central California written by William Ernest Jr Grenfell and published by . This book was released on 1974 with total page 43 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Canadian Journal of Zoology written by and published by . This book was released on 2009 with total page 564 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Review of the Food Habits of River Otters (Lutra Canadensis) by : S. Reuben Shanthikumar
Download or read book A Review of the Food Habits of River Otters (Lutra Canadensis) written by S. Reuben Shanthikumar and published by . This book was released on 1984 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Food Habits of a Re-introduced River Otter (Lontra Canadensis) Population in Western New York by : Melissa Skyer
Download or read book Food Habits of a Re-introduced River Otter (Lontra Canadensis) Population in Western New York written by Melissa Skyer and published by . This book was released on 2006 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: "River otters were re-introduced to Western New York by the Department of Environmental Conservation between 1995 and 2000. The success of this population relies heavily on the availability of suitable prey. Diet was investigated via frequency of prey occurrence in scats from 2004-2006. Overall diet was comprised mostly of fish and crayfish. The major fish taxa were Centrarchidae (sunfish), Cyprinidae (carp), and Salmonidae (trout); less common were Esocidae (pike) and Castostomidae (sucker). All fish species combined ocurred at 100% frequency during the winter and spring months, but declined during the summer and fall. Sunfish prey were at their highest frequency in the winter and spring months (50-60%), and tapered off to 10-20% in the summer and fall. Carp in the diet showed a seasonal trend, highest in the spring at 30%, 10-20% during the summer and winter, and
Book Synopsis Arkansas Mammals by : John A. Sealander
Download or read book Arkansas Mammals written by John A. Sealander and published by University of Arkansas Press. This book was released on 1990-01-01 with total page 325 pages. Available in PDF, EPUB and Kindle. Book excerpt: Heavily illustrated with color photographs, Arkansas Mammals is the comprehensive guide to the state’s mammal population. Endangered or threatened species of mammals and missing species known to have been present in recent times are discussed, along with non-native species that have become an important part of the mammal fauna in Arkansas and adjacent states.
Book Synopsis Food Habits of River Otters (Lontra Canadensis) in the Red River of the North Drainage of Eastern North Dakota by : Cory R. Stearns
Download or read book Food Habits of River Otters (Lontra Canadensis) in the Red River of the North Drainage of Eastern North Dakota written by Cory R. Stearns and published by . This book was released on 2008 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Transactions of the Missouri Academy of Science by : Missouri Academy of Science
Download or read book Transactions of the Missouri Academy of Science written by Missouri Academy of Science and published by . This book was released on 1984 with total page 580 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Life History of the River Otter in Alabama with Emphasis on Food Habits by : Virayuth Lauhachinda
Download or read book Life History of the River Otter in Alabama with Emphasis on Food Habits written by Virayuth Lauhachinda and published by . This book was released on 1978 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Seasonal Feeding Habits of the River Otter (Lutra Canadensis) in Ditches of the Great Dismal Swamp by : Ronnie M. Pierce
Download or read book The Seasonal Feeding Habits of the River Otter (Lutra Canadensis) in Ditches of the Great Dismal Swamp written by Ronnie M. Pierce and published by . This book was released on 1979 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Restoring the River Otter by : Missouri. Department of Conservation
Download or read book Restoring the River Otter written by Missouri. Department of Conservation and published by . This book was released on 1987 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Habitat Selection, Food Habits, Movements, and Activity Patterns of Reintroduced River Otters (Lutra Canadensis) in Central Arizona by : Kerry Miles Christensen
Download or read book Habitat Selection, Food Habits, Movements, and Activity Patterns of Reintroduced River Otters (Lutra Canadensis) in Central Arizona written by Kerry Miles Christensen and published by . This book was released on 1984 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt:
