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Shekhar Palei H, Mohapatra PP, Hussain SA. Habitat selection and diet of the Asian small-clawed otter in Karlapat Wildlife Sanctuary, Odisha, India. ECOSCIENCE 2023. [DOI: 10.1080/11956860.2023.2165020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Himanshu Shekhar Palei
- Department of Wildlife and Conservation Biology, North Orissa University, Baripada, India
| | | | - Syed Ainul Hussain
- Ganga Aqualife Conservation and Monitoring Centre, Wildlife Institute of India, Chandrabani, Dehra Dun, Uttarakhand, India
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2
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Taylor JM, Crimmins SM, Roberts NM. Assessing winter habitat selection by river otters using aerial surveys. WILDLIFE SOC B 2022. [DOI: 10.1002/wsb.1349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Janelle M. Taylor
- College of Natural Resources University of Wisconsin‐Stevens Point 800 Reserve Street Stevens Point WI 54481 USA
| | - Shawn M. Crimmins
- College of Natural Resources University of Wisconsin‐Stevens Point 800 Reserve Street Stevens Point WI 54481 USA
| | - Nathan M. Roberts
- Office of Applied Science, Wisconsin Department of Natural Resources 107 Sutliff Avenue Rhinelander WI 54501 USA
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Powers KM, Petracca LS, Macduff AJ, Frair JL. A Pragmatic Approach for Determining Otter Distribution from Disparate Occurrence Records. J Wildl Manage 2021. [DOI: 10.1002/jwmg.21968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Kelly M. Powers
- SUNY College of Environmental Science and Forestry 1 Forestry Drive Syracuse NY 13210 USA
| | - Lisanne S. Petracca
- SUNY College of Environmental Science and Forestry 1 Forestry Drive Syracuse NY 13210 USA
| | - Andrew J. Macduff
- New York State Department of Environmental Conservation Region 6, 317 Washington Street Watertown NY 1360 USA
| | - Jacqueline L. Frair
- SUNY College of Environmental Science and Forestry 1 Forestry Drive Syracuse NY 13210 USA
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Yarra AN, Magoulick DD. Effect of Stream Permanence on Predation Risk of Lotic Crayfish by Riparian Predators. SOUTHEAST NAT 2020. [DOI: 10.1656/058.019.0407] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Affiliation(s)
- Allyson N. Yarra
- Arkansas Cooperative Fish and Wildlife Research Unit, Department of Biological Sciences, University of Arkansas, Fayetteville, AR 72701
| | - Daniel D. Magoulick
- US Geological Survey, Arkansas Cooperative Fish and Wildlife Research Unit, Department of Biological Sciences, University Arkansas, Fayetteville, AR 72701
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Smith C, Whitworth A, Brunner E, Pomilia M. Habitat selection and diet of the Neotropical otter (Lontra longicaudis) on the Osa Peninsula, Costa Rica, and range-wide monitoring recommendations. NEOTROPICAL BIODIVERSITY 2020. [DOI: 10.1080/23766808.2020.1739453] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Affiliation(s)
- Chris Smith
- Round River Conservation, Salt Lake City, UT, USA
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Holland AM, Schauber EM, Nielsen CK, Hellgren EC. River otter and mink occupancy dynamics in riparian systems. J Wildl Manage 2019. [DOI: 10.1002/jwmg.21745] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Angela M. Holland
- Cooperative Wildlife Research Laboratory, Mail Code 6504, Southern Illinois University Carbondale IL 62901 USA
| | - Eric M. Schauber
- Cooperative Wildlife Research Laboratory, Mail Code 6504, Southern Illinois University Carbondale IL 62901 USA
| | - Clayton K. Nielsen
- Cooperative Wildlife Research Laboratory, Mail Code 6504, Southern Illinois University Carbondale IL 62901 USA
| | - Eric C. Hellgren
- Department of Wildlife Ecology and Conservation 110 Newins‐Ziegler Hall, PO Box 110430 Gainesville FL 32611 USA
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Hanrahan AT, Rutter AU, Nielsen CK, Schauber EM. Spatial ecology of river otters in a human-modified landscape. J Mammal 2019. [DOI: 10.1093/jmammal/gyz095] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
AbstractRiver 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 range of landscapes with different levels of human modification, which could influence how river otters use space in relation to habitat characteristics and each other. Our objectives were to quantify 1) home ranges and core areas, 2) sociality, and 3) habitat selection across all available habitats and within home ranges (second- and third-order selection, respectively) of 22 radiomarked river otters (Lontra canadensis) in southern Illinois during 2014–2016. Our study area contained a diverse mix of forest, agriculture, aquatic and wetland habitats, and a range of urban development intensity. We examined sociality using the frequency at which individuals were located < 25 m from a conspecific and compared home-range overlap among individuals based on sex. Habitat selection at the second and third order was analyzed using an eigen-analysis of selection ratios based on landcover categories. Similar to other studies, male river otters had > 2-fold larger home ranges and core areas than females in southern Illinois. Several lines of evidence indicated males were more social than females. Males were located close to a conspecific more frequently than were females, and overlap of home ranges and core areas among males was greater than it was among females or between sexes. As observed in other landscapes, river otters strongly selected herbaceous and wooded wetlands at both second- and third-order scales. River otters selected terrestrial cover types with vegetative cover potentially due to shelter or prey availability. Forests were selected over crop fields at the third-order scale, which was consistent with studies using sign surveys. River otters in our study had home ranges containing 0–40% developed land cover, but we found no evidence that otters living in more developed areas used their home ranges more selectively. River otters in this landscape were plastic in regard to social behavior and habitat selection, highlighting their generalist nature and providing insight into their ability to successfully recolonize areas of the Midwest with sufficient vegetative cover and aquatic habitat, among other factors.
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Affiliation(s)
- Alexander T Hanrahan
- Cooperative Wildlife Research Laboratory and Department of Zoology, Southern Illinois University Carbondale, 251 Life Science II, Carbondale, IL USA
| | - Andrew U Rutter
- Cooperative Wildlife Research Laboratory and Department of Forestry, Southern Illinois University Carbondale, 251 Life Science II, Carbondale, IL, USA
| | - Clayton K Nielsen
- Cooperative Wildlife Research Laboratory and Department of Forestry, Southern Illinois University Carbondale, 251 Life Science II, Carbondale, IL, USA
| | - Eric M Schauber
- Cooperative Wildlife Research Laboratory and Department of Zoology, Southern Illinois University Carbondale, 251 Life Science II, Carbondale, IL USA
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McCallen EB, Gaines KF, Novak JM, Ruyle LE, Stephens WL, Lawrence Bryan A, Blas SA, Serfass TL. The development and use of a spatially explicit model for river otters to evaluate environmental hazards: a case study on the Department of Energy's Savannah River Site. ENVIRONMENTAL MONITORING AND ASSESSMENT 2018; 190:374. [PMID: 29860567 DOI: 10.1007/s10661-018-6752-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2017] [Accepted: 05/25/2018] [Indexed: 06/08/2023]
Abstract
The Department of Energy's (DOE) Savannah River Site (SRS) faces a legacy of radionuclide and metal contamination from industrial processes that occurred throughout the site. Northern river otters (Lontra canadensis) are appropriate receptors for studying the effects of long-term, low-level contamination because they are long-lived, higher trophic level organisms susceptible to accumulating high levels of pollutants. The purpose of this study was to use latrine surveys to examine patterns of wetland latrine usage; explicitly model northern river otter resource selection on the landscape level; and utilize the model results within an ecological risk assessment (ERA) framework to assess potential effects of metals and radiocesium (137Cs) on the population for the SRS as a case study. River drainages and associated wetlands were surveyed for latrine sites and scats were collected and analyzed for 137Cs activity to validate model results. The spatially explicit resource model predicted otter drainage reach use and was used in an ERA to develop exposure models for nine heavy metals as well as 137Cs on the SRS population of river otters. The evaluation predicted that the only contaminant occurring at high enough levels to cause population effects was mercury and that the observed concentrations were probably not high enough to cause significant impairment. However, multiple metals were above action level thresholds. The field validation process showed an unexpected preference for one man-made treatment wetland that was heavily contaminated, showing that the ERA process is complex and must be approached using multiple scales.
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Affiliation(s)
- Emily B McCallen
- Department of Biological Sciences, Eastern Illinois University, 600 Lincoln Avenue, Charleston, IL, 61920, USA
- Indiana Department of Natural Resources, Bloomington Field Office, 5596 East State Road 46, Bloomington, IN, 47401, USA
| | - Karen F Gaines
- Department of Human Factors and Behavioral Neurobiology, Embry-Riddle Aeronautical University, 600 Clyde Morris Blvd, Daytona Beach, FL, 32114, USA.
| | - James M Novak
- Department of Human Factors and Behavioral Neurobiology, Embry-Riddle Aeronautical University, 600 Clyde Morris Blvd, Daytona Beach, FL, 32114, USA
| | - Leslie E Ruyle
- Center on Conflict and Development, Texas A&M University, 600 John Kimbrough Blvd, College Station, TX, 77843, USA
| | - Warren L Stephens
- Savannah River Ecology Laboratory, University of Georgia's, P.O. Drawer E, Aiken, SC, 29802, USA
| | - A Lawrence Bryan
- Savannah River Ecology Laboratory, University of Georgia's, P.O. Drawer E, Aiken, SC, 29802, USA
| | - Susan A Blas
- Savannah River Nuclear Solutions, Savannah River Site, Aiken, SC, 29808, USA
| | - Thomas L Serfass
- Department of Biology and Natural Resources, Frostburg State University, Frostburg, MD, 21532, USA
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Holland AM, Schauber EM, Nielsen CK, Hellgren EC. Stream community richness predicts apex predator occupancy dynamics in riparian systems. OIKOS 2018. [DOI: 10.1111/oik.05085] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Affiliation(s)
- Angela M. Holland
- Cooperative Wildlife Research Laboratory; Southern Illinois Univ.; Carbondale IL USA
- Joseph W. Jones Ecological Research Center; 3988 Jones Center Drive; Newton GA 39870 USA
| | - Eric M. Schauber
- Cooperative Wildlife Research Laboratory; Southern Illinois Univ.; Carbondale IL USA
| | - Clayton K. Nielsen
- Cooperative Wildlife Research Laboratory; Southern Illinois Univ.; Carbondale IL USA
| | - Eric C. Hellgren
- Dept of Wildlife Ecology and Conservation; Univ. of Florida; Gainesville FL USA
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