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Twining JP, Sutherland C, Zalewski A, Cove MV, Birks J, Wearn OR, Haysom J, Wereszczuk A, Manzo E, Bartolommei P, Mortelliti A, Evans B, Gerber BD, McGreevy TJ, Ganoe LS, Masseloux J, Mayer AE, Wierzbowska I, Loch J, Akins J, Drummey D, McShea W, Manke S, Pardo L, Boyce AJ, Li S, Ragai RB, Sukmasuang R, Villafañe Trujillo ÁJ, López-González C, Lara-Díaz NE, Cosby O, Waggershauser CN, Bamber J, Stewart F, Fisher J, Fuller AK, Perkins KA, Powell RA. Using global remote camera data of a solitary species complex to evaluate the drivers of group formation. Proc Natl Acad Sci U S A 2024; 121:e2312252121. [PMID: 38466845 PMCID: PMC10962950 DOI: 10.1073/pnas.2312252121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Accepted: 01/21/2024] [Indexed: 03/13/2024] Open
Abstract
The social system of animals involves a complex interplay between physiology, natural history, and the environment. Long relied upon discrete categorizations of "social" and "solitary" inhibit our capacity to understand species and their interactions with the world around them. Here, we use a globally distributed camera trapping dataset to test the drivers of aggregating into groups in a species complex (martens and relatives, family Mustelidae, Order Carnivora) assumed to be obligately solitary. We use a simple quantification, the probability of being detected in a group, that was applied across our globally derived camera trap dataset. Using a series of binomial generalized mixed-effects models applied to a dataset of 16,483 independent detections across 17 countries on four continents we test explicit hypotheses about potential drivers of group formation. We observe a wide range of probabilities of being detected in groups within the solitary model system, with the probability of aggregating in groups varying by more than an order of magnitude. We demonstrate that a species' context-dependent proclivity toward aggregating in groups is underpinned by a range of resource-related factors, primarily the distribution of resources, with increasing patchiness of resources facilitating group formation, as well as interactions between environmental conditions (resource constancy/winter severity) and physiology (energy storage capabilities). The wide variation in propensities to aggregate with conspecifics observed here highlights how continued failure to recognize complexities in the social behaviors of apparently solitary species limits our understanding not only of the individual species but also the causes and consequences of group formation.
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Affiliation(s)
- Joshua P. Twining
- New York Cooperative Fish and Wildlife Research Unit, Department of Natural Resources and the Environment, Cornell University, Ithaca, NY14853
| | - Chris Sutherland
- Centre for Research into Ecological and Environmental Modelling, Schools of Mathematics and Statistics, Biology, and Computer Science, The Observatory Buchanan Gardens University of St. Andrews, St. Andrews, FifeKY16 9LZ, United Kingdom
| | - Andrzej Zalewski
- Mammal Research Institute, Polish Academy of Sciences, Białowieża17-230, Poland
| | | | - Johnny Birks
- Swift Ecology Ltd, Glen Cottage, West Malvern, WorcsWR14 4BQ, United Kingdom
| | - Oliver R. Wearn
- Fauna and Flora International–Vietnam Programme, Hanoi, Vietnam
| | - Jessica Haysom
- Durrell Institute of Conservation and Ecology, School of Anthropology and Conservation, University of Kent, CanterburyCT2 7NR, United Kingdom
| | - Anna Wereszczuk
- Mammal Research Institute, Polish Academy of Sciences, Białowieża17-230, Poland
| | - Emiliano Manzo
- Fondazione Ethoikos, Convento dell’Osservanza, RadicondoliSI 53030, Italy
| | - Paola Bartolommei
- Fondazione Ethoikos, Convento dell’Osservanza, RadicondoliSI 53030, Italy
| | - Alessio Mortelliti
- Department of Wildlife, Fisheries, and Conservation Biology, University of Maine, Orono, ME04469
- Department of Life Sciences, University of Trieste, Trieste34127, Italy
| | - Bryn Evans
- Department of Wildlife, Fisheries, and Conservation Biology, University of Maine, Orono, ME04469
| | - Brian D. Gerber
- Department of Natural Resources, College of Environment and Life Sciences, University of Rhode Island, Kingston, RI02852
| | - Thomas J. McGreevy
- Department of Natural Resources, College of Environment and Life Sciences, University of Rhode Island, Kingston, RI02852
| | - Laken S. Ganoe
- Department of Natural Resources, College of Environment and Life Sciences, University of Rhode Island, Kingston, RI02852
| | - Juliana Masseloux
- Department of Natural Resources, College of Environment and Life Sciences, University of Rhode Island, Kingston, RI02852
| | - Amy E. Mayer
- Department of Natural Resources, College of Environment and Life Sciences, University of Rhode Island, Kingston, RI02852
| | - Izabela Wierzbowska
- Institute of Environmental Sciences, Faculty of Biology, Jagiellonian University, Krakow30-387, Poland
| | - Jan Loch
- Scientific Laboratory of Gorce National Park, Niedźwiedź34-735, Poland
| | | | - Donovan Drummey
- Department of Environmental Conservation, University Massachusetts, Amherst, MA01003
| | - William McShea
- Smithsonian’s Conservation Biology Institute, Front Royal, VA22630
| | | | - Lain Pardo
- Centre for Tropical Environmental and Sustainability Science, College of Science and Engineering, James Cook University, Cairns, QLD4878, Australia
| | - Andy J. Boyce
- Smithsonian’s National Zoo and Conservation Biology Institute, Washington, DC20008
| | - Sheng Li
- School of Life Sciences, Peking University, Beijing100871, China
| | - Roslina Binti Ragai
- Sarawak Forestry Corporation, Lot 218, Kuching Central Land District, Kuching, Sarawak93250, Malaysia
| | - Ronglarp Sukmasuang
- Deparment of Forest Biology, Faculty of Forestry, Kasetsart University, Bangkok10900, Thailand
| | - Álvaro José Villafañe Trujillo
- Laboratorio de Zoología, Instituto de Investigaciones Biológicas, Universidad Veracruzana, Xalapa de Enríquez, VeracruzC. P. 91190, Mexico
- Laboratorio de Zoología, Facultad de Ciencias Naturales, Universidad Autónoma de Querétaro, Santa Rosa Jáuregui, Santiago de Querétaro, Querétaro76230, Mexico
| | - Carlos López-González
- Laboratorio de Zoología, Instituto de Investigaciones Biológicas, Universidad Veracruzana, Xalapa de Enríquez, VeracruzC. P. 91190, Mexico
| | - Nalleli Elvira Lara-Díaz
- Departamento de Biología, Laboratorio de Ecología Animal, Universidad Autónoma Metropolitana, Ciudad de México, IztapalapaC. P. 09340, Mexico
| | - Olivia Cosby
- Smithsonian’s Conservation Biology Institute, Front Royal, VA22630
- Department of Environmental Science, Aaniiih Nakoda College, Harlem, MT59526
| | - Cristian N. Waggershauser
- School of Biological Sciences, University of Aberdeen, AberdeenAB24 2TZ, United Kingdom
- Institute for Biodiversity and Freshwater Conservation, University of the Highlands and Islands, InvernessIV2 5NA, United Kingdom
| | - Jack Bamber
- School of Biological Sciences, University of Aberdeen, AberdeenAB24 2TZ, United Kingdom
| | - Frances Stewart
- School of Environmental Studies, University of Victoria, Victoria, BCV8W 2Y2, Canada
| | - Jason Fisher
- School of Environmental Studies, University of Victoria, Victoria, BCV8W 2Y2, Canada
| | - Angela K. Fuller
- U.S. Geological Survey, New York Cooperative Fish and Wildlife Research Unit, Department of Natural Resources and the Environment, Cornell University, Ithaca, NY14853
| | - Kelly A. Perkins
- New York Cooperative Fish and Wildlife Research Unit, Department of Natural Resources and the Environment, Cornell University, Ithaca, NY14853
| | - Roger A. Powell
- Department of Applied Ecology, North Carolina State University, Raleigh, NC27607
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Siemer WF, Lauber TB, Stedman RC, Hurst JE, Sun CC, Fuller AK, Hollingshead NA, Belant JL, Kellner KF. Perception and trust influence acceptance for black bears more than bear density or conflicts. Front Conserv Sci 2023. [DOI: 10.3389/fcosc.2023.1041393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/11/2023] Open
Abstract
IntroductionTo sustain black bear (Ursus americanus) populations, wildlife managers should understand the coupled socio-ecological systems that influence acceptance capacity for bears.MethodIn a study area encompassing a portion of New York State, we spatially matched datasets from three sources: human-bear conflict reports between 2006 and 2018, estimates of local bear density in 2017–2018, and responses to a 2018 property owner survey (n=1,772). We used structural equation modeling to test hypothesized relationships between local human-bear conflict, local bear density, and psychological variables. ResultsThe final model explained 57% of the variance in acceptance. The effect of bear population density on acceptance capacity for bears was relatively small and was mediated by a third variable: perception of proximity to the effects of human-bear interactions. The variables that exerted a direct effect on acceptance were perception of bear-related benefits, perception of bear-related risks, perceived proximity to effects of human-bear interactions, and being a hunter. Perception of bear-related benefits had a greater effect on acceptance than perception of bear-related risks. Perceived proximity to effects of human-bear interactions was affected by local bear density, but also was affected by social trust. Increased social trust had nearly the same effect on perceived proximity as decreased bear density. Social trust had the greatest indirect effect on acceptance of any variable in the model. DiscussionFindings suggest wildlife agencies could maintain public acceptance for bears through an integrated approach that combines actions to address bear-related perceptions and social trust along with active management of bear populations.
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Poutanen J, Fuller AK, Pusenius J, Royle JA, Wikström M, Brommer JE. Density-habitat relationships of white-tailed deer ( Odocoileus virginianus) in Finland. Ecol Evol 2023; 13:e9711. [PMID: 36644703 PMCID: PMC9831969 DOI: 10.1002/ece3.9711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 11/28/2022] [Accepted: 12/19/2022] [Indexed: 01/12/2023] Open
Abstract
In heterogeneous landscapes, resource selection constitutes a crucial link between landscape and population-level processes such as density. We conducted a non-invasive genetic study of white-tailed deer in southern Finland in 2016 and 2017 using fecal DNA samples to understand factors influencing white-tailed deer density and space use in late summer prior to the hunting season. We estimated deer density as a function of landcover types using a spatial capture-recapture (SCR) model with individual identities established using microsatellite markers. The study revealed second-order habitat selection with highest deer densities in fields and mixed forest, and third-order habitat selection (detection probability) for transitional woodlands (clear-cuts) and closeness to fields. Including landscape heterogeneity improved model fit and increased inferred total density compared with models assuming a homogenous landscape. Our findings underline the importance of including habitat covariates when estimating density and exemplifies that resource selection can be studied using non-invasive methods.
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Affiliation(s)
- Jenni Poutanen
- Department of BiologyUniversity Hill, University of TurkuTurkuFinland,Natural Resources Institute FinlandTurkuFinland
| | - Angela K. Fuller
- Department of Natural Resources and the Environment, U.S. Geological Survey, New York Cooperative Fish and Wildlife Research UnitCornell UniversityIthacaNew YorkUSA
| | | | - J. Andrew Royle
- U.S. Geological SurveyEastern Ecological Science CenterLaurelMarylandUSA
| | | | - Jon E. Brommer
- Department of BiologyUniversity Hill, University of TurkuTurkuFinland,NOVIA University of Applied SciencesEkenäsFinland
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Zhao Q, Fuller AK, Royle JA. Spatial dynamic N‐mixture models with interspecific interactions. Methods Ecol Evol 2022. [DOI: 10.1111/2041-210x.13936] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Affiliation(s)
- Qing Zhao
- Bird Conservancy of the Rockies Fort Collins CO USA
| | - Angela K. Fuller
- U.S. Geological Survey, New York Cooperative Fish and Wildlife Research Unit, Department of Natural Resources and the Environment, Cornell University Ithaca NY USA
| | - J. Andrew Royle
- U.S. Geological Survey, Eastern Ecological Science Center Laurel MD USA
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Stiller JC, Siemer WF, Perkins KA, Fuller AK. Choosing an optimal duck season: integrating hunter values and duck abundance. WILDLIFE SOC B 2022. [DOI: 10.1002/wsb.1313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Joshua C. Stiller
- New York State Department of Environmental Conservation, 625 Broadway 5th Floor Albany NY 12233 USA
| | - William F. Siemer
- Center for Conservation Social Sciences, Department of Natural Resources and the Environment Cornell University, Fernow Hall Ithaca NY 14853 USA
| | - Kelly A. Perkins
- New York Cooperative Fish and Wildlife Research Unit, Department of Natural Resources and the Environment Cornell University, Fernow Hall Ithaca NY 14853 USA
| | - Angela K. Fuller
- U.S. Geological Survey, New York Cooperative Fish and Wildlife Research Unit, Department of Natural Resources and the Environment Cornell University, Fernow Hall Ithaca NY 14853 USA
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6
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Proctor MF, Garshelis DL, Thatte P, Steinmetz R, Crudge B, McLellan BN, McShea WJ, Ngoprasert D, Nawaz MA, Te Wong S, Sharma S, Fuller AK, Dharaiya N, Pigeon KE, Fredriksson G, Wang D, Li S, Hwang MH. Review of field methods for monitoring Asian bears. Glob Ecol Conserv 2022. [DOI: 10.1016/j.gecco.2022.e02080] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
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Abstract
Citizen science, or community science, has emerged as a cost-efficient method to collect data for wildlife monitoring. To inform research and conservation, citizen science sampling designs should collect data that match the robust statistical analyses needed to quantify species and population patterns. Further increasing the contributions of citizen science, integrating citizen science data with other datasets and datatypes can improve population estimates and expand the spatiotemporal extent of inference. We demonstrate these points with a citizen science program called iSeeMammals developed in New York state in 2017 to supplement costly systematic spatial capture-recapture sampling by collecting opportunistic data from one-off observations, hikes, and camera traps. iSeeMammals has initially focused on the growing population of American black bear (Ursus americanus), with integrated analysis of iSeeMammals camera trap data with systematic data for a region with a growing bear population. The triumvirate of increased spatial and temporal coverage by at least twofold compared to systematic sampling, an 83% reduction in annual sampling costs, and improved density estimates when integrated with systematic data highlight the benefits of collecting presence-absence data in citizen science programs for estimating population patterns. Additional opportunities will come from applying presence-only data, which are oftentimes more prevalent than presence-absence data, to integrated models. Patterns in data submission and filtering also emphasize the importance of iteratively evaluating patterns in engagement, usability, and accessibility, especially focusing on younger adult and teenage demographics, to improve data quality and quantity. We explore how the development and use of integrated models may be paired with citizen science project design in order to facilitate repeated use of datasets in standalone and integrated analyses for supporting wildlife monitoring and informing conservation.
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Affiliation(s)
- Angela K. Fuller
- U.S. Geological Survey, New York Cooperative Fish and Wildlife Research Unit, Department of Natural ResourcesCornell University Ithaca NY 14853 USA
| | - Daniel J. Decker
- Human Dimensions Research Unit, Department of Natural ResourcesCornell University Ithaca NY 14853 USA
| | - Michael V. Schiavone
- New York State Department of Environmental ConservationDivision of Fish and Wildlife Albany NY 12233 USA
| | - Ann B. Forstchen
- Florida Fish and Wildlife Conservation CommissionDivision of Habitat and Species Conservation St. Petersburg FL 33701 USA
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9
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Affiliation(s)
| | - Chris Sutherland
- Department of Environmental Conservation University of Massachusetts‐Amherst Amherst Massachusetts
| | - Angela K. Fuller
- U.S. Geological Survey, New York Cooperative Fish and Wildlife Research Unit, Department of Natural Resources Cornell University Ithaca New York
| | | | - Eduardo Eizirik
- Laboratório de Biologia Genômica e Molecular Escola de Ciências, Pontifícia Universidade Católica do Rio Grande do Sul Porto Alegre Brazil
- Instituto Pró‐Carnívoros Atibaia Brazil
| | - Laurie Marker
- Ecology Division Cheetah Conservation Fund Otjiwarongo Namibia
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10
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Sutherland C, Fuller AK, Royle JA, Hare MP, Madden S. Author Correction: Large-scale variation in density of an aquatic ecosystem indicator species. Sci Rep 2019; 9:16509. [PMID: 31695126 PMCID: PMC6834592 DOI: 10.1038/s41598-019-53158-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022] Open
Affiliation(s)
- Chris Sutherland
- Department of Environmental Conservation, University of Massachusetts, Amherst, 01003, USA.
| | - Angela K Fuller
- Department of Natural Resources, U.S. Geological Survey, New York Cooperative Fish and Wildlife Research Unit, Cornell University, Ithaca, 14853, USA.,U.S. Geological Survey, New York Cooperative Fish and Wildlife Research Unit, Department of Natural Resources, Cornell University, Ithaca, 14853, USA
| | - J Andrew Royle
- U.S. Geological Survey, Patuxent Wildlife Research Center, Laurel, 12311, USA
| | - Matthew P Hare
- Department of Natural Resources, Cornell University, Ithaca, 14853, USA
| | - Sean Madden
- New York State Department of Environmental Conservation, Division of Fish and Wildlife, Albany, 12233, USA
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11
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Gupta A, Dilkina B, Morin DJ, Fuller AK, Royle JA, Sutherland C, Gomes CP. Reserve design to optimize functional connectivity and animal density. Conserv Biol 2019; 33:1023-1034. [PMID: 31209924 DOI: 10.1111/cobi.13369] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2018] [Revised: 11/21/2018] [Accepted: 01/09/2019] [Indexed: 06/09/2023]
Abstract
Ecological distance-based spatial capture-recapture models (SCR) are a promising approach for simultaneously estimating animal density and connectivity, both of which affect spatial population processes and ultimately species persistence. We explored how SCR models can be integrated into reserve-design frameworks that explicitly acknowledge both the spatial distribution of individuals and their space use resulting from landscape structure. We formulated the design of wildlife reserves as a budget-constrained optimization problem and conducted a simulation to explore 3 different SCR-informed optimization objectives that prioritized different conservation goals by maximizing the number of protected individuals, reserve connectivity, and density-weighted connectivity. We also studied the effect on our 3 objectives of enforcing that the space-use requirements of individuals be met by the reserve for individuals to be considered conserved (referred to as home-range constraints). Maximizing local population density resulted in fragmented reserves that would likely not aid long-term population persistence, and maximizing the connectivity objective yielded reserves that protected the fewest individuals. However, maximizing density-weighted connectivity or preemptively imposing home-range constraints on reserve design yielded reserves of largely spatially compact sets of parcels covering high-density areas in the landscape with high functional connectivity between them. Our results quantify the extent to which reserve design is constrained by individual home-range requirements and highlight that accounting for individual space use in the objective and constraints can help in the design of reserves that balance abundance and connectivity in a biologically relevant manner.
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Affiliation(s)
- Amrita Gupta
- School of Computational Science and Engineering, College of Computing, Georgia Institute of Technology, 266 Ferst Drive, Atlanta, GA, 30332, U.S.A
| | - Bistra Dilkina
- School of Computational Science and Engineering, College of Computing, Georgia Institute of Technology, 266 Ferst Drive, Atlanta, GA, 30332, U.S.A
| | - Dana J Morin
- New York Cooperative Fish and Wildlife Research Unit, Department of Natural Resources, Cornell University, 211 Fernow Hall, 226 Mann Drive, Ithaca, NY, 14853, U.S.A
| | - Angela K Fuller
- U.S. Geological Survey, New York Cooperative Fish and Wildlife Research Unit, Department of Natural Resources, Cornell University, 211 Fernow Hall, 226 Mann Drive, Ithaca, NY, 14853, U.S.A
| | - J Andrew Royle
- U.S. Geological Survey, Patuxent Wildlife Research Center, 12100 Beech Forest Road, Laurel, MD, 20708, U.S.A
| | - Christopher Sutherland
- New York Cooperative Fish and Wildlife Research Unit, Department of Natural Resources, Cornell University, 211 Fernow Hall, 226 Mann Drive, Ithaca, NY, 14853, U.S.A
| | - Carla P Gomes
- Department of Computer Science, Institute for Computational Sustainability, Cornell University, 353 Gates Hall, Ithaca, NY, 14853, U.S.A
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12
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Sun CC, Royle JA, Fuller AK. Incorporating citizen science data in spatially explicit integrated population models. Ecology 2019; 100:e02777. [PMID: 31168779 DOI: 10.1002/ecy.2777] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Revised: 04/04/2019] [Accepted: 04/16/2019] [Indexed: 11/09/2022]
Abstract
Information about population abundance, distribution, and demographic rates is critical for understanding a species' ecology and for effective conservation and management. To collect data over large spatial and temporal extents for such inferences, especially for species with low densities or wide distributions, citizen science can be an efficient approach. Integrated models have also emerged as an important methodology to estimate population parameters by combining multiple types of data, including citizen science data. We developed a spatially explicit integrated model that combines opportunistically collected presence-absence (PA) data, commonly collected in citizen science efforts, with systematically collected spatial capture-recapture (SCR) data, which are often limited to small spatial and temporal extents. We conducted single and multi-season simulations with parameters informed by North American black bear (Ursus americanus) populations, to evaluate the influence of varying amounts of opportunistic PA data collected at larger spatial and temporal extents on the estimation of population-level parameters. Integrating opportunistic PA data increased the precision and accuracy of posterior estimates of abundance, and survival and recruitment rates. In some cases, adding PA locations improved abundance estimates more than increasing PA detection probability. Posterior estimates were as precise and unbiased as when higher quality, but sparse, SCR data were available. We also applied the integrated model to SCR and citizen science PA data collected on black bears in New York, with results consistent with our simulations. Our findings indicate that citizen science in integrated models can be a cost-efficient way to improve estimates of population parameters and increase the spatiotemporal extent of inference. Continued developments with integrated models and citizen science data will offer additional ways to improve our understanding of population structure and demographics.
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Affiliation(s)
- Catherine C Sun
- New York Cooperative Fish and Wildlife Research Unit, Department of Natural Resources, Cornell University, 226 Mann Drive, Ithaca, New York, 14853, USA
| | - J Andrew Royle
- U.S. Geological Survey, Patuxent Wildlife Research Center, Laurel, Maryland, 20708, USA
| | - Angela K Fuller
- U.S. Geological Survey, New York Cooperative Fish and Wildlife Research Unit, Department of Natural Resources, Cornell University, 226 Mann Drive, Ithaca, NY, 14853, USA
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13
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Robinson KF, Fuller AK, Stedman RC, Siemer WF, Decker DJ. Integration of social and ecological sciences for natural resource decision making: challenges and opportunities. Environ Manage 2019; 63:565-573. [PMID: 30739152 DOI: 10.1007/s00267-019-01141-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2017] [Accepted: 01/28/2019] [Indexed: 06/09/2023]
Abstract
The last 25 years have witnessed growing recognition that natural resource management decisions depend as much on understanding humans and their social interactions as on understanding the interactions between non-human organisms and their environment. Decision science provides a framework for integrating ecological and social factors into a decision, but challenges to integration remain. The decision-analytic framework elicits values and preferences to help articulate objectives, and then evaluates the outcomes of alternative management actions to achieve these objectives. Integrating social science into these steps can be hindered by failing to include social scientists as more than stakeholder-process facilitators, assuming that specific decision-analytic skills are commonplace for social scientists, misperceptions of social data as inherently qualitative, timescale mismatches for iterating through decision analysis and collecting relevant social data, difficulties in predicting human behavior, and failures of institutions to recognize the importance of this integration. We engage these challenges, and suggest solutions to them, helping move forward the integration of social and biological/ecological knowledge and considerations in decision-making.
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Affiliation(s)
- Kelly F Robinson
- Department of Natural Resources, New York Cooperative Fish and Wildlife Research Unit, Cornell University, Ithaca, NY, 14853, USA.
- Department of Fisheries and Wildlife, Quantitative Fisheries Center, Michigan State University, East Lansing, MI, 48842, USA.
| | - Angela K Fuller
- Department of Natural Resources, U.S. Geological Survey, New York Cooperative Fish and Wildlife Research Unit, Cornell University, Ithaca, NY, 14853, USA
| | - Richard C Stedman
- Department of Natural Resources, Cornell Center for Conservation Social Sciences, Cornell University, Ithaca, NY, 14853, USA
| | - William F Siemer
- Department of Natural Resources, Cornell Center for Conservation Social Sciences, Cornell University, Ithaca, NY, 14853, USA
| | - Daniel J Decker
- Department of Natural Resources, Cornell Center for Conservation Social Sciences, Cornell University, Ithaca, NY, 14853, USA
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14
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Miller JRB, Pitman RT, Mann GKH, Fuller AK, Balme GA. Lions and leopards coexist without spatial, temporal or demographic effects of interspecific competition. J Anim Ecol 2018; 87:1709-1726. [PMID: 30010193 DOI: 10.1111/1365-2656.12883] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2018] [Accepted: 06/13/2018] [Indexed: 11/28/2022]
Abstract
Although interspecific competition plays a principal role in shaping species behaviour and demography, little is known about the population-level outcomes of competition between large carnivores, and the mechanisms that facilitate coexistence. We conducted a multilandscape analysis of two widely distributed, threatened large carnivore competitors to offer insight into coexistence strategies and assist with species-level conservation. We evaluated how interference competition affects occupancy, temporal activity and population density of a dominant competitor, the lion (Panthera leo), and its subordinate competitor, the leopard (Panthera pardus). We collected camera-trap data over 3 years in 10 study sites covering 5,070 km2 . We used multispecies occupancy modelling to assess spatial responses in varying environmental and prey conditions and competitor presence, and examined temporal overlap and the relationship between lion and leopard densities across sites and years. Results showed that both lion and leopard occupancy was independent of-rather than conditional on-their competitor's presence across all environmental covariates. Marginal occupancy probability for leopard was higher in areas with more bushy, "hideable" habitat, human (tourist) activity and topographic ruggedness, whereas lion occupancy decreased with increasing hideable habitat and increased with higher abundance of very large prey. Temporal overlap was high between carnivores, and there was no detectable relationship between species densities. Lions pose a threat to the survival of individual leopards, but they exerted no tractable influence on leopard spatial or temporal dynamics. Furthermore, lions did not appear to suppress leopard populations, suggesting that intraguild competitors can coexist in the same areas without population decline. Aligned conservation strategies that promote functioning ecosystems, rather than target individual species, are therefore advised to achieve cost- and space-effective conservation.
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Affiliation(s)
- Jennifer R B Miller
- Panthera, New York, New York.,Department of Biological Sciences, Institute for Communities and Wildlife in Africa, University of Cape Town, Cape Town, South Africa.,New York Cooperative Fish and Wildlife Research Unit, Department of Natural Resources, Cornell University, Ithaca, New York.,Department of Environmental Science, Policy, and Management, University of California-Berkeley, Berkeley, California
| | - Ross T Pitman
- Panthera, New York, New York.,Department of Biological Sciences, Institute for Communities and Wildlife in Africa, University of Cape Town, Cape Town, South Africa
| | - Gareth K H Mann
- Panthera, New York, New York.,Department of Biological Sciences, Institute for Communities and Wildlife in Africa, University of Cape Town, Cape Town, South Africa
| | - Angela K Fuller
- New York Cooperative Fish and Wildlife Research Unit, Department of Natural Resources, Cornell University, Ithaca, New York
| | - Guy A Balme
- Panthera, New York, New York.,Department of Biological Sciences, Institute for Communities and Wildlife in Africa, University of Cape Town, Cape Town, South Africa
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Sutherland C, Fuller AK, Royle JA, Hare MP, Madden S. Large-scale variation in density of an aquatic ecosystem indicator species. Sci Rep 2018; 8:8958. [PMID: 29895946 PMCID: PMC5997698 DOI: 10.1038/s41598-018-26847-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2018] [Accepted: 05/18/2018] [Indexed: 12/04/2022] Open
Abstract
Monitoring indicator species is a pragmatic approach to natural resource assessments, especially when the link between the indicator species and ecosystem state is well justified. However, conducting ecosystem assessments over representative spatial scales that are insensitive to local heterogeneity is challenging. We examine the link between polychlorinated biphenyl (PCB) contamination and population density of an aquatic habitat specialist over a large spatial scale using non-invasive genetic spatial capture-recapture. Using American mink (Neovison vison), a predatory mammal and an indicator of aquatic ecosystems, we compared estimates of density in two major river systems, one with extremely high levels of PCB contamination (Hudson River), and a hydrologically independent river with lower PCB levels (Mohawk River). Our work supports the hypothesis that mink densities are substantially (1.64-1.67 times) lower in the contaminated river system. We demonstrate the value of coupling the indicator species concept with well-conceived and spatially representative monitoring protocols. PCBs have demonstrable detrimental effects on aquatic ecosystems, including mink, and these effects are likely to be profound and long-lasting, manifesting as population-level impacts. Through integrating non-invasive data collection, genetic analysis, and spatial capture-recapture methods, we present a monitoring framework for generating robust density estimates across large spatial scales.
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Affiliation(s)
- Chris Sutherland
- Department of Environmental Conservation, University of Massachusetts, Amherst, 01003, USA.
| | - Angela K Fuller
- Department of Natural Resources, U.S. Geological Survey, New York Cooperative Fish and Wildlife Research Unit, Cornell University, Ithaca, 14853, USA
- U.S. Geological Survey, New York Cooperative Fish and Wildlife Research Unit, Department of Natural Resources, Cornell University, Ithaca, 14853, USA
| | - J Andrew Royle
- U.S. Geological Survey, Patuxent Wildlife Research Center, Laurel, 12311, USA
| | - Matthew P Hare
- Department of Natural Resources, Cornell University, Ithaca, 14853, USA
| | - Sean Madden
- New York State Department of Environmental Conservation, Division of Fish and Wildlife, Albany, 12233, USA
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Affiliation(s)
- Santiago Molina
- Universidad San Francisco de Quito, School of Biological and Environmental Sciences, Diego de Robles S/N y Pampite, Cumbaya-Quito-Ecuador
| | - Angela K. Fuller
- U.S. Geological Survey, New York Cooperative Fish and Wildlife Research Unit, Cornell University, Department of Natural Resources, 211 Fernow Hall, Ithaca, NY 14853, USA
| | - Dana J. Morin
- New York Cooperative Fish and Wildlife Research Unit, Cornell University, Department of Natural Resources, 211 Fernow Hall, Ithaca, NY 14853, USA
| | - J. Andrew Royle
- U.S. Geological Survey, Patuxent Wildlife Research Center, 12100 Beech Forest Road, Laurel, MD 20708, USA
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17
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Affiliation(s)
- Catherine C. Sun
- New York Cooperative Fish and Wildlife Research Unit; Department of Natural Resources; Cornell University; Ithaca NY 14853 USA
| | - Angela K. Fuller
- U.S. Geological Survey; New York Cooperative Fish and Wildlife Research Unit; Department of Natural Resources; Cornell University; Ithaca NY 14853 USA
| | - Matthew P. Hare
- Department of Natural Resources; Cornell University; Ithaca NY 14853 USA
| | - Jeremy E. Hurst
- New York State Department of Environmental Conservation; Albany NY 12233 USA
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18
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Affiliation(s)
- Nathan J. Crum
- New York Cooperative Fish and Wildlife Research Unit; Department of Natural Resources; Cornell University; 302 Fernow Hall Ithaca NY 14853 USA
| | - Angela K. Fuller
- U.S. Geological Survey; New York Cooperative Fish and Wildlife Research Unit; Department of Natural Resources; Cornell University; 211 Fernow Hall Ithaca NY 14853 USA
| | - Christopher S. Sutherland
- New York Cooperative Fish and Wildlife Research Unit; Department of Natural Resources; Cornell University; 211C Fernow Hall Ithaca NY 14853 USA
| | - Evan G. Cooch
- Department of Natural Resources; Cornell University; 202 Fernow Hall Ithaca NY 14853 USA
| | - Jeremy Hurst
- New York State Department of Environmental Conservation; Division of Fish, Wildlife and Marine Resources; 625 Broadway Albany NY 12233 USA
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19
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Affiliation(s)
- Daniel W. Linden
- New York Cooperative Fish and Wildlife Research Unit; Department of Natural Resources; Cornell University; 211 Fernow Hall Ithaca NY 14853 USA
| | - Angela K. Fuller
- U.S. Geological Survey; New York Cooperative Fish and Wildlife Research Unit; Department of Natural Resources; Cornell University; 211 Fernow Hall Ithaca NY 14853 USA
| | - J. Andrew Royle
- U.S. Geological Survey; Patuxent Wildlife Research Center; Laurel MD 20708 USA
| | - Matthew P. Hare
- Department of Natural Resources; Cornell University; 205 Fernow Hall Ithaca NY 14853 USA
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Robinson KF, Fuller AK, Schiavone MV, Swift BL, Diefenbach DR, Siemer WF, Decker DJ. Addressing wild turkey population declines using structured decision making. J Wildl Manage 2017. [DOI: 10.1002/jwmg.21220] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Kelly F. Robinson
- New York Cooperative Fish and Wildlife Research Unit; Department of Natural Resources; Cornell University; Ithaca NY 14853 USA
| | - Angela K. Fuller
- U.S. Geological Survey; New York Cooperative Fish and Wildlife Research Unit; Department of Natural Resources; Cornell University; Ithaca NY 14853 USA
| | - Michael V. Schiavone
- New York Department of Environmental Conservation; Division of Fish, Wildlife, and Marine Resources; 625 Broadway, 5th Floor Albany NY 12233 USA
| | - Bryan L. Swift
- New York Department of Environmental Conservation; Division of Fish, Wildlife, and Marine Resources; 625 Broadway, 5th Floor Albany NY 12233 USA
| | - Duane R. Diefenbach
- U.S. Geological Survey; Pennsylvania Cooperative Fish and Wildlife Research Unit; Pennsylvania State University; University Park PA 16802 USA
| | - William F. Siemer
- Department of Natural Resources; Cornell University; Ithaca NY 14853 USA
| | - Daniel J. Decker
- Department of Natural Resources; Cornell University; Ithaca NY 14853 USA
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21
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Morin DJ, Fuller AK, Royle JA, Sutherland C. Model-based estimators of density and connectivity to inform conservation of spatially structured populations. Ecosphere 2017. [DOI: 10.1002/ecs2.1623] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Affiliation(s)
- Dana J. Morin
- New York Cooperative Fish and Wildlife Research Unit; Department of Natural Resources; Cornell University; 211 Fernow Hall Ithaca New York 14853 USA
| | - Angela K. Fuller
- U.S. Geological Survey; New York Cooperative Fish and Wildlife Research Unit; Department of Natural Resources; Cornell University; 211 Fernow Hall Ithaca New York 14853 USA
| | - J. Andrew Royle
- U.S. Geological Survey; Patuxent Wildlife Research Center; 12000 Beech Forest Road Laurel Maryland 20708 USA
| | - Chris Sutherland
- Department of Environmental Conservation; University of Massachusetts-Amherst; 118 Holdsworth Hall Amherst Massachusetts 01003 USA
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Robinson KF, Fuller AK, Hurst JE, Swift BL, Kirsch A, Farquhar J, Decker DJ, Siemer WF. Structured decision making as a framework for large‐scale wildlife harvest management decisions. Ecosphere 2016. [DOI: 10.1002/ecs2.1613] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Affiliation(s)
- Kelly F. Robinson
- New York Cooperative Fish and Wildlife Research Unit Department of Natural Resources Cornell University Ithaca New York 14853 USA
- Department of Fisheries and Wildlife Michigan State University East Lansing Michigan 48824 USA
| | - Angela K. Fuller
- U.S. Geological Survey New York Cooperative Fish and Wildlife Research Unit Department of Natural ResourcesCornell University Ithaca New York 14853 USA
| | - Jeremy E. Hurst
- Division of Fish and Wildlife New York State Department of Environmental Conservation Albany New York 12233 USA
| | - Bryan L. Swift
- Division of Fish and Wildlife New York State Department of Environmental Conservation Albany New York 12233 USA
| | - Arthur Kirsch
- Division of Fish and Wildlife New York State Department of Environmental Conservation Avon New York 14414 USA
| | - James Farquhar
- Division of Fish and Wildlife New York State Department of Environmental Conservation Albany New York 12233 USA
| | - Daniel J. Decker
- Department of Natural Resources Cornell University Ithaca New York 14853 USA
| | - William F. Siemer
- Department of Natural Resources Cornell University Ithaca New York 14853 USA
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Fuller AK, Sutherland CS, Royle JA, Hare MP. Estimating population density and connectivity of American mink using spatial capture-recapture. Ecol Appl 2016; 26:1125-35. [PMID: 27509753 DOI: 10.1890/15-0315] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Estimating the abundance or density of populations is fundamental to the conservation and management of species, and as landscapes become more fragmented, maintaining landscape connectivity has become one of the most important challenges for biodiversity conservation. Yet these two issues have never been formally integrated together in a model that simultaneously models abundance while accounting for connectivity of a landscape. We demonstrate an application of using capture-recapture to develop a model of animal density using a least-cost path model for individual encounter probability that accounts for non-Euclidean connectivity in a highly structured network. We utilized scat detection dogs (Canis lupus familiaris) as a means of collecting non-invasive genetic samples of American mink (Neovison vison) individuals and used spatial capture-recapture models (SCR) to gain inferences about mink population density and connectivity. Density of mink was not constant across the landscape, but rather increased with increasing distance from city, town, or village centers, and mink activity was associated with water. The SCR model allowed us to estimate the density and spatial distribution of individuals across a 388 km² area. The model was used to investigate patterns of space usage and to evaluate covariate effects on encounter probabilities, including differences between sexes. This study provides an application of capture-recapture models based on ecological distance, allowing us to directly estimate landscape connectivity. This approach should be widely applicable to provide simultaneous direct estimates of density, space usage, and landscape connectivity for many species.
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Affiliation(s)
- Angela K. Fuller
- U.S. Geological Survey; New York Cooperative Fish and Wildlife Research Unit; Department of Natural Resources, Cornell University; 211 Fernow Hall Ithaca NY 14853 USA
| | - Daniel W. Linden
- New York Cooperative Fish and Wildlife Research Unit; Department of Natural Resources, Cornell University; 211 Fernow Hall Ithaca NY 14853 USA
| | - J. Andrew Royle
- U.S. Geological Survey; Patuxent Wildlife Research Center; Laurel MD 20708 USA
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Dayer AA, Stedman RC, Allred SB, Rosenberg KV, Fuller AK. Understanding landowner intentions to create early successional forest habitat in the northeastern United States. WILDLIFE SOC B 2015. [DOI: 10.1002/wsb.613] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Ashley A. Dayer
- Cornell Lab of Ornithology; 159 Sapsucker Woods Road Ithaca NY 14850 USA
- Human Dimensions Research Unit, Department of Natural Resources; Cornell University; Fernow Hall Ithaca NY 14850 USA
| | - Richard C. Stedman
- Human Dimensions Research Unit, Department of Natural Resources; Cornell University; Fernow Hall Ithaca NY 14850 USA
| | - Shorna B. Allred
- Human Dimensions Research Unit, Department of Natural Resources; Cornell University; Fernow Hall Ithaca NY 14850 USA
| | | | - Angela K. Fuller
- United States Geological Survey, New York Cooperative Fish and Wildlife Research Unit, Department of Natural Resources; Cornell University; Fernow Hall Ithaca NY 14850 USA
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26
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Sun CC, Fuller AK, Royle JA. Correction: Trap Configuration and Spacing Influences Parameter Estimates in Spatial Capture-Recapture Models. PLoS One 2015; 10:e0141634. [PMID: 26496076 PMCID: PMC4619801 DOI: 10.1371/journal.pone.0141634] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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28
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Affiliation(s)
- Christopher P. Nadeau
- New York Cooperative Fish and Wildlife Research Unit Department of Natural Resources Cornell University 211 Fernow Hall Ithaca NY 14853 USA
| | - Angela K. Fuller
- U.S. Geological Survey New York Cooperative Fish and Wildlife Research Unit Department of Natural Resources Cornell University 211 Fernow Hall Ithaca NY 14853 USA
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29
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Royle JA, Sutherland C, Fuller AK, Sun CC. Likelihood analysis of spatial capture-recapture models for stratified or class structured populations. Ecosphere 2015. [DOI: 10.1890/es14-00148.1] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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30
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Sutherland C, Fuller AK, Royle JA. Modelling non‐Euclidean movement and landscape connectivity in highly structured ecological networks. Methods Ecol Evol 2014. [DOI: 10.1111/2041-210x.12316] [Citation(s) in RCA: 90] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Chris Sutherland
- New York Cooperative Fish and Wildlife Research Unit Department of Natural Resources Cornell University Bruckner Hall Ithaca NY 14850 USA
| | - Angela K. Fuller
- U.S. Geological Survey New York Cooperative Fish and Wildlife Research Unit Department of Natural Resources Cornell University Fernow Hall Ithaca NY14850 USA
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31
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Royle JA, Chandler RB, Sun CC, Fuller AK. Reply to Efford on ‘Integrating resource selection information with spatial capture-recapture’. Methods Ecol Evol 2014. [DOI: 10.1111/2041-210x.12205] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- J. Andrew Royle
- U.S. Geological Survey; Patuxent Wildlife Research Center; Laurel MD 20708 USA
| | - Richard B. Chandler
- Warnell School of Forestry and Natural Resources; University of Georgia; Athens GA 30602 USA
| | - Catherine C. Sun
- New York Cooperative Fish and Wildlife Research Unit; Department of Natural Resources; Cornell University; Ithaca NY 14853 USA
| | - Angela K. Fuller
- U.S. Geological Survey; New York Cooperative Fish and Wildlife Research Unit; Department of Natural Resources; Cornell University; Ithaca NY 14853 USA
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32
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Affiliation(s)
- Kelly F. Robinson
- New York Cooperative Fish and Wildlife Research Unit; Department of Natural Resources; Cornell University; B02 Bruckner Hall Ithaca NY 14853 USA
| | - Duane R. Diefenbach
- U.S. Geological Survey; Pennsylvania Cooperative Fish and Wildlife Research Unit; Pennsylvania State University; University Park PA 16802 USA
| | - Angela K. Fuller
- U.S. Geological Survey; New York Cooperative Fish and Wildlife Research Unit; Department of Natural Resources; Cornell University; 211 Fernow Hall Ithaca NY 14853 USA
| | - Jeremy E. Hurst
- New York Department of Environmental Conservation; Division of Fish; Wildlife, and Marine Resources; 625 Broadway 5th Floor Albany NY 12233 USA
| | - Christopher S. Rosenberry
- Pennsylvania Game Commission; Bureau of Wildlife Management; 2001 Elmerton Avenue Harrisburg PA 17110 USA
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Fuller AK. Decision Making in Natural Resource Management: A Structured Adaptive Approach. Michael J.Conroy and James T.Peterson, 2013. Wiley-Blackwell, Oxford, UK. 456 pp. $99.95 paperback. ISBN: 978-0-470-67174-0. J Wildl Manage 2014. [DOI: 10.1002/jwmg.629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Angela K. Fuller
- U.S. Geological Survey; New York Cooperative Fish and Wildlife Research Unit; Cornell University; Ithaca NY USA
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Fuller AK, Spohr SM, Harrison DJ, Servello FA. Nest survival of wild turkeysMeleagris gallopavo silvestrisin a mixed-use landscape: influences at nest-site and patch scales. Wildlife Biology 2013. [DOI: 10.2981/11-121] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
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35
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Affiliation(s)
- J. Andrew Royle
- U.S. Geological Survey; Patuxent Wildlife Research Center; Laurel MD 20708 USA
| | - Richard B. Chandler
- U.S. Geological Survey; Patuxent Wildlife Research Center; Laurel MD 20708 USA
| | - Catherine C. Sun
- New York Cooperative Fish and Wildlife Research Unit; Department of Natural Resources; Cornell University; Ithaca NY 14853 USA
| | - Angela K. Fuller
- U.S. Geological Survey; New York Cooperative Fish and Wildlife Research Unit; Department of Natural Resources; Cornell University; Ithaca NY 14853 USA
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Abstract
BACKGROUND Alloimmunization is a major problem for patients being considered for solid organ transplantation and in patients who require blood transfusion support. We previously demonstrated that high-dose cyclophosphamide (200 mg/kg) without hematopoietic stem cell transplantation leads to durable complete remissions in aplastic anemia and other autoimmune disorders. We now examine the ability of high-dose cyclophosphamide to eliminate alloreactivity. METHODS IgG-specific antibodies to HLA class I were assayed using enzyme-linked immunosorbent assays in 18 consecutive patients with severe aplastic anemia before and after treatment with high-dose cyclophosphamide. RESULTS Anti-HLA antibodies were detected before or shortly after therapy in 5 of the 18 patients studied. Complete remission of aplastic anemia was achieved in four of these five patients. High-dose cyclophosphamide markedly reduced anti-HLA antibody titers in these four patients; they were completely eradicated in three patients. Only one patient did not achieve significant reduction in the alloantibody titer after high-dose cyclophosphamide. CONCLUSIONS High-dose cyclophosphamide without stem cell transplantation can eradicate HLA-specific alloantibody.
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Affiliation(s)
- R A Brodsky
- Johns Hopkins Oncology Center, Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland 21231, USA.
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Nevo S, Enger C, Hartley E, Borinsky ME, Swan V, Fuller AK, Braine HG, Kickler TS, George JN, Vogelsang GB. Acute bleeding and thrombocytopenia after bone marrow transplantation. Bone Marrow Transplant 2001; 27:65-72. [PMID: 11244439 DOI: 10.1038/sj.bmt.1702717] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The relationship between hemorrhage and low platelet count was first established in patients with acute leukemia, and has been widely applied to thrombocytopenic patients, including BMT patients. Yet, the role of thrombocytopenia in bleeding post BMT has not been systematically studied. We evaluated the risk of bleeding and outcome associated with thrombocytopenia in BMT patients who had prophylactic platelet transfusions at a trigger of 20 x 10(9)/l. Thrombocytopenia was investigated in 321 patients with moderate or severe bleeding (BLD), and in a matched comparison group of 287 patients who did not bleed (NBLD). Profound thrombocytopenia (< or = 10 x 10(9)/l) was found in 8.6% of the BLD patients during the week before the bleeding onset, significantly more frequent than in NBLD patients (2.1% to 4%, P < 0.02), during weeks 2 to 6 post BMT (the period when 75% of the bleeding initiated). On the first day of bleeding, platelet counts < or = 10 x 10(9)/l were found in 13.5%, 11-20 x 10(9)/l in 20.4%, and > 20 x 10(9)/l in 66.1% of all episodes. Overall survival in BLD patients was not associated with the severity of thrombocytopenia before bleeding onset. Severity of thrombocytopenia was significantly associated with reduced survival in NBLD patients. We concluded that bleeding post BMT was significantly associated with thrombocytopenia, but the attributable risk of bleeding from profound thrombocytopenia was not large. Thrombocytopenia may be an important clinical sign in NBLD patients, and should be further explored in relation to acute toxicities other than bleeding.
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Affiliation(s)
- S Nevo
- Johns Hopkins Cancer Center, Baltimore, MD, USA
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Nevo S, Enger C, Swan V, Wojno KJ, Fuller AK, Altomonte V, Braine HG, Noga SJ, Vogelsang GB. Acute bleeding after allogeneic bone marrow transplantation: association with graft versus host disease and effect on survival. Transplantation 1999; 67:681-9. [PMID: 10096522 DOI: 10.1097/00007890-199903150-00007] [Citation(s) in RCA: 50] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
BACKGROUND Hemorrhagic complications are frequently implicated clinically for the high morbidity and mortality of acute graft versus host disease (GVHD), however, only few reports characterize the incidence and timing of bleeding in relation to GVHD, and essentially no study has quantified the effect of bleeding on survival of allogeneic patients with GVHD. This study examines the association of bleeding with acute GVHD and the effect of both complications on survival. METHODS A total of 463 allogeneic patients transplanted at the Johns Hopkins Hospital, were included in the study. Bleeding evaluation was based on daily scores of intensity and blood transfusions. All bleeding sites were recorded. GVHD staging was defined by the extent of rash, serum bilirubin, diarrhea, and confirmatory histology. RESULTS The incidence of GVHD was 27.4%, bleeding occurred in 40.2%. The incidence of bleeding was higher in patients with GVHD as compared with non-GVHD, and correlated with GVHD severity. The higher bleeding incidence in GVHD was due to gastrointestinal hemorrhage, hemorrhagic cystitis, and pulmonary hemorrhage. While the majority of bleeding (51/75) in non-GVHD patients initiated within 30 days after bone marrow transplantation (BMT), only 32.3% (21/65) of the bleeding in the GVHD group initiated within 30 days, and the risk for bleeding continued until day 100. Bleeding was a late event compared to GVHD, however, most bleeding episodes were associated with active GVHD. Both GVHD and bleeding were individually associated with reduced survival, with profound additive adverse effect: median survival in 221 nonbleeding non-GVHD was >83.2 months, GVHD nonbleeding (39 patients) had median of 10.6 months, bleeding non-GVHD (99 patients) had median of 4.3 months, and median survival of the GVHD bleeding group (85 patients) was 3.2 months. CONCLUSIONS Our results support an association of bleeding with acute GVHD, suggesting that GVHD is a risk factor for bleeding after BMT. The occurrence of bleeding clearly identified poor outcome subgroup within GVHD, suggesting further evaluation for clinical application of bleeding in the assessment of GVHD severity.
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Affiliation(s)
- S Nevo
- Johns Hopkins Oncology Center, Baltimore, Maryland 21287-8985, USA
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41
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Nevo S, Swan V, Enger C, Wojno KJ, Bitton R, Shabooti M, Fuller AK, Jones RJ, Braine HG, Vogelsang GB. Acute bleeding after bone marrow transplantation (BMT)- incidence and effect on survival. A quantitative analysis in 1,402 patients. Blood 1998; 91:1469-77. [PMID: 9454780] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Acute bleeding after bone marrow transplantation (BMT) was investigated in 1,402 patients receiving transplants at Johns Hopkins Hospital between January 1, 1986 and June 30, 1995. Bleeding categorization was based on daily scores of intensity used by the blood transfusion service. Moderate and severe episodes were analyzed for bleeding sites. Analysis of the cause of death and the interval of the bleeding episode to outcome endpoints was recorded. Survival estimates were computed for 1,353 BMT patients. The overall incidence was 34%. Minor bleeding was seen in 10.6%, moderate bleeding was seen in 11.3%, and severe bleeding was seen in 12% of all patients. Fourteen percent of patients had moderate or severe gastrointestinal hemorrhage, 6.4% had moderate or severe hemorrhagic cystitis, 2.8% had pulmonary hemorrhage, and 2% had intracranial hemorrhage. Sixty-one percent had 1 bleeding site and 34.4% had more than 1 site. Moderate and severe bleeding was more prevalent in allogeneic (31%) and unrelated patients (62.5%) compared with autologous patients (18.5%). Significant distribution of incidence was found among the different diagnoses, but not by disease status in acute myeloid leukemia, acute lymphoblastic leukemia, chronic myelogenous leukemia, Hodgkin's disease, and non-Hodgkin's lymphoma. Bleeding was associated with significantly reduced survival in allogeneic, autologous, and unrelated BMT and in each disease category except multiple myeloma. Survival was correlated with the bleeding intensity, bleeding site, and the number of sites. Although close temporal association was evident to mortality, bleeding was recorded as the cause of death in only the minority of cases compared with other toxicities after BMT (graft-versus-host disease, infections, and preparative regimen toxicity). Acute bleeding is a common complication after BMT that is profoundly associated with morbidity and mortality. Although bleeding was not a direct cause of death in the majority of cases, it has a potential prognostic implication as a predictor of poor outcome in clinical assessment of patients after BMT.
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Affiliation(s)
- S Nevo
- Johns Hopkins Oncology Center, Baltimore, MD 21287-8985, USA
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Abstract
Using regression estimates based upon data about past editions of the DSM, we predict various features of the DSM-V. Included in these predictions are the date of publication, number of pages, total number of categories, number of categories defined using diagnostic criteria, total number of diagnostic criteria, color of the manual, who will be in charge of the task force that creates the DSM-V, and revenues generated by the DSM-V. This article ends with comments on the changes in the editions of the DSMs and an analogy to the Sorcerer's Apprentice.
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Affiliation(s)
- R K Blashfield
- Department of Psychiatry, University of Florida, Gainesville 32610, USA
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Abstract
Evidence for the existence of exercise-induced analgesia has been weak, inconsistent, or anecdotal. The present study addresses criticisms of previous research by using a signal-detection analysis of pain perception in a within-subjects, repeated-measures research design with 22 endurance athletes who exercised in a naturalistic setting. Analysis showed discriminability measures from the lower intensities of a radiant-heat pain-perception task were significantly lower after exercise than the subjects' discriminability after a no-exercise period. This is consistent with discriminability decreases seen in studies of subjects who are under the influence of analgesic chemicals such as morphine and nitrous oxide. Discriminability differences were not seen in this study at the higher intensities of the stimulus, suggesting that exercise generates perceptual changes that may not reach pain-mediating levels. Visual analogue data suggest cognitive and motivational factors also play a role in report of pain after exercise.
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Affiliation(s)
- A K Fuller
- University of Florida, Gainesville 32610
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Fuller AK, LeRoy JB. Personality disorders: an overview for the physician. South Med J 1993; 86:430-7. [PMID: 8465221 DOI: 10.1097/00007611-199304000-00012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Personality disorders are common clinical syndromes that often go unrecognized in medical practice. Because patients with personality disorders receive care in all clinical settings, physicians could profit from a heightened awareness of the personality psychopathology of their patients and its impact on medical practice. Personality traits are universal and describe the "normal" range of behavior, while personality disorders are characterized by enduring maladaptive patterns. The etiology of personality disorders is multifactorial. Physician awareness of the multiple manifestations of specific personality disorders is helpful in matching the proper interventions to appropriate patients. Although management is symptomatically palliative rather than curative, physicians and patients alike can benefit from appropriate recognition and treatment of personality disorders.
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Affiliation(s)
- A K Fuller
- Southwestern State Hospital, Thomasville, Ga
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Abstract
A sample of 176 outpatients at a mental health clinic in rural southern Georgia were rated for the presence or absence of the DMS-III-R sadistic and self-defeating personality disorder criteria. On the basis of these ratings, 48 patients met the criteria for sadistic (n = 14) and self-defeating (n = 41). Surprisingly, half of the patients who met the sadistic criteria also fulfilled the self-defeating criteria. A factor analysis failed to divide the criteria cleanly into sadistic and self-defeating subsets.
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Affiliation(s)
- A K Fuller
- Southwestern State Hospital, Thomasville, Georgia
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Robinson ME, O'Connor PD, Macmillan M, Shirley FR, Greene AF, Geisser ME, Fuller AK. Physical and psychosocial correlates of test-retest isometric torque variability in patients with chronic low back pain. J Occup Rehabil 1992; 2:11-18. [PMID: 24242865 DOI: 10.1007/bf01078928] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Variability in trunk torque production has been suggested as a means of detecting submaximal effort in the assessment of chronic low back pain. Several investigations question the validity of using torque variability to detect submaximal efforts in patients with back injuries. However, few investigations have studied the correlates of text-retest torque variability in clinical populations. The present study investigated psychological distress, disability/flexibility/pain, and symptom magnification correlates of test-retest torque variability in chronic low back pain patients. Contrary to previous studies, psychological distress, tendency to report symptoms, and pain were negatively correlated with measures of torque variability. The findings indicate the potential for psychological variables to influence torque production, but on the whole provide little strong support for the use of test-retest torque variability as a means of detecting submaximal performance.
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Affiliation(s)
- M E Robinson
- Department of Clinical and Health Psychology, University of Florida, Box 100165 JHMHC, 32610, Gainesville, Florida
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Morrow JF, Braine HG, Kickler TS, Ness PM, Dick JD, Fuller AK. Septic reactions to platelet transfusions. A persistent problem. JAMA 1991; 266:555-8. [PMID: 2061984] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
OBJECTIVE To determine the medical and laboratory characteristics of bacteremia secondary to transfusion of microbiologically contaminated platelet concentrates. DESIGN Febrile transfusion reactions were prospectively monitored over 42 months. Units involved in reactions were evaluated with Gram's stain and culture tests. SETTING Comprehensive cancer center. PATIENTS Patients receiving platelet transfusions for thrombocytopenia secondary to bone marrow failure. RESULT Seven cases of transfusion-associated sepsis were observed. Multidonor platelet products stored for 5 days resulted in an incidence of sepsis five times higher than those stored for 4 days or less (P less than .01). Investigation indicates that contamination most likely occurred at the time of blood collection. Clinically, septic reactions were associated with greater temperature elevations (average increase, 2.0 degrees C) than febrile reactions to sterile products. CONCLUSIONS Contamination of platelet concentrates remains a significant clinical problem. Septic episodes may be reduced by transfusion of platelets with shorter storage intervals.
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Affiliation(s)
- J F Morrow
- Department of Pathology, Johns Hopkins Medical Institutions, Baltimore, Md
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Abstract
A set of guidelines is proposed for the possible inclusion or exclusion of diagnostic categories in the DSM-IV. For possible inclusion, a new category should meet all of the following five guidelines: adequate literature, specified diagnostic criteria, acceptable interclinician reliability, evidence that the criteria forms a syndrome, and differentiation from other categories. For possible exclusion, a category should possess an inadequate literature, extremely low coverage, or evidence of diagnostic bias. None of the exclusionary guidelines would be invoked if the category refers to a demonstrable disease.
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Affiliation(s)
- R K Blashfield
- Department of Psychiatry, University of Florida, Gainesville 32610-0256
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Fuller AK, Blashfield RK. Masochistic personality disorder. A prototype analysis of diagnosis and sex bias. J Nerv Ment Dis 1989; 177:168-72. [PMID: 2918301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
The Work Group of the American Psychiatric Association to revise DSM-III in 1985 proposed a new personality disorder titled Masochistic Personality Disorder (MPD). This study concerns the clinical relevance and possible sex bias of MPD. The study was performed with clinicians who analyzed 15 case histories, five of which represented masochistic personality. The results led to the rejection of two hypotheses: a) masochistic personalities can be subsumed under existing DSM-III categories and b) there is a sex bias in the diagnostic use of MPD.
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