James Nichols, Ph.D.
Dr. Jim Nichols conducts research on animal population dynamics and management
Recent Accomplishments
Education
- B.S. Wake Forest University, Biology, 1971
- M.S. Louisiana State University, Wildlife Management, 1973
- Ph.D. Michigan State University, Wildlife Ecology, 1976
Professional Studies/Experience
- Adaptive management and assessment of habitat changes on migratory birds
- Development of models of mallard population dynamics for adaptive harvest management
- Development of methods to estimate parameters associated with animal population dynamics
- Statistical methods for species richness estimation
- Technical Assistance -Tiger Monitoring and Population Research
- Development of methods for estimating patch occupancy and patch-dynamic parameters from detection-nondetection survey data
- Development of methods to estimate species richness and community-dynamic parameters from species list data
Mentorship/Outreach
Professional societies/affiliations/committees/editorial boardsScientific/Oral Presentations, Abstracts
Honors, awards, recognition, elected offices
- 2005 - U.S. Presidential Rank Award (Meritorious Senior Professional)
- 2004 - U.S. Geological Survey Meritorious Service Award
- 2004 - IFAS Scholar Award, University of Florida
- 1998 - Promoted to Senior Scientist, U.S. Geological Survey
- 1991 - The George W. Snedecor Award of the American Statistical Association
- 1991 - The Wildlife Society's Wildlife Publication Award for Monograph
- 1984 - Southeastern Section of the Wildlife Society, Outstanding Publication Award
Scientific/Oral Presentations, Abstracts
Science and Products
Filter Total Items: 417
Stochastic seasonality and nonlinear density-dependent factors regulate population size in an African rodent Stochastic seasonality and nonlinear density-dependent factors regulate population size in an African rodent
Ecology has long been troubled by the controversy over how populations are regulated. Some ecologists focus on the role of environmental effects, whereas others argue that density-dependent feedback mechanisms are central. The relative importance of both processes is still hotly debated, but clear examples of both processes acting in the same population are rare. Keyfactor analysis...
Authors
H. Leirs, N. C. Stenseth, J.D. Nichols, J.E. Hines, R. Verhagen, W. Verheyen
The loss rates of web tags applied to day-old Anas and Aythya ducklings The loss rates of web tags applied to day-old Anas and Aythya ducklings
Researchers studied the loss rate of web tags on Anas and Aythya ducklings by double marking day-old ducklings of five species with web tags and plasticine-filled rings. Tag loss was examined over three-month, one-year, and three-year periods. Web tag loss was greatest for Anas and occurred mostly in the first three months following tagging.
Authors
Peter Blums, Aivars Mednis, I. Bauga, J.D. Nichols, J.E. Hines
Metodos cuantitativas contemporancos para entender y manejar poblaciones y comunidades animales Metodos cuantitativas contemporancos para entender y manejar poblaciones y comunidades animales
No abstract available.
Authors
M.J. Conroy, J.D. Nichols, E.R. Asanza
Capture-recapture survival models taking account of transients Capture-recapture survival models taking account of transients
The presence of transient animals, common enough in natural populations, invalidates the estimation of survival by traditional capture- recapture (CR) models designed for the study of residents only. Also, the study of transit is interesting in itself. We thus develop here a class of CR models to describe the presence of transients. In order to assess the merits of this approach we...
Authors
R. Pradel, J.E. Hines, J.D. Lebreton, J.D. Nichols
Sources of variation in waterfowl survival rates Sources of variation in waterfowl survival rates
Because of the need to manage hunted populations of waterfowl (Anatidae), biologists have studied many demographic traits of waterfowl by analyzing band recoveries. These analyses have produced the most extensive and best estimates of survival available for any group of birds. Using these data, we examined several factors that might explain variation among annual survival rates to...
Authors
D.G. Krementz, R. J. Barker, J.D. Nichols
Science and Products
Filter Total Items: 417
Stochastic seasonality and nonlinear density-dependent factors regulate population size in an African rodent Stochastic seasonality and nonlinear density-dependent factors regulate population size in an African rodent
Ecology has long been troubled by the controversy over how populations are regulated. Some ecologists focus on the role of environmental effects, whereas others argue that density-dependent feedback mechanisms are central. The relative importance of both processes is still hotly debated, but clear examples of both processes acting in the same population are rare. Keyfactor analysis...
Authors
H. Leirs, N. C. Stenseth, J.D. Nichols, J.E. Hines, R. Verhagen, W. Verheyen
The loss rates of web tags applied to day-old Anas and Aythya ducklings The loss rates of web tags applied to day-old Anas and Aythya ducklings
Researchers studied the loss rate of web tags on Anas and Aythya ducklings by double marking day-old ducklings of five species with web tags and plasticine-filled rings. Tag loss was examined over three-month, one-year, and three-year periods. Web tag loss was greatest for Anas and occurred mostly in the first three months following tagging.
Authors
Peter Blums, Aivars Mednis, I. Bauga, J.D. Nichols, J.E. Hines
Metodos cuantitativas contemporancos para entender y manejar poblaciones y comunidades animales Metodos cuantitativas contemporancos para entender y manejar poblaciones y comunidades animales
No abstract available.
Authors
M.J. Conroy, J.D. Nichols, E.R. Asanza
Capture-recapture survival models taking account of transients Capture-recapture survival models taking account of transients
The presence of transient animals, common enough in natural populations, invalidates the estimation of survival by traditional capture- recapture (CR) models designed for the study of residents only. Also, the study of transit is interesting in itself. We thus develop here a class of CR models to describe the presence of transients. In order to assess the merits of this approach we...
Authors
R. Pradel, J.E. Hines, J.D. Lebreton, J.D. Nichols
Sources of variation in waterfowl survival rates Sources of variation in waterfowl survival rates
Because of the need to manage hunted populations of waterfowl (Anatidae), biologists have studied many demographic traits of waterfowl by analyzing band recoveries. These analyses have produced the most extensive and best estimates of survival available for any group of birds. Using these data, we examined several factors that might explain variation among annual survival rates to...
Authors
D.G. Krementz, R. J. Barker, J.D. Nichols