Robert M Dorazio

Summary

Affiliation: U.S. Geological Survey
Country: USA

Publications

  1. ncbi request reprint Estimating abundance while accounting for rarity, correlated behavior, and other sources of variation in counts
    Robert M Dorazio
    U S Geological Survey, Southeast Ecological Science Center, 7920 NW 71 Street, Gainesville, Florida 32653, USA
    Ecology 94:1472-8. 2013
  2. doi request reprint Predicting the geographic distribution of a species from presence-only data subject to detection errors
    Robert M Dorazio
    Southeast Ecological Science Center, U S Geological Survey, Gainesville, FL 32605, USA
    Biometrics 68:1303-12. 2012
  3. ncbi request reprint Models for inference in dynamic metacommunity systems
    Robert M Dorazio
    U S Geological Survey and University of Florida, Department of Statistics, Gainesville, Florida 32611 0339, USA
    Ecology 91:2466-75. 2010
  4. ncbi request reprint Mixture models for estimating the size of a closed population when capture rates vary among individuals
    Robert M Dorazio
    U S Geological Survey, Florida Caribbean Science Center, 7920 NW 71 Street, Gainesville, Florida 32653, USA
    Biometrics 59:351-64. 2003
  5. ncbi request reprint Estimating species richness and accumulation by modeling species occurrence and detectability
    Robert M Dorazio
    U S Geological Survey, Florida Integrated Science Center, Department of Statistics, University of Florida, P O Box 110339, Gainesville, Florida 32611 0339, USA
    Ecology 87:842-54. 2006
  6. ncbi request reprint Improving removal-based estimates of abundance by sampling a population of spatially distinct subpopulations
    Robert M Dorazio
    US Geological Survey, Florida Integrated Science Center, Gainesville, 32653, USA
    Biometrics 61:1093-101. 2005
  7. ncbi request reprint Modeling unobserved sources of heterogeneity in animal abundance using a Dirichlet process prior
    Robert M Dorazio
    U S Geological Survey and Department of Statistics, University of Florida, Gainesville, Florida 32611 0339, USA
    Biometrics 64:635-44. 2008
  8. ncbi request reprint On the choice of statistical models for estimating occurrence and extinction from animal surveys
    Robert M Dorazio
    U S Geological Survey and Department of Statistics, University of Florida, Gainesville, Florida 32611 0339, USA
    Ecology 88:2773-82. 2007
  9. pmc Too risky to settle: avian community structure changes in response to perceived predation risk on adults and offspring
    Fangyuan Hua
    Department of Wildlife Ecology and Conservation, University of Florida, 110 Newins Ziegler Hall, PO Box 110430, Gainesville, FL 32611, USA
    Proc Biol Sci 280:20130762. 2013
  10. ncbi request reprint A new parameterization for estimating co-occurrence of interacting species
    J Hardin Waddle
    U S Geological Survey, National Wetlands Research Center, Lafayette, Louisiana 70506, USA
    Ecol Appl 20:1467-75. 2010

Detail Information

Publications11

  1. ncbi request reprint Estimating abundance while accounting for rarity, correlated behavior, and other sources of variation in counts
    Robert M Dorazio
    U S Geological Survey, Southeast Ecological Science Center, 7920 NW 71 Street, Gainesville, Florida 32653, USA
    Ecology 94:1472-8. 2013
    ..The effects of different sets of covariates may be estimated for the probability of occurrence of a species, for its mean abundance at occupied locations, and for its detectability...
  2. doi request reprint Predicting the geographic distribution of a species from presence-only data subject to detection errors
    Robert M Dorazio
    Southeast Ecological Science Center, U S Geological Survey, Gainesville, FL 32605, USA
    Biometrics 68:1303-12. 2012
    ..Analyses of presence-only data of three avian species observed in a survey of landbirds in western Montana and northern Idaho are compared with site-occupancy analyses of detections and nondetections of these species...
  3. ncbi request reprint Models for inference in dynamic metacommunity systems
    Robert M Dorazio
    U S Geological Survey and University of Florida, Department of Statistics, Gainesville, Florida 32611 0339, USA
    Ecology 91:2466-75. 2010
    ..To illustrate, we estimate changes in species composition associated with the species-specific phenologies of flight patterns of butterflies in Switzerland for the purpose of estimating regional differences in biodiversity...
  4. ncbi request reprint Mixture models for estimating the size of a closed population when capture rates vary among individuals
    Robert M Dorazio
    U S Geological Survey, Florida Caribbean Science Center, 7920 NW 71 Street, Gainesville, Florida 32653, USA
    Biometrics 59:351-64. 2003
    ..Prior knowledge about sources of individual heterogeneity in detection rates, if available, should be used to help select among classes of mixture models that are to be used for inference...
  5. ncbi request reprint Estimating species richness and accumulation by modeling species occurrence and detectability
    Robert M Dorazio
    U S Geological Survey, Florida Integrated Science Center, Department of Statistics, University of Florida, P O Box 110339, Gainesville, Florida 32611 0339, USA
    Ecology 87:842-54. 2006
    ..Our approach of developing occurrence-based summaries of communities while allowing for imperfect detection of species is broadly applicable and should prove useful in the design and analysis of surveys of biodiversity...
  6. ncbi request reprint Improving removal-based estimates of abundance by sampling a population of spatially distinct subpopulations
    Robert M Dorazio
    US Geological Survey, Florida Integrated Science Center, Gainesville, 32653, USA
    Biometrics 61:1093-101. 2005
    ..Extension of the hierarchical models to include spatial covariates of abundance is straightforward and may be used to identify important features of an animal's habitat or to predict the abundance of animals at unsampled locations...
  7. ncbi request reprint Modeling unobserved sources of heterogeneity in animal abundance using a Dirichlet process prior
    Robert M Dorazio
    U S Geological Survey and Department of Statistics, University of Florida, Gainesville, Florida 32611 0339, USA
    Biometrics 64:635-44. 2008
    ..Results of our data analysis and simulation studies suggest that our implementation of the Dirichlet process prior has several attractive features not shared by conventional, fully parametric alternatives...
  8. ncbi request reprint On the choice of statistical models for estimating occurrence and extinction from animal surveys
    Robert M Dorazio
    U S Geological Survey and Department of Statistics, University of Florida, Gainesville, Florida 32611 0339, USA
    Ecology 88:2773-82. 2007
    ..Simulation experiments are used to illustrate conditions wherein these types of models can be expected to outperform alternative estimators of population site occupancy and extinction...
  9. pmc Too risky to settle: avian community structure changes in response to perceived predation risk on adults and offspring
    Fangyuan Hua
    Department of Wildlife Ecology and Conservation, University of Florida, 110 Newins Ziegler Hall, PO Box 110430, Gainesville, FL 32611, USA
    Proc Biol Sci 280:20130762. 2013
    ....
  10. ncbi request reprint A new parameterization for estimating co-occurrence of interacting species
    J Hardin Waddle
    U S Geological Survey, National Wetlands Research Center, Lafayette, Louisiana 70506, USA
    Ecol Appl 20:1467-75. 2010
    ..The detection probabilities of native treefrog species did not depend on the presence of Cuban treefrogs, suggesting that the native treefrog species are naive to the introduced species...
  11. ncbi request reprint Hierarchical spatiotemporal matrix models for characterizing invasions
    Mevin B Hooten
    Department of Mathematics and Statistics, Utah State University, Logan, Utah 84322 3900, USA
    Biometrics 63:558-67. 2007
    ..The method is applied to the specific case of the Eurasian Collared-Dove, an invasive species at mid-invasion in the United States at the time of this writing...