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bio image of Robert  Dorazio

Robert Dorazio

Research Statistician (Biology)

Contact Info


Publications

Kery, M.; Royle, J.A.; Plattner, M.; Dorazio, R.M., 2009. Species richness and occupancy estimation in communities subject to temporary emigration. Ecology 90: 1279-129.

Royle, J.A. and R.M. Dorazio. 2008. Hierarchical modeling and inference in ecology: The analysis of data from populations, metapopulations and communities. Academic Press, San Diego. [Link]

Royle, J.A. and R.M. Dorazio. 2006. Hierarchical models of animal abundance and occurrence. Journal of Agricultural, Biological, and Environmental Statistics 11: 249--263.

Dorazio, R.M., J.A. Royle, B. Soderstrom, and A. Glimskar. 2006. Estimating species richness and accumulation by modeling species occurrence and detectability. Ecology 87: 842--854.

Dorazio, R.M., and F.A. Johnson. 2003. Bayesian inference and decision theory - a framework for decision making in natural resource management. Ecological Applications 13: 556--563.

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My Science Topics


Science Topic
Subtopic
Ecology and Environmentbiodiversity
Ecology and Environmentbiogeography
Ecology and Environmentecological processes
Ecology and Environmentenvironmental assessment
Techniques and Methodscomputational methods
Techniques and Methodsrisk assessment
Techniques and Methodsstatistical analysis


Research Interests

Robert Dorazio is a Research Statistician at the U.S. Geological Survey's Southeast Ecological Science Center. He also holds a Courtesy Associate Professorship in the Department of Statistics at the University of Florida.  His research is motivated primarily by statistical inference problems that arise in the general areas of population dynamics, community ecology, and conservation biology.  In solving these problems he develops and applies novel sampling designs and novel statistical models in quantitative investigations of natural populations or communities of animals (including imperiled or declining species).  He is also interested in developing the theory and practice of adaptive decision making in problems of natural resource management.


Hierarchical Modeling Book (with Andy Royle)

Image of Hierarchical Modeling Book (with Andy Royle)

Published by Academic Press in 2008, this book describes a general and flexible framework for modeling and inference in ecological systems based on hierarchical models, with a strict focus on the use of probability models and parametric inference. Hierarchical models represent a paradigm shift in the application of statistics to ecological inference problems because they combine explicit models of ecological system structure or dynamics with models of how ecological systems are observed. The principles of hierarchical modeling are developed and applied to problems in population, metapopulation, community, and metacommunity systems.

e-book version (available to all USGS employees):  http://www.sciencedirect.com/science/book/9780123740977

Contact Information

Robert Dorazio
7920 NW 71st Street
Gainesville, FL 32653
bob_dorazio@usgs.gov
352-264-3476
352-378-4956 - Fax
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