Dr. Richard M. Engeman

Dr. Richard M. Engeman

Dr. Richard Engeman is a biologist and research biometrician at the NWRC working on the monitoring, indexing, and the economics of control for a variety of species. His areas of expertise include statistics, experimental design, population monitoring, distance sampling, and plotless density estimation.

NWRC Research Project: Avian and Invasive Species Population Management

Current Research

  • Feral swine population monitoring, damage estimation, valuation, and disease spread
  • Florida invasive reptiles, especially pythons, iguanas, monitor lizards
  • Gambian giant pouched rat management
  • Population indexing method development
  • Damage estimation research
  • Bioeconomic valuations and analyses
  • Population monitoring for international collaborations
  • Economics of control to protect endangered species



Education

  • Ph.D., University of Colorado Health Sciences Center, Biometrics, Sinusoidal input design for model discrimination and parameter estimation
  • M.S., Colorado State University, Statistics, Generalized least squares and two-step estimators of the parameters of the Weibull distribution
  • B.S., Colorado State University, Mathematics


International Experience

  • Australia (population monitoring, invasive species, population estimation, damage estimation)
  • New Zealand (population indexing methods for brush-tailed possum)
  • Germany (population indexing)
  • Mexico (rodents, rabies baiting)
  • Morocco (ecotoxicology of insecticides)
  • Puerto Rico (invasive species, Puerto Rican parrot, rabies, monkey damage)
  • Guam (brown treesnakes)
  • Haiti (animal damage to crops)
  • Ethiopia (indexing wildlife)


Contact Information


Recent Publications

2016

Engeman, R.M., S.L. Orzell, R.K. Felix, E.A. Tillman, G. Killian, and M.L. Avery. 2016. Feral swine damage to globally imperiled wetland plant communities in a significant biodiversity hotspot in Florida. Biodiversity Conservation 25(10):1879-1898.  doi: 10.1007/210531-016-1166-y   

Engeman, R.M., Contributor. 2016. Puerto Rican Amazon parrot Amazona vittata. BirdLife International species factsheet. www.birdlife.org  

Engeman, R.M. and M.L. Avery. 2016. Prioritizing management and research actions against invasive reptiles in Florida: A collaboration by an expert panel. Herp Alliance and USDA/WS/National Wildlife Research Center, Fort Collins, CO.  

Engeman, R.M., R.A. Baldwin, and D.I. Stetson. 2016. Guiding the management of an agricultural pest: Indexing abundance of California meadow voles in artichoke fields. Crop Protection 88:53-57.  doi: 10.1016/j.cropro.2016.05.013  

Engeman, R.M., W.E. Meshaka Jr., R. Severson, M.A.Severson, G. Kaufman, N.P. Groninger, and H.T. Smith. 2016. Monitoring cryptic amphibians and reptiles in a Florida state park.  Enviromental Science and Pollution Research 23:7032-7037.  doi: 10.1007/s11356-015-6028-8  

Engeman, R.M., D. Addison, and J.C. Griffin. 2016. Defending against disparate marine turtle nest predators: nesting success benefits from eradicating invasive feral swine and caging nests from raccoons. Oryx 50(2):289-295.  doi: 10.1017/S0030605324000805  

Engeman, R., R. Cattaruzza, M. Cattaruzza, and J. Fischer. 2016. Photographic estimation of wild boar damage to alpine grazing pastures in the Carpathian Mountains of central Romania. Environmental Science and Pollution Research 23(5):4949-4952.   doi: 10.1007/s11356-016-6051-4      

Shulman, B., B.D. Wagner, G.K. Grunwald, and R.M. Engeman. 2016. Evaluation of estimation quality of a general paradigm for indexing animal abundance when observations are counts. Ecological Informatics 32:194-201.  doi: XX10.1016/j.ecoinf.2016.02.004  

Bloomquist, M.L., Hartman, J.W., C.K. Pullins, T.G. Guerrant, S.F. Beckerman, and R.M. Engeman. 2016. Report to the Chicago Park District on conflicts with Ring-billed gulls and the 2015 Integrated Ring-billed Gull Damage Management Project. USDA, Wildlife Services. 30 p.   

2015

Jones, K.C., B.K. Rincon, T.A. Gorman, C.A. Haas, and R.M. Engeman. 2015. Multi-trophic level feeding interactions among two native and two non-native species: Implications for the endangered Reticulated Flatwoods Salamander (Ambystoma bishopi). Collinsorum 4(3):6-7.  

Carlson, J.C., D.R. Hyatt, J.W. Ellis, D.R. Pipkin, A.M. Mangan, M. Russell, D.S. Bolte, R.M. Engeman, T.J. Deliberto, and G.M. Linz.  2015. Selected highlights from other journals: Mechanical transmission of antimicrobial-resistant Salmonella enterica by starlings to livestock feeding systems. Veterinary Record: 177(13): 341.   doi: 10.1136/vr.h5182

Carlson, J.C., D.R. Hyatt, J.W. Ellis, D.R. Pipkin, A.M. Mangan, M. Russell, D.S. Bolte, R.M. Engeman, T.J. DeLiberto, and G.M. Linz. 2015. Mechanisms of antimicrobial resistant Salmonella enterica transmission associated with starling-livestock interactions. Veterinary Microbiology 179:60-68.  doi: 10.1016/j.vetmic.2015.04.009

Campbell, D.L., R.M. Engeman, and J.P. Farley. 2015. Effects of mountain beaver management and thinning on 15-year-old Douglas fir growth and survival. Environmental Science and Pollution Research 22(14):10824-10829.   doi: 10.1007/s11356-015-4297-x

Engeman, R.M. and C.J. Engeman. 2015. Leptodeira septentrionalis (Northern cat-eyed snake). Diet and predation. Herpetological Review 46(1):104-105.

Allen, L.R. and R.M. Engeman. 2015. Evaluating and validating abundance monitoring methods in the absence of populations of known size: review and application to a passive tracking index. Environmental Science Pollution Research 22:2907-2915. doi: 10.1007/s11356-014-3567-3.

2014

Quinn, N., D.H. Davis, R.M. Engeman, and R.A. Baldwin. 2014. Efficacy of rodenticides for Roof Rat and Deer Mouse control in orchards. Proceedings of the 26th Vertebrate Pest Conference 26:196-197. 

Bloomquist, M.L., J.W. Hartmann, T.G. Guerrant, S.F. Beckerman, and R.M. Engeman. 2014.  Report to Chicago Park District on conflicts with ring-billed gulls and the 2014 Integrated Ring-Billed Gull Damage Management Project. USDA, Wildlife Services. 30 p.

Avery, M.L., E.A. Tillman, C. Spurfeld, R.M. Engeman, K.P. Maciejewski, J.D. Brown, and E.A. Fetzer. 2014. Invasive black spiny-tailed iguanas (Ctenosaura similis) on Gasparilla Island, Florida, USA. Integrative Zoology 9:590-597.  doi: 10.1111/1749-4877.12085.

Allen, B.L., L.R. Allen, R.M. Engeman, and L.K-P. Leung. 2014. Sympatric prey responses to lethal top-predator control: predator manipulation experiments. Frontiers in Zoology 11:56.  doi: 10.1186/s12983-014-0056-y.

Allen, B.L., G. Lundie-Jenkins, N.D. Burrows, R.M. Engeman, P.J.S. Fleming, and L.K.-P. Leung. 2014. Does lethal control of top-predators release mesopredators?  A re-evaluation of three Australian case studies. Ecological Management & Restoration 15(3):191-195.  doi: 10.1111/emr.12118.

Engeman, R., M.L. Avery, and E. Jacobson. 2014. Weighing empirical and hypothetical evidence for assessing potential invasive species range limits: a review of the case of Burmese pythons in the USA. Environmental Science and Pollution Research 21(20):11973-11978.  doi: 10.1007/s11356-014-3173-4.

Felix, Jr., R.K., S.L. Orzell, E.A. Tillman, R.M. Engeman, and M.L. Avery. 2014. Fine-scale, spatial and temporal assessment methods for feral swine disturbances to sensitive plant communities in south-central Florida. Environmental Science and Pollution Research 21(17):10399-10406. doi: 10.1007/s11356-014-2956-y.

Engeman, R., T. Hershberger, S. Orzell, R. Felix, G. Killian, J. Woolard, J. Cornman, D. Romano, C. Huddleston, P. Zimmerman, C. Barre, E. Tillman, and M. Avery. 2014. Impacts from control operations on a recreationally hunted feral swine population at a large military installation in Florida. Environmental Science and Pollution Research 21(12):7689-7697. doi 10.1007/s11356-014-2727-9.

Engeman, R.M. and C.J. Wiloth. 2014. Anthropogenic conditioning of Gray Jays to a nutritious, seasonal aquatic food source. Colorado Birds 48(3):227-229.

Baldwin, R.A., N. Quinn, D.H. Davis, and R.M. Engeman. 2014. Effectiveness of rodenticides for managing invasive roof rats and native deer mice in orchards.  Environmental Science and Pollution Research 21(9): 5795-5802.  doi: 10.1007/s11356-014-2525-4.

Engeman, R.M., T. Guerrant, G. Dunn, S.F. Beckerman, C. Anchor. 2014. Benefits to rare plants and highway safety from annual population reductions of a "native invader," white-tailed deer, in a Chicago-area woodland. Environmental Science and Pollution Research 21(2): 1592-1597. doi: 10.1007/s11356-013-2056-4.

Piaggio, A.J., R.M. Engeman, M.W. Hopken, J.S. Humphrey, K.L. Keacher, W.E. Bruce, and M.L. Avery. 2014. Detecting an elusive invasive species: a diagnostic PCR to detect Burmese python in Florida waters and an assessment of persistence of environmental DNA. Molecular Ecology Resources, 14: 374–380. doi: 10.1111/1755-0998.12180.

Allen, B.L., R.M. Engeman, and L.K-P. Leung. 2014. The short-term effects of a routine poisoning campaign on the movements and detectability of a social top-predator. Environmental Science and Pollution Research 21: 2178-2190. doi 10.1007/s11356-013-2118-7.

Engeman, R., T. Hershberger, S. Orzell, R. Felix, G. Killian, J. Woolard, J. Cornman, D. Romano, C. Huddleston, P. Zimmerman, C. Barre, E. Tillman, M. Avery. 2014. Impacts from control operations on a recreationally hunted feral swine population at a large military installation in Florida. Environmental Science and Pollution Research. Online. doi 10.1007/s11356-014-2727-9.

Berentsen, A.R., W.C. Pitt, J.D. Eisemann, R.M. Engeman. 2014. Longevity of rodenticide bait pellets in a tropical environment following a rat eradication program. Environmental Science and Pollution Research 21(3): 2283-2288. doi 10.1007/s11356-013-2148-1.

2013

Hartmann, J.W., T.G. Guerrant, S.F. Beckerman, R.M. Engeman, and T.W. Seamans. 2013. Report to the Chicago Park District on conflicts with Ring-billed gulls and the 2013 Integrated Ring-billed Gull Damage Management Project. USDA, Wildlife Services. 29 p.

Ramey, C. A., K. W. Mills, J. W. Fischer, R. G. McLean, K.A. Fagerstone, and R. M. Engeman. 2013. Graphically characterizing the movement of a rabid striped skunk epizootic across the landscape in northwestern Wyoming. EcoHealth 10(3):246-256. doi: 10.1007/s10393-013-0853-3.

Allen B.L., Fleming P.J.S., Allen L.R., Engeman R.M.E., Ballard G., Leung L.K.P. 2013. As clear as mud: A critical review of evidence for the ecological roles of Australian dingoes. Biological Conservation 159:158-174. DOI: http://dx.doi.org/10.1016/j.biocon.2012.12.004.

Allen, B.L., L.R. Allen, R.M. Engeman, and L.K-P. Leung. 2013. Intraguild relationships between sympatric predators exposed to lethal control: predator manipulation experiments. Frontiers in Zoology 10:39. http://www.frontiersinzoology.com/content/10/1/39

Baldwin R.A., Marcum D.B., Orloff S.B., Vasquez S.J., Wilen C.A.W., Engeman R.M. 2013. The influence of trap type and cover status on capture rates of pocket gophers in California. Crop Protection 46: 7-12.

Engeman, R.M., K.J. Couturier, R.K. Felix Jr., and M.L. Avery. 2013. Feral swine disturbance at important archaeological sites. Environmental Science and Pollution Research. 20:4093-4098. DOI: 10.1007/s11356-012-1367-1

Engeman, R.M., W.C. Pitt, A.R. Berentsen and J.D. Eisemann. 2013. Assessing spatial variation and overall density of aerially broadcast toxic bait during a rat eradication on Palmyra Atoll. Environmental Science and Pollution Research Institute. 20:480–487. DOI 10.1007/s11356-012-1050-6.

Engeman, R.M., G. Massei, M. Sage, and M.N. Gentle. 2013. Monitoring wild pig populations : a review of methods. Environmental Science and Pollution Research 20(11): 8077-8091. doi 10.1007/s11356-013-2002-5.

Hartmann, J.W., S.F. Beckerman, T.W. Seamans, R.M. Engeman, and S. Beazley. 2013. Report to the City of Chicago on conflicts with ring-billed gulls and the 2012 integrated ring-billed gull damage management project. Chicago, USDA, Wildlife Services

Thomas, J.F., R.M. Engeman, E.A. Tillman, J.W. Fischer, S.L. Orzell, D.H. Glueck, R.K. Felix, and M.L. Avery. 2013. Optimizing line intercept sampling and estimation for feral swine damage levels in ecologically sensitive wetland plant communities. Environmental Science and Pollution Research 20:1503-1510. DOI 10.1007/s11356-012-1004-z.

Mathies, T., B. Levine, R. Engeman, and J.A. Savidge. 2013. Pheromonal control of the invasive brown treesnake: potency of female sexual attractiveness pheromone varies with ovarian state. International Journal of Pest Management, 59:2, 141-149. doi: 10.1080/09670874.2013.784374
 

 

Complementary Content
${loading}