Research Topics
| Ottar N BjørnstadSummaryAffiliation: Pennsylvania State University Country: USA Publications
| Collaborators
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Detail Information
Publications
The impact of specialized enemies on the dimensionality of host dynamicsO N Bjørnstad
National Center for Ecological Analysis and Synthesis, Santa Barbara, California 93101 3351, USA
Nature 409:1001-6. 2001..Thus, an imprint of the interactions may be discerned within time-series data from component species of a system...
Noisy clockwork: time series analysis of population fluctuations in animalsO N Bjørnstad
Department of Entomology, 501 ASI Building, Penn State University, University Park, PA 16802, USA
Science 293:638-43. 2001..We discuss recent advances in understanding ecological dynamics and testing theory using long-term data and review how dynamical forces interact to generate some central field and laboratory time series...
Waves of larch budmoth outbreaks in the European alpsOttar N Bjørnstad
Departments of Entomology and Biology, 501 ASI Building, Pennsylvania State University, University Park, PA 16802, USA
Science 298:1020-3. 2002..Our study confirms that nonlinear ecological interactions can lead to complex spatial dynamics at a regional scale...
Geographic variation in North American gypsy moth cycles: subharmonics, generalist predators, and spatial couplingOttar N Bjørnstad
Department of Entomology, 501 ASI Building, Pennsylvania State University, University Park, Pennsylvania 16802, USA
Ecology 91:106-18. 2010..e., where the cycle lengths are not integer multiples of one another) cannot...
Evolution and emergence of Bordetella in humansOttar N Bjørnstad
Departments of Entomology and Biology Penn State University, 501 ASI Building, University Park, PA 16803, USA
Trends Microbiol 13:355-9. 2005..The evolutionarily favored strategies of both of the human bordetellae result in immunizing infections and acute epidemics...
Sin Nombre hantavirus decreases survival of male deer miceAngela D Luis
Department of Biology, Center for Infectious Disease Dynamics, The Pennsylvania State University, University Park, PA, USA
Oecologia 169:431-9. 2012....
Imperfect vaccine-induced immunity and whooping cough transmission to infantsJennie Lavine
Department of Biology, 501 ASI Bldg, Penn State University, University Park, PA 16802, USA
Vaccine 29:11-6. 2010..In addition, the data indicate that the B. pertussis vaccine is not protective against disease induced by B. parapertussis...
Natural immune boosting in pertussis dynamics and the potential for long-term vaccine failureJennie S Lavine
Department of Biology, Pennsylvania State University, University Park, PA 16802, USA
Proc Natl Acad Sci U S A 108:7259-64. 2011....
Short-lived immunity against pertussis, age-specific routes of transmission, and the utility of a teenage booster vaccineJennie S Lavine
Center for Infectious Disease Dynamics, 501 ASI Bldg, Penn State University, University Park, PA 16802, USA
Vaccine 30:544-51. 2012..We aim to assess the duration of vaccine-induced immunity, and the possibility for a teenage-booster vaccine to protect infants in Norway...
The effect of seasonality, density and climate on the population dynamics of Montana deer mice, important reservoir hosts for Sin Nombre hantavirusAngela D Luis
Department of Biology, The Pennsylvania State University, University Park, PA 16801, USA
J Anim Ecol 79:462-70. 2010..5. While climatic drivers appear to have a complex influence on dynamics, our forecasts were good. Our quantitative model may allow public health officials to better predict increased human risk from basic climatic data...
Seasonality and comparative dynamics of six childhood infections in pre-vaccination CopenhagenC Jessica E Metcalf
Centre for Infectious Disease Dynamics, The Pennsylvania State University, 208 Mueller Laboratory, University Park, PA 16802, USA
Proc Biol Sci 276:4111-8. 2009..For the three bacterial infections, pertussis, scarlet fever and diphtheria, there is additionally a strong increase in transmission during the late summer before the end of school vacations...
Estimation and inference of R0 of an infectious pathogen by a removal methodMatthew J Ferrari
IGDP in Ecology, 501 ASI Building, The Pennsylvania State University, University Park, PA 16802, USA
Math Biosci 198:14-26. 2005..We illustrate the performance of the estimators on both simulated data and real epidemics. Lastly, we discuss methods to address data collected with observation error...
Network frailty and the geometry of herd immunityMatthew J Ferrari
IGDP in Ecology, 501 ASI Building, Department of Biology, The Pennsylvania State University, University Park, PA 16802, USA
Proc Biol Sci 273:2743-8. 2006..The result is that immunization due to prior epidemics can provide greater community protection than random vaccination on networks with heterogeneous contact patterns, while the reverse is true for highly structured populations...
A gravity model for the spread of a pollinator-borne plant pathogenMatthew J Ferrari
Intercollege Graduate Degree Program in Ecology, Pennsylvania State University, University Park, Pennsylvania 16802, USA
Am Nat 168:294-303. 2006..The results highlight the importance of active vector foraging in generating spatial patterns of disease incidence and for pathogen-mediated selection for floral traits...
Ecology. Vole stranglers and lemming cyclesPeter J Hudson
Department of Biology, Pennsylvania State University, University Park, PA 16802, USA
Science 302:797-8. 2003
Pathogens, social networks, and the paradox of transmission scalingMatthew J Ferrari
Center for Infectious Disease Dynamics, Department of Biology, The Pennsylvania State University, University Park, PA 16802, USA
Interdiscip Perspect Infect Dis 2011:267049. 2011..Network-methodology allows us to reconcile seemingly conflicting patterns of within- and across-population epidemiology...
Stage-structured transmission of phocine distemper virus in the Dutch 2002 outbreakPetra Klepac
Department of Biology, The Pennsylvania State University, University Park, PA 16802, USA
Proc Biol Sci 276:2469-76. 2009..Based on the maximum-likelihood WAIFW matrix estimates, we use the next-generation formalism to calculate an R(0) between 2 and 2.5 for the Dutch 2002 PDV epidemic...
The dynamics of measles in sub-Saharan AfricaMatthew J Ferrari
Center for Infectious Disease Dynamics, The Pennsylvania State University, University Park, Pennsylvania 16802, USA
Nature 451:679-84. 2008..Such erratic dynamics emphasize the importance both of control strategies that address build-up of susceptible individuals and efforts to mitigate the impact of large outbreaks when they occur...
Geographical variation in the spatial synchrony of a forest-defoliating insect: isolation of environmental and spatial driversKyle J Haynes
The Blandy Experimental Farm, University of Virginia, 400 Blandy Farm Lane, Boyce, VA 22620, USA
Proc Biol Sci 280:20122373. 2013..We conclude that precipitation could synchronize gypsy moth populations directly, as in a Moran effect, or indirectly, through effects on oak masting, generalist predators or diseases...
The evolutionary and epidemiological dynamics of the paramyxoviridaeLaura W Pomeroy
Center for Infectious Disease Dynamics, Department of Biology, The Pennsylvania State University, 501 ASI Building, University Park, PA 16802, USA
J Mol Evol 66:98-106. 2008....
