Seasonality, stochasticity and the dynamics of measles in sub-Saharan Africa

Ferrari, M.J., Grais, R.F., Conlan, A.J.K., Bharti, N., Bjornstad, O.N., Wolfson, L.J., Guerin, P.J., Djibo, A. and Grenfell, B.T. 2008. Seasonality, stochasticity and the dynamics of measles in sub-Saharan Africa.

Allee effects and pulsed invasion by the gypsy moth

D.M. Johnson, A.M. Liebhold, P.C. Tobin and O.N. Bjørnstad: Allee effects and pulsed invasion by the gypsy moth

Geographical variation in the periodicity of gypsy moth outbreaks

D.M. Johnson, A.M. Liebhold & O.N. Bjørnstad: Geographical variation in the periodicity of gypsy moth outbreaks

Landscape mosaic induces traveling waves of insect outbreaks

D.M. Johnson, O.N. Bjørnstad & A.M. Liebhold: Landscape mosaic induces traveling waves of insect outbreaks

A resource depletion model of forest insect outbreaks

B. Okland and O.N. Bjørnstad: A resource depletion model of forest insect outbreaks

Circumpolar variation in periodicity and synchrony among gypsy moth populations.

D.M. Johnson, A.M. Liebhold, O.N. Bjørnstad and M.L. McManus: Circumpolar variation in periodicity and synchrony among gypsy moth populations

Trends and cohort resonant effects in age-structured populations

O.N. Bjørnstad, R.M. Nisbet, and J.-M. Fromentin: Trends and cohort resonant effects in age-structured populations

Landscape geometry and traveling waves in the larch budmoth

D.M. Johnson, O.N. Bjørnstad & A.M. Liebhold: Landscape geometry and travelling waves in the larch budmoth.

Measles metapopulation dynamics: a gravity model for pre-vaccination epidemiological coupling and dynamics

Y. Xia, O. N.Bjørnstad and B. T. Grenfell: Measles metapopulation dynamics: a gravity model for pre-vaccination epidemiological coupling and dynamics.

Waves of larch budmoth outbreaks in the European alps

O.N. Bjørnstad, M. Peltonen, A.M. Liebhold & W. Baltensweiler: Waves of larch budmoth outbreaks in the European alps.

The impact of specialised enemies on the dimensionality of host dynamics

O.N. Bjørnstad Steven M. Sait, Nils Chr. Stenseth, David J. Thompson and Michael Begon: The impact of specialised enemies on the dimensionality of host dynamics.

Travelling waves and spatial hierarchies in measles epidemics

Grenfell, B.T., Bjørnstad, O.N., & Kappey, J. (2001) Travelling waves and spatial hierarchies in measles epidemics.

Surplus Code

My involvement with S-plus software development ended in 2002 because of the superior capabilities, documentation, and packaging utilities of R. As of 2003, I no longer maintain any S-plus resources.

Endemic and epidemic dynamics of measles. I. estimating transmission rates and their scaling using a time series SIR model

O.N. Bjørnstad, B.F. Finkenstadt & B.T. Grenfell

Endemic and epidemic dynamics of measles: Scaling predictability, noise and determinism with the time series SIR model.

B.T. Grenfell, O.N. Bjørnstad & B.F. Finkenstadt: Endemic and epidemic dynamics of measles. II. Scaling noise, determinism and predictability with the time series SIR model

Cycles and synchrony: two historical ‘experiments’ and one experience

O.N. Bjørnstad: Cycles and synchrony - two historical ‘experiments’ and an experience

Predicting the local dynamics of epizootic rabies among raccoons in the United States

J.E. Childs, A.T. Curns, M.E. Dey, L.A. Real, L. Feinstein, O.N. Bjørnstad and J.W. Krebs: Predicting the local dynamics of epizootic rabies among raccoons in the United States

Cycles and trends in cod population

O.N. Bjørnstad, J.-M. Fromentin, N.C. Stenseth, J. Gjøsæter: Cycles and trends in cod populations

Dynamics of coastal cod populations: intra- and inter-cohort density-dependence and stochastic processes

N.C. Stenseth, O.N. Bjørnstad, W. Falck, J.-M. Fromentin, J. Gjøsæter & J. S. Gray: Dynamics of coastal cod populations: intra- and inter-cohort density-dependence and stochastic processes

Population dynamics of the Indian meal moth: demographic stochasticity and delayed regulatory mechanisms

O.N. Bjørnstad, M. Begon, N.C. Stenseth, W. Falck, S.M. Sait and D.J. Thompson: Population dynamics of the Indian meal moth - demographic stochasticity and delayed regulatory mechanisms.

Mapping regional transitions in dynamics of Clethrionomys rufocanus: spectral densities and functional analysis

O.N. Bjørnstad, N.C. Stenseth, T. Saitoh and O.C. Lingjærde: Mapping the regional transition to cyclicity in Clethrionomys rufocanus - spectral densities and functional data analysis

Seasonal Forcing on the Dynamics of Clethrionomys rufocanus: Modeling the Geographic Gradient in Population Dynamics

N.C. Stenseth, O.N. Bjørnstad and T. Saitoh: Seasonal forcing on the dynamics of Clethrionomys rufocanus - modeling geographic gradients in population dynamics

The macroecology of population dynamics: animal population cycles in the Northern hemisphere

B.E. Kendall, J. Prendergast, and O.N. Bjørnstad: The macroecology of population dynamics - taxonomic and biogeographic patterns in population cycles

From pattern to process: phase- and density-dependence in the canadian lynx cycle

N.C. Stenseth, W. Falck, K.-C. Chan, O.N. Bjørnstad, H. Tong, M. O'Donoghue, R. Boonstra, S. Boutin, C.J. Krebs and N.G. Yoccoz: From pattern to process - phase- and density-dependence in the canadian lynx cycle

Population regulation in snowshoe hare and lynx populations: asymmetric food web configurations between the snowshoe hare and the lynx

N.C. Stenseth, W. Falck, O.N. Bjørnstad and C.J. Krebs: Population regulation in snowshoe hare and canadian lynx - asymmetric food web configurations between hare and lynx.

Cyclicity and stability of grey-sided voles, Clethrionomys rufocanus, of Hokkaido: spectral and Principal components analyses

O.N. Bjørnstad, S. Champely, N.C. Stenseth and T. Saitoh: Cyclicity and stability of grey-sided voles, Clethrionomys rufocanus, of Hokkaido - spectral and principal components analyses

Is spacing behaviour coupled with predation causing the microtine density cycle? A synthesis of current process-oriented and pattern-oriented studies

N.C. Stenseth, O.N. Bjørnstad and W. Falck: Is spacing behaviour coupled with predation causing the microtine density cycle? A synthesis emerging from combining process-oriented and pattern-oriented studies.

A gradient from stable to cyclic populations of Clethrionomys rufocanus in Hokkaido, Japan

N.C. Stenseth, O.N. Bjørnstad, T. Saitoh: A gradient from stable to cyclic populations of Clethrionomys rufocanus in Hokkaido, Japan

A geographic gradient in small rodent density fluctuations: a statistical modelling approach

O.N. Bjørnstad, W. Falck and N.C. Stenseth: A geographic gradient in small rodent density fluctuations - a statistical modelling approach

Bootstrap estimated uncertainty of the dominant Lyapunov exponent for Holarctic microtine rodents

W. Falck, O.N. Bjørnstad and N.C. Stenseth: Bootstrap estimated uncertainty of the dominant Lyapunov exponent for Holarctic microtine rodents

Voles and lemmings - chaos and uncertainty in fluctuating populations

W. Falck, O.N. Bjørnstad and N.C. Stenseth: Voles and lemmings - chaos and uncertainty in fluctuating populations

A resource budget model to explain intraspecific variation in mast reproductive dynamics

Satake, A. and Bjørnstad, O.N. 2008. A resource budget model to explain intraspecific variation in mast reproductive dynamics.

Detecting spatial structures and interactions in the ragweed (Ambrosia artemissifolia L.) and the ragweed beetle (Ophraella communa LeSage) populations

Yamanaka, T., Tanaka, K. Otuka, A. and Bjørnstad, O.N. 2007. Detecting spatial structures and interactions in the ragweed (Ambrosia artemissifolia L.) and the ragweed beetle (Ophraella communa LeSage) populations.

Invasion speed is affected by geographic variation in the strength of Allee effects

P.C. Tobin , S.L. Whitmire, D.M. Johnson, O.N. Bjørnstad and A.M. Liebhold: Invasion speed is affected by geographical variation in the strength of Allee effects

A gravity model for the spread of a pollinator-borne plant pathogen

M. Ferrari, O.N. Bjørnstad, J.L. Partain and J. Antonovics: A gravity model for the spread of a pollinator-borne plant pathogen

Synchrony, waves and spatial hierarchies in the spread of influenza

C. Viboud, O.N. Bjørnstad, D.L. Smith, L. Simonsen, M.A. Miller and B.T. Grenfell. Synchrony, waves and spatial hierarchies in the spread of influenza.

Geographic variation in density-dependent dynamics impacts the synchronizing effect of dispersal and regional stochasticity

A.M. Liebhold, D.M. Johnson & O.N. Bjørnstad: Geographic variation in density-dependent dynamics impacts the synchronizing effect of dispersal and regional stochasticity.

Landscape mosaic induces traveling waves of insect outbreaks

D.M. Johnson, O.N. Bjørnstad & A.M. Liebhold: Landscape mosaic induces traveling waves of insect outbreaks

Roles of dispersal, stochasticity, and nonlinear dynamics in the spatial structuring of seasonal natural enemy-victim populations

P. C. Tobin & O.N. Bjørnstad: Roles of dispersal, stochasticity, and nonlinear dynamics in the spatial structuring of seasonal natural enemy-victim populations

Are bark beetle outbreaks less synchronous than forest Lepidoptera outbreaks?

B. Okland, A.M. Liebhold, O.N. Bjørnstad, N. Erbilgin, P. Krokene: Are bark beetle outbreaks less synchronous than forest Lepidoptera outbreaks?

Anthropogenic forcing on the spatial dynamics of an agricultural weed: the case of the common sunflower

R. Humston, D.A. Mortensen and O.N. Bjørnstad: Anthropogenic forcing on the spatial dynamics of an agricultural weed: the case of the common sunflower.

Circumpolar variation in periodicity and synchrony among gypsy moth populations

D.M. Johnson, A.M. Liebhold, O.N. Bjørnstad and M.L. McManus: Circumpolar variation in periodicity and synchrony among gypsy moth populations

The spatial signature of environmental heterogeneity, dispersal, and competition in successional grasslands

E.W. Seabloom, O.N. Bjørnstad, B.M. Bolker & O.J. Reichman: The spatial signature of environmental heterogeneity, dispersal, and competition in successional grasslands

Spatio-temporal distribution of falciparum and vivax malaria in Thailand

G. Zhou, J. Sirichaisinthop, J. Sattabongkot, J. Jones, O.N. Bjørnstad, G. Yan and L. Cui: Spatio-temporal distribution of falciparum and vivax malaria in Thailand

Landscape geometry and travelling waves in the larch budmoth

D.M. Johnson, O.N. Bjørnstad & A.M. Liebhold: Landscape geometry and travelling waves in the larch budmoth.

Spatial synchrony in population dynamics

A. Liebhold, D. K. Walter and O. N. Bjørnstad: Spatial synchrony in population dynamics.

Measles metapopulation dynamics: a gravity model for pre-vaccination epidemiological coupling and dynamics

Y. Xia, O. N.Bjørnstad and B. T. Grenfell: Measles metapopulation dynamics: a gravity model for pre-vaccination epidemiological coupling and dynamics.

Masting and trophic cascades: interplay between rowan trees, apple fruit moth, and their parasitoid in southern Norway

A. Satake, O.N. Bjørnstad and S. Kobro: Masting and trophic cascades: interplay between rowan trees, apple fruit moth, and their parasitoid in southern Norway

Spatial Dynamics of Seed Predators on Synchronized and Intermittent Seed Production of Host Plants

A. Satake and O.N. Bjørnstad: Spatial Dynamics of Seed Predators on Synchronized and Intermittent Seed Production of Host Plants

Within-population spatial synchrony in mast seeding of North American oaks

A. Liebhold, V. Sork, M. Peltonen, W. Koenig, O.N. Bjørnstad, R. Westfall, J. Elkinton and J.M.H. Knops: Within-population spatial synchrony in mast seeding of North American oaks

Spatial dynamics and cross-correlation in a transient predator-prey system

P. C. Tobin & O.N. Bjørnstad: Spatial dynamics and cross-correlation in a transient predator-prey system

Spatial dynamics and cross-correlation in a transient predator-prey system
Snow tussocks, chaos and the evolution of mast seeding.

M. Rees, D. Kelly & O.N. Bjørnstad: Snow tussocks, chaos and the evolution of mast seeding.

Spatial Synchrony in Forest Insect Outbreaks: Roles of Regional Stochasticity and Dispersal

Peltonen, M., A.M. Liebhold, O.N. Bjørnstad and D.W. Williams: Spatial Synchrony in Forest Insect Outbreaks: Roles of Regional Stochasticity and Dispersal.

Synchrony and second order spatial correlation in host-parasitoid systems

O.N. Bjørnstad and J. Bascompte: Synchrony and second order spatial correlation in host-parasitoid systems

Travelling waves and spatial hierarchies in measles epidemics

B.T. Grenfell, O.N. Bjørnstad & J. Kappey: Travelling waves and spatial hierarchies in measles epidemics.

Canonical functions for dispersal-induced synchrony

O.N. Bjørnstad and B. Bolker: Canonical functions for dispersal-induced synchrony.

Ecological interactions, environmental correlation and spatial synchrony

B.E. Kendall, O.N. Bjørnstad, J. Bascompte, T.H. Keitt and W.F. Fagan: Ecological interactions, environmental correlation and spatial synchrony.

Spatial population dynamics: Analyzing patterns and processes of population synchrony

O.N. Bjørnstad R.A. Ims and X. Lambin: Spatial population dynamics: Analyzing patterns and processes of population synchrony

Synchrony and scaling in dynamics of voles and mice in northern Japan

O.N. Bjørnstad, N.C. Stenseth and T. Saitoh: Synchrony and scaling in dynamics of voles and mice in northern Japan

Limit cycles in Norwegian lemmings - Tensions between phase-dependence and density-dependence

E. Framstad, N.C. Stenseth, O.N. Bjørnstad & W. Falck: Limit cycles in Norwegian lemmings - Tensions between phase-dependence and density-dependence

Seasonality, cohort-dependence and the development of immunity in a natural host-nematode system

Cornell, S.J., Bjornstad, O.N., Cattadori, I.M., Boag, B. and Hudson, P.J. 2008. Seasonality, cohort-dependence and the development of immunity in a natural host-nematode system.

Peak shift and epidemiology in a seasonal host-nematode system

I.M. Cattadori, B. Boag, O.N. Bjørnstad, S.J. Cornell & P.J. Hudson: Peak shift and epidemiology in a seasonal host-nematode system

Trends and cohort resonant effects in age-structured populations

O.N. Bjørnstad, R.M. Nisbet, and J.-M. Fromentin: Trends and cohort resonant effects in age-structured populations

The impact of specialised enemies on the dimensionality of host dynamics

O.N. Bjørnstad Steven M. Sait, Nils Chr. Stenseth, David J. Thompson and Michael Begon: The impact of specialised enemies on the dimensionality of host dynamics.

Effects of density-dependent and stochastic processes on the regulation of cod populations

J.-M. Fromentin, Ransom A. Myers, O.N. Bjørnstad, Nils Chr. Stenseth, Jakob Gjøsæter & Hartvig Christie: Effects of density-dependent and stochastic processes on the regulation of cod populations

A new test for density-dependent survival - the case of coastal cod populations

O.N. Bjørnstad, J.-M. Fromentin, N.C. Stenseth and J. Gjøsæter: A new test for density-dependent survival - the case of coastal cod populations

The evolutionary and epidemiological dynamics of the Paramyxoviridae

Pomeroy, L.W., Bjornstad, O.N. and Holmes, E.C. 2008. The evolutionary and epidemiological dynamics of the Paramyxoviridae.

Time is of the essence: Exploring a measles outbreak response vaccination in Niamey, Niger

Grais, R.F., Conlan, A.J.K., Ferrari, M.J., Djibo, A., Le Menach, A., Bjørnstad, O.N. and Grenfell, B.T., 2008. Time is of the essence: Exploring a measles outbreak response vaccination in Niamey, Niger.

O-antigen enables Bordetella parapertussis to avoid Bordetella pertussis-Induced Immunity

Wolfe, D.N., Goebel, E.M., Bjornstad, O.N., Restif, O. and Harvill, E.T. 2007. O-antigen enables Bordetella parapertussis to avoid Bordetella pertussis-Induced Immunity.

Transmission consequences of coinfection: cytokines writ large?

Graham, A.L., Cattadori, I.M., Lloyd-Smith, J.O, Ferrari, M.J. and Bjørnstad, O.N. 2007. Transmission consequences of coinfection: cytokines writ large?

Air Travel and the Spread of Influenza: Important Caveats

Viboud, C., Miller, M.A., Grenfell, B.T., Bjørnstad, O.N. and Simonsen, L. Air Travel and the Spread of Influenza: Important Caveats.

Synchrony, waves and spatial hierarchies in the spread of influenza

R.F. Grais, M.J. Ferrari, C. Dubray, O.N. Bjørnstad, B.T. Grenfell, A. Djibo, F. Fermon, P.J. Guerin. Synchrony, waves and spatial hierarchies in the spread of influenza.

Network frailty and the geometry of herd immunity

M. Ferrari, S. Bansal, L.A. Myers and O.N. Bjørnstad: Network frailty and the geometry of herd immunity

Banavar: Simplifying biological complexity

B.T. Grenfell, C.S. Williams, O.N. Bjørnstad & J.R. Banavar: Simplifying biological complexity

Harvill: Pertussis toxin inhibits neutrophil recruitment to delay antibody-mediated clearance of Bordetella pertussis

G.S. Kirimanjeswara, L.M. Agosto, M.J. Kennett, O.N. Bjørnstad and E.T. Harvill: Pertussis toxin inhibits neutrophil recruitment to delay antibody-mediated clearance of Bordetella pertussis

Estimation and inference of R0 of an infectious pathogen by a removal method

M. Ferrari, O. N. Bjørnstad and A. P. Dobson: Estimation and inference of R0 of an infectious pathogen by a removal method.

Evolution and emergence of Bordetella in humans

O.N. Bjørnstad and E.T. Harvill: Evolution and emergence of Bordetella in humans

Endemic and epidemic dynamics of measles. I. estimating transmission rates and their scaling using a time series SIR model

O.N. Bjørnstad, B.F. Finkenstadt & B.T. Grenfell: Endemic and epidemic dynamics of measles. I. estimating transmission rates and their scaling using a time series SIR model

Endemic and epidemic dynamics of measles. II. Scaling noise, determinism and predictability with the time series SIR model

B.T. Grenfell, O.N. Bjørnstad & B.F. Finkenstadt: Endemic and epidemic dynamics of measles. II. Scaling noise, determinism and predictability with the time series SIR model

A stochastic model for extinction and recurrence of epidemics: estimation and inference for measles outbreaks

B. F. Finkenstädt, O.N. Bjørnstad and B. T. Grenfell: A stochastic model for extinction and recurrence of epidemics: estimation and inference for measles outbreaks

Chapter 2: Heterogeneities in macroparasite infections -- patterns and processes

K. Wilson, O.N. Bjørnstad, A.P. Dobson, S. Merler, G. Poglayen, S.E. Randolph, A.F. Read and A. Skorping (2001) Chapter 2: Heterogeneities in macroparasite infections -- patterns and processes

Chapter 9: Visions for future research in wildlife epidemiology

B.T. Grenfell, W. Amos, P. Arneberg, O.N. Bjørnstad, J.V. Greenman, J. Harwood, P. Lanfranchi, A.R. McLean, R.A. Norman, A.F. Read and A. Skorping (2001) Chapter 9: Visions for future research in wildlife epidemiology.

Nonparametric spatial covariance functions: estimation and testing

O.N. Bjørnstad and W. Falck: Nonparametric spatial covariance functions: estimation and testing

The spatial structure of the gene pool of a viviparous population of Poa alpina - environmental controls and spatial constraints

O.N. Bjørnstad, A. Iversen and M. Hansen: The spatial structure of the gene pool of a viviparous population of Poa alpina - environmental controls and spatial constraints

Geographic variation in North American gypsy moth cycles: subharmonics, generalist predators, and spatial coupling

PDF document, 1.9 MB

Natural immune boosting in pertussis dynamics and the potential for long-term vaccine failure

PDF document, 950.0 KB

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Natural immune boosting in pertussis dynamics and the potential for long-term vaccine failure

PDF document, 627.0 KB

Supporting Information

Generation Separation in Simple Structured Life Cycles: Models and 48 Years of Field Data on a Tea Tortrix Moth

PDF document, 1.0 MB

Appendix A from T. Yamanaka et al., “Generation Separation in Simple Structured Life Cycles: Models and 48 Years of Field Data on a Tea Tortrix Moth”

PDF document, 3.8 MB

Immune Boosting Explains Regime-Shifts in Prevaccine- Era Pertussis Dynamics

PDF document, 1.4 MB

Immune Boosting Explains Regime-Shifts in Prevaccine- Era Pertussis Dynamics - Supplementary Information

PDF document, 1.9 MB

Recurrent Insect Outbreaks Caused by Temperature-Driven Changes in System Stability

PDF document, 1.5 MB

Supplementary Materials for Recurrent Insect Outbreaks Caused by Temperature-Driven Changes in System Stability

PDF document, 1.9 MB

Slow spread of the aggressive invader, Microstegium vimineum (Japanese stiltgrass)

PDF document, 648.6 KB

Coexistence patterns of two invasive thistle species, Carduus nutans and C. acanthoides, at three spatial scales

PDF document, 615.1 KB

Geographical variation in the spatial synchrony of a forest-defoliating insect: isolation of environmental and spatial drivers

PDF document, 790.2 KB

Persistence in Epidemic Metapopulations: Quantifying the Rescue Effects for Measles, Mumps, Rubella and Whooping Cough

PDF document, 664.7 KB

Stage-structured transmission of phocine distemper virus in the Dutch 2002 outbreak

PDF document, 292.8 KB

Episodic outbreaks bias estimates of age-specific force of infection: a corrected method using measles as an example

PDF document, 311.2 KB

ferrari et al 2010 supplement

PDF document, 534.4 KB

Generation Separation in Simple Structured Life Cycles: Models and 48 Years of Field Data on a Tea Tortrix Moth.

PDF document, 1.0 MB

Appendix A from T. Yamanaka et al., “Generation Separation in Simple Structured Life Cycles: Models and 48 Years of Field Data on a Tea Tortrix Moth”

PDF document, 3.8 MB

Short-lived immunity against pertussis, age-specific routes of transmission, and the utility of a teenage booster vaccine

PDF document, 431.9 KB

Supplementary figures for: Short-lived immunity against pertussis, age-specific routes of transmission, and the utility of a teenage booster vaccine

PDF document, 163.1 KB

Structured models of infectious disease: Inference with discrete data

PDF document, 1.1 MB

Recurrent Insect Outbreaks Caused by Temperature-Driven Changes in System Stability

PDF document, 1.5 MB

Supplementary Materials for Recurrent Insect Outbreaks Caused by Temperature-Driven Changes in System Stability

PDF document, 1.9 MB

The effect of seasonality, density and climate on the population dynamics of Montana deer mice, important reservoir hosts for Sin Nombre hantavirus

PDF document, 238.8 KB

Angela D. Luis, Richard J. Douglass, James N. Mills and Ottar N. Bjørnstad

Settlement in empty versus occupied habitats: an experimental study on bank voles

PDF document, 242.5 KB

Petter Glorvigen • Ottar N. Bjørnstad • Harry P. Andreassen • Rolf A. Ims

Sin Nombre hantavirus decreases survival of male deer mice

PDF document, 339.4 KB

Angela D. Luis, Richard J. Douglass, Peter J. Hudson, James N. Mills, Ottar N. Bjørnstad

Geographic variation in North American gypsy moth cycles: subharmonics, generalist predators, and spatial coupling

PDF document, 1.9 MB

OTTAR N. BJØRNSTAD, CHRISTELLE ROBINET, AND ANDREW M. LIEBHOLD

Partitioning Regulatory Mechanisms of Within-Host Malaria Dynamics Using the Effective Propagation Number

PDF document, 768.8 KB

Metcalf, et al.

Supporting Online Material for Partitioning Regulatory Mechanisms of Within-Host Malaria Dynamics Using the Effective Propagation Number

PDF document, 1.3 MB

Persistence in Epidemic Metapopulations: Quantifying the Rescue Effects for Measles, Mumps, Rubella and Whooping Cough

PDF document, 664.7 KB

C. Jessica E. Metcalf, Katie Hampson, Andrew J. Tatem, Bryan T. Grenfell, Ottar N. Bjørnstad

Implications of spatially heterogeneous vaccination coverage for the risk of congenital rubella syndrome in South Africa

PDF document, 834.7 KB

C. J. E. Metcalf, C. Cohen, J. Lessler, J. M. McAnerney, G. M. Ntshoe, A. Puren, P. Klepac, A. Tatem, B. T. Grenfell and O. N. Bjørnstad

Optimizing Reactive Responses to Outbreaks of Immunizing Infections: Balancing Case Management and Vaccination

PDF document, 592.7 KB

Petra Klepac1, Ottar N. Bjørnstad, C. Jessica E. Metcalf, Bryan T. Grenfell

Revealing mechanisms underlying variation in malaria virulence: effective propagation and host control of uninfected red blood cell supply

PDF document, 647.8 KB

C. J. E. Metcalf, G. H. Long, N. Mideo, J. D. Forester, O. N. Bjørnstad and A. L. Graham

Pathogens, Social Networks, and the Paradox of Transmission Scaling

PDF document, 1.0 MB

Matthew J. Ferrari, Sarah E. Perkins, Laura W. Pomeroy, and Ottar N. Bjørnstad

The epidemiology of rubella in Mexico: seasonality, stochasticity and regional variation

PDF document, 566.7 KB

C. J. E. METCALF1, O. N. BJØRNSTAD1, M. J. FERRARI1, P. KLEPAC, N. BHARTI, H. LOPEZ-GATELL AND B. T. GRENFELL

Rubella metapopulation dynamics and importance of spatial coupling to the risk of congenital rubella syndrome in Peru

PDF document, 1.4 MB

C. J. E. Metcalf, C. V. Munayco, G. Chowell, B. T. Grenfell and O. N. Bjørnstad

Identifying the Age Cohort Responsible for Transmission in a Natural Outbreak of Bordetella bronchiseptica

PDF document, 276.7 KB

Gra ́inne H. Long, Divya Sinha, Andrew F. Read, Stacy Pritt, Barry Kline, Eric T. Harvill, Peter J. Hudson, Ottar N. Bjørnstad

Supplement - Identifying the Age Cohort Responsible for Transmission in a Natural Outbreak of Bordetella bronchiseptica

PDF document, 65.7 KB

Imperfect vaccine-induced immunity and whooping cough transmission to infants

PDF document, 280.1 KB

Jennie Lavinea, Hélène Broutin, Eric T. Harville, Ottar N. Bjørnstad

Synchrony and geographical variation of the spruce bark beetle (Ips typographus) during a non-epidemic period

PDF document, 487.8 KB

Bjørn Økland Æ Ottar N. Bjørnstad

Abstract: Synchrony and geographical variation of the spruce bark beetle (Ips typographus) during a non-epidemic period

B. Økland & O.N. Bjørnstad

Rural−urban gradient in seasonal forcing of measles transmission in Niger

PDF document, 684.0 KB

Matthew J. Ferrari, Ali Djibo, Rebecca F. Grais, Nita Bharti, Bryan T. Grenfell and Ottar N. Bjornstad

Measles hotspots and epidemiological connectivity

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N. BHARTI, A. DJIBO, M. J. FERRARI, R. F. GRAIS, A. J. TATEM, C. A. MCCABE, O. N. BJORNSTAD AND B. T. GRENFELL

Decreasing stochasticity through enhanced seasonality in measles epidemics

PDF document, 1.1 MB

N. B. Mantilla-Beniers, O. N. Bjørnstad, B. T. Grenfell and P. Rohani

Multivariate Statistical Analyses Demonstrate Unique Host Immune Responses to Single and Dual Lentiviral Infection

PDF document, 352.6 KB

Sunando Roy, Jennie Lavine, Francesca Chiaromonte, Julie Terwee, Sue VandeWoude, Ottar Bjornstad, Mary Poss

Seasonality and comparative dynamics of six childhood infections in pre-vaccination Copenhagen

PDF document, 338.6 KB

C. Jessica E. Metcalf, Ottar N. Bjørnstad, Bryan T. Grenfell and Viggo Andreasen

The role of Allee effects in gypsy moth, Lymantria dispar (L.), invasions

PDF document, 1.4 MB

Patrick C. Tobin, Christelle Robinet, Derek M. Johnson, Stefanie L. Whitmire, Ottar N. Bjørnstad, Andrew M. Liebhold

Evaluating the relative importance of patch quality and connectivity in a damselfly metapopulation from a one-season survey

PDF document, 251.9 KB

Takehiko Yamanaka, Koichi Tanaka, Kenji Hamasaki, Yukinobu Nakatani, Nobusuke Iwasaki, David S. Sprague and Ottar N. Bjørnstad

Detecting spatial structures and interactions in the ragweed (Ambrosia artemissifolia L.) and the ragweed beetle (Ophraella communa LeSage) populations

PDF document, 1021.2 KB

Takehiko Yamanaka, Koichi Tanaka, Akira Otuka, Ottar N. Bjørnstad

Abstract: Detecting spatial structures and interactions in the ragweed (Ambrosia artemissifolia L.) and the ragweed beetle (Ophraella communa LeSage) populations

2008 Recipient of the ‘Ecological Research Award’ from the Ecological Society of Japan

Invasion speed is affected by geographical variation in the strength of Allee effects

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Patrick C. Tobin, Stefanie L. Whitmire, Derek M. Johnson, Ottar N. Bjørnstad and Andrew M. Liebhold

Aabstract: Invasion speed is affected by geographical variation in the strength of Allee effects

P.C. Tobin , S.L. Whitmire, D.M. Johnson, O.N. Bjørnstad and A.M. Liebhold

Geographical variation in the periodicity of gypsy moth outbreaks

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Derek M. Johnson, Andrew M. Liebhold and Ottar N. Bjørnstad

Abstract: Geographical variation in the periodicity of gypsy moth outbreaks

Ecography (2006) 148: 51-60

Geographic variation in density-dependent dynamics impacts the synchronizing effect of dispersal and regional stochasticity

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Andrew M. Liebhold, Derek M. Johnson, and Ottar N. Bjørnstad

Abstract: Geographic variation in density-dependent dynamics impacts the synchronizing effect of dispersal and regional stochasticity

Population Ecology (2005) 48:131-138

Landscape mosaic induces traveling waves of insect outbreaks

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Derek M. Johnson, Ottar N. Bjørnstad, and Andrew M. Liebhold

Abstract: Landscape mosaic induces traveling waves of insect outbreaks

Oecologia (2006) 148: 51-60

A resource depletion model of forest insect outbreaks

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BJøRN ØKLAND AND OTTAR N. BJøRNSTAD

Abstract: A resource depletion model of forest insect outbreaks

Ecology (2006) 87: 283-290.

Roles of dispersal, stochasticity, and nonlinear dynamics in the spatial structuring of seasonal natural enemy–victim populations

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atrick C. Tobin & Ottar N. Bjørnstad

Abstract: Roles of dispersal, stochasticity, and nonlinear dynamics in the spatial structuring of seasonal natural enemy–victim populations

Population Ecology (2005) 47: 221-227.

Are bark beetle outbreaks less synchronous than forest Lepidoptera outbreaks?

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Bjørn Økland, Andrew M. Liebhold, Ottar N. Bjørnstad, Nadir Erbilgin, Paal Krokene

Abstract: Are bark beetle outbreaks less synchronous than forest Lepidoptera outbreaks?

Oecologia (2005) 146: 365-372.

Masting and trophic cascades: interplay between rowan trees, apple fruit moth, and their parasitoid in southern Norway

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Akiko Satake, Ottar N. Bjørnstad and Sverre Kobro

Abstract: Masting and trophic cascades: interplay between rowan trees, apple fruit moth, and their parasitoid in southern Norway

Oikos (1998) 104:540-55

Spatial Dynamics of Specialist Seed Predators on Synchronized and Intermittent Seed Production of Host Plants

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Akiko Satake, and Ottar N. Bjørnstad

Abstract: Spatial Dynamics of Specialist Seed Predators on Synchronized and Intermittent Seed Production of Host Plants

American Naturalist (2004) 163:591-605

Estimation and inference for R0 of an infectious pathogen using a removal method

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Matthew J. Ferrari, Ottar N. Bjørnstad, Andrew P. Dobson

Abstract: Estimation and inference of R0 of an infectious pathogen by a removal method

Mathematical Biosciences (2005) 198: 14-26

Population inference from messy data: errors, missing and hidden states, and lagged responses

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JAMES S. CLARK AND OTTAR N. BJØRNSTAD

Appendix: Population inference from messy data: errors, missing and hidden states, and lagged responses

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APPENDIX: GIBBS SAMPLER FOR BAYESIAN STATE-SPACE MODELS

Abstract: Population inference from messy data: errors, missing and hidden states, and lagged responses

Ecology (2004) 85: 3140–3150

A stochastic model for extinction and recurrence of epidemics: estimation and inference for measles outbreaks.

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Finkenstädt, B., Bjørnstad, O.N. & Grenfell, B.T.

Abstract: A stochastic model for extinction and recurrence of epidemics: estimation and inference for measles outbreaks

Biostatistics (2002) 3: 493-510

Hazards, spatial transmission and timing of outbreaks in epidemic metapopulations

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Ottar N. Bjørnstad & Bryan T. Grenfell

Anthropogenic forcing on the spatial dynamics of an agricultural weed: the case of the common sunflower

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Humston, R., Mortensen, D. and Bjørnstad, O.N.

Abstract: Anthropogenic forcing on the spatial dynamics of an agricultural weed: the case of the common sunflower

Journal of Applied Ecology (2005) 42: 863-872

The spatial signature of environmental heterogeneity, dispersal, and competition in successional grasslands.

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Seabloom, E.W., Bjørnstad, O.N., Bolker, B.M. and Reichman, O.J.

Abstract: The spatial signature of environmental heterogeneity, dispersal, and competition in successional grasslands.

Ecological Monographs (2005) 75: 199-214

Curriculum vitae - Ottar Nordal Bjørnstad

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60cities.txt

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60measles.txt

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60measles.xls

Excel spreadsheet, 291.5 KB

TSIR analysis of measles in England and Wales:
saitoetal1999

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Saitohetal1997

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saitohetal1998a

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fromentinetal1997

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fromentionetal2000

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meps2

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kaneko1998

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lynx

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1 page bio

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