Works (33)

Updated: July 5th, 2023 16:04

2018 journal article

Disease where you dine: plant species and floral traits associated with pathogen transmission in bumble bees

Ecology, 99(11), 2535–2545.

author keywords: bee decline; bee parasites; Bombus impatiens; Crithidia; environmental reservoir; floral traits; foraging behavior; trait-based; transmission hotspots
MeSH headings : Animals; Bees; Crithidia; Flowers / anatomy & histology; Phenotype; Plants
TL;DR: Variation among plant species, through their influence on pathogen transmission, may shape bee disease dynamics, and surprisingly, floral size and morphology did not significantly predict transmission across species. (via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land (Web of Science; OpenAlex)
Sources: Web Of Science, Crossref
Added: November 26, 2018

2005 journal article

Pest control by genetic manipulation of sex ratio

Journal of Economic Entomology, 98(1), 18–34.

By: P. Schliekelman, S. Ellner* & F. Gould*

MeSH headings : Alleles; Animals; Female; Fertility / genetics; Genetic Engineering; Insecta / genetics; Male; Pest Control, Biological / methods; Population Density; Sex Ratio; Y Chromosome / genetics
Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2003 journal article

Pair-edge approximation for heterogeneous lattice population models

THEORETICAL POPULATION BIOLOGY, 64(3), 271–280.

By: N. Thomson n & S. Ellner*

author keywords: invasion; lattice model; stochastic spatial model; pair approximation; spatial heterogeneity
MeSH headings : Algorithms; Birth Rate; Humans; Models, Biological; Population Dynamics
TL;DR: It is found that, as in the homogeneous model, the pair-edge approximation is significantly more accurate than the ordinary pair approximation in determining conditions for persistence, however, habitat heterogeneity decreases invasion speed more than is predicted by the couple approximation, and the discrepancy increases with greater clustering of "dead" sites. (via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2002 journal article

Fitting population dynamic models to time-series data by gradient matching

Ecology (Brooklyn, New York, N.Y.), 83(8), 2256–2270.

By: S. Ellner, Y. Seifu & R. Smith

Source: NC State University Libraries
Added: August 6, 2018

2002 article

Precision of population viability analysis

Ellner, S. P., Fieberg, J., Ludwig, D., & Wilcox, C. (2002, February). CONSERVATION BIOLOGY, Vol. 16, pp. 258–261.

By: S. Ellner n, J. Fieberg n, D. Ludwig* & C. Wilcox*

TL;DR: Although population viability analysis (PVA) is widely used in setting conservation policy, there is disagreement about the usefulness of this method and the use of demographic models for endangered-species management. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2002 journal article

Scaling up animal movements in heterogeneous landscapes: The importance of behavior

Ecology (Brooklyn, New York, N.Y.), 83(8), 2240–2247.

By: J. Morales & S. Ellner

Source: NC State University Libraries
Added: August 6, 2018

2002 journal article

State-dependent energy allocation in variable environments: Life history evolution of a rotifer

Ecology (Brooklyn, New York, N.Y.), 83(8), 2181–2193.

By: K. Shertzer & S. Ellner

Source: NC State University Libraries
Added: August 6, 2018

2001 journal article

Egg size evolution and energetic constraints on population dynamics

THEORETICAL POPULATION BIOLOGY, 60(2), 73–92.

By: P. Schliekelman n & S. Ellner n

MeSH headings : Animals; Biological Evolution; Daphnia / genetics; Daphnia / physiology; Energy Metabolism; Models, Statistical; Nonlinear Dynamics; Ovum; Population Dynamics
TL;DR: The model predicts egg energy in Daphnia magna well, and suggests that the observed egg energy is the result of selection for minimal egg investment constrained by minimum viable egg energy, combined with selection for a juvenile energy reserve. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2001 review

Stochastic matrix models for conservation and management: a comparative review of methods

[Review of ]. ECOLOGY LETTERS, 4(3), 244–266.

By: J. Fieberg n & S. Ellner n

author keywords: conservation biology; correlated vital rates; environmental stochasticity; population viability analysis; sensitivity analysis; stochastic matrix models; transition matrices
TL;DR: Simulation results suggest that the precision of population viability estimates can be improved by using matrix models that incorporate environmental covariates in conjunction with experiments to estimate transition rates under a range of environmental conditions. (via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2000 journal article

Crossing the Hopf bifurcation in a live predator-prey system

Science, 290(5495), 1358–1360.

By: G. Fussmann, S. Ellner, K. Shertzer & N. Hairston

Source: NC State University Libraries
Added: August 6, 2018

2000 journal article

Dormancy strategies in a random environment: Comparing structured and unstructured models

Evolutionary Ecology Research, 2(4), 387–407.

By: M. Easterling & S. Ellner

Source: NC State University Libraries
Added: August 6, 2018

2000 journal article

Inferring colonization processes from population dynamics inspatially structured predator-prey systems

Ecology (Brooklyn, New York, N.Y.), 81(12), 3350–3361.

By: E. McCauley, B. Kendall, A. Janssen, S. Wood, W. Murdoch, P. Hosseini, C. Briggs, S. Ellner ...

Source: NC State University Libraries
Added: August 6, 2018

2000 journal article

Linking ecological patterns to environmental forcing via nonlinear time series models

Ecology (Brooklyn, New York, N.Y.), 81(10), 2767–2780.

By: M. Pascual & S. Ellner

Source: NC State University Libraries
Added: August 6, 2018

2000 journal article

Living on the edge of chaos: Population dynamics of Fennoscandian voles

Ecology (Brooklyn, New York, N.Y.), 81(11), 3099–3116.

By: P. Turchin & S. Ellner

Source: NC State University Libraries
Added: August 6, 2018

2000 journal article

Size-specific sensitivity: Applying a new structured population model

Ecology (Brooklyn, New York, N.Y.), 81(3), 694–708.

By: M. Easterling, S. Ellner & P. Dixon

Source: NC State University Libraries
Added: August 6, 2018

2000 journal article

Testing for predator dependence in predator-prey dynamics: a non-parametric approach

Proceedings of the Royal Society of London. Series B. Biological Sciences, 267(1453), 1611–1620.

By: C. Jost* & S. Ellner*

MeSH headings : Animals; Ciliophora; Ecosystem; Food Chain; Models, Biological; Paramecium; Population Dynamics; Time Factors
TL;DR: This work reconstructs the functional response non-parametrically from predator-prey time-series data, and suggests that a modified version of the Hassell V arley predator interference model provides a simple and flexible function for theoretical investigation and applied modelling. (via Semantic Scholar)
Source: NC State University Libraries
Added: August 6, 2018

2000 journal article

Varying migration and deme size and the feasibility of the shifting balance

EVOLUTION, 54(1), 324–327.

By: S. Peck*, S. Ellner* & F. Gould*

author keywords: pesticide resistance; shifting balance theory; stepping stone model; stochastic migration; varying deme size
Sources: Web Of Science, ORCID
Added: August 6, 2018

2000 journal article

When is it meaningful to estimate an extinction probability?

Ecology (Brooklyn, New York, N.Y.), 81(7), 2040–2047.

By: J. Fieberg & S. Ellner

Source: NC State University Libraries
Added: August 6, 2018

1999 journal article

Spread of resistance in spatially extended regions of transgenic cotton: Implications for management of Heliothis virescens (Lepidoptera: Noctuidae)

Journal of Economic Entomology, 92(1), 1–16.

By: S. Peck*, F. Gould* & S. Ellner*

TL;DR: It is found that the spatial scale and the temporal pattern of refuges can have a strong effect on the development of resistance to B. thuringiensis in transgenic cotton and delays in larval development time on Bt cotton may either increase or decrease the rate of resistance development, depending on complex interactions with the length of the growing season. (via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being (OpenAlex)
Sources: NC State University Libraries, ORCID
Added: August 6, 2018

1999 journal article

The roles of fluctuating selection and long-term diapause in microevolution of diapause timing in a freshwater copepod

EVOLUTION, 53(1), 111–122.

By: S. Ellner*, N. Hairston, C. Kearns & D. Babai

author keywords: copepod; diapause; fluctuating selection; microevolution; migration; overlapping generations; selection response
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
Source: Web Of Science
Added: August 6, 2018

1999 journal article

Why do populations cycle? A synthesis of statistical and mechanistic modeling approaches

Ecology (Brooklyn, New York, N.Y.), 80(6), 1789–1805.

By: B. Kendall, C. Briggs, W. Murdoch, P. Turchin, S. Ellner, E. McCauley, R. Nisbet, S. Wood

Source: NC State University Libraries
Added: August 6, 2018

1998 journal article

A spatially explicit stochastic model demonstrates the feasibility of Wright's Shifting Balance Theory

EVOLUTION, 52(6), 1834–1839.

By: S. Peck*, S. Ellner* & F. Gould*

author keywords: diffusion approximation; Sewall Wright; shifting-balance theory; stochastic simulation models; substructured populations
Sources: Web Of Science, ORCID
Added: August 6, 2018

1998 conference paper

Long-term diapause and spreading of risk across the life cycle

In L. de M. L. Brendonck & N. Hairston Jr. (Eds.), Evolutionary and ecological aspects of crustacean diapause: Proceedings of the symposium 'Diapause in the Crustacea--with invited contributions on non-crustacean taxa' held in Gent, August 24-29, 1997 (Ergebnisse der Limnologie=Advances in limnology series; Heft. 52) (pp. 297–312). Stuttgart: E. Schweizerbart'sche Verlagsbuchhandlung.

By: S. Ellner, N. Hairston & D. Babai

Ed(s): L. L. Brendonck & N. Hairston

Source: NC State University Libraries
Added: August 6, 2018

1998 journal article

Noise and nonlinearity in measles epidemics: Combining mechanistic and statistical approaches to population modeling

AMERICAN NATURALIST, 151(5), 425–440.

By: S. Ellner n, B. Bailey n, G. Bobashev n, A. Gallant*, B. Grenfell* & D. Nychka*

author keywords: population dynamics; modeling; measles; time-series analysis; local Lyapunov exponents
TL;DR: The semimechanistic models used to analyze population dynamics data using historical data on measles epidemics are found to have better forecasting accuracy than either of the model types used in previous analyses when tested on data not used to fit the models. (via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

1998 journal article

Speed of invasion in lattice population models: pair-edge approximation

JOURNAL OF MATHEMATICAL BIOLOGY, 36(5), 469–484.

By: S. Ellner*, A. Sasaki*, Y. Haraguchi* & H. Matsuda*

author keywords: invasion; lattice model; pair approximation; wave speed; stochastic spatial model
TL;DR: A simple approach to approximating the speed of invasion in lattice population models by using quasi-steady-state pair approximations to describe the leading edge of the wave front, finding very good agreement between the approximation and simulation results. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

1997 journal article

Inferring mechanism from time-series data: Delay-differential equations

Physica. D, Nonlinear Phenomena, 110(3-4), 182–194.

By: S. Ellner, B. Kendall, S. Wood, E. McCauley & C. Briggs

Source: NC State University Libraries
Added: August 6, 2018

1997 journal article

The effect of economic thresholds and life-history parameters on the evolution of pesticide resistance in a regional setting

AMERICAN NATURALIST, 149(1), 43–63.

By: S. Peck n & S. Ellner*

TL;DR: Rotation is most beneficial when migration rates are either very high or very low and has little effect at intermediate migration rates, so the level of resistance in a given field may be only weakly related to the history of pesticide treatment in that field. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
Source: Web Of Science
Added: August 6, 2018

1997 chapter

You bet your life: Life-history strategies in fluctuating environments (1)

In Case studies in mathematical modeling: Ecology, physiology, and cell biology (pp. 3–24). Upper Saddle River, N.J.: Prentice Hall.

By: S. Ellner

Source: NC State University Libraries
Added: August 6, 2018

1996 journal article

Environmental fluctuations and the maintenance of genetic diversity in age or stage-structured populations

BULLETIN OF MATHEMATICAL BIOLOGY, 58(1), 103–127.

By: S. Ellner n

MeSH headings : Aging; Animals; Biological Evolution; Computer Simulation; Diploidy; Gene Frequency; Genetic Variation; Haploidy; Mathematics; Models, Genetic
TL;DR: For a range of genetic models, it is found that the condition for maintaining genetic diversity generalizes almost without change, and requires fitness fluctuations that are substantial but well within the range observed in many studies of natural populations. (via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

1996 journal article

Patterns of genetic polymorphism maintained by fluctuating selection with overlapping generations

THEORETICAL POPULATION BIOLOGY, 50(1), 31–65.

By: S. Ellner n & A. Sasaki n

MeSH headings : Diploidy; Evolution, Molecular; Gene Frequency; Genetic Variation / genetics; Genotype; Haploidy; Models, Genetic; Multivariate Analysis; Normal Distribution; Phenotype; Polymorphism, Genetic / genetics; Reproducibility of Results; Selection, Genetic
TL;DR: The results do not fit the conventional multivariate Gaussian or near-Gaussian models for quantitative traits, but may partially explain recent findings that heritable variation in natural populations is often due to genes of large effect. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
Source: Web Of Science
Added: August 6, 2018

1996 journal article

Simulation model of recirculating mariculture with seaweed biofilter: Development and experimental tests of the model

AQUACULTURE, 143(2), 167–184.

By: S. Ellner n, A. Neori*, M. Krom*, K. Tsai n & M. Easterling n

author keywords: simulation; model; recirculating; Sparus aurata; seaweed; biofilter
TL;DR: Simulation experiments indicate that the experimental system could support much higher stocking densities of fish without exceeding tolerable levels of ammonia-N, and sensitivities to internal transformation rate parameters were lower, which might explain the relative seasonal constancy of the system. (via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

1995 journal article

Chaos in a noisy world - new methods and evidence from time-series analysis

American Naturalist, 145(3), 343–375.

By: S. Ellner & P. Turchin

Source: NC State University Libraries
Added: August 6, 2018

1994 journal article

ROLE OF OVERLAPPING GENERATIONS IN MAINTAINING GENETIC-VARIATION IN A FLUCTUATING ENVIRONMENT

AMERICAN NATURALIST, 143(3), 403–417.

By: S. Ellner n & N. Hairston

TL;DR: It is suggested that temporally fluctuating selection can indeed contribute significantly to the maintenance of genetic variation when the effects of overlapping generations and age-specific or stage-specific selection are considered, and it is found that an evolutionarily stable population must have positive genetic variance maintained by selection. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
Source: Web Of Science
Added: August 6, 2018

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