SEARCH

SEARCH BY CITATION

References

  • Alexander, H.M., Cummings, C.L., Kahn, L. & Snow, A.A. (2001) Seed size variation and predation of seeds produced by wild and crop-wild sunflowers. American Journal of Botany, 88, 623627.
  • Ballaré, C.L., Scopel, A.L., Ghersa, C.M. & Sánchez, R.A. (1987a) The demography of Datura ferox (L.) in soybean crops. Weed Research, 27, 91102.
  • Ballaré, C.L., Scopel, A.L., Ghersa, C.M. & Sánchez, R.A. (1987b) The demography of Datura ferox (L.) in soybean crops: a simulation approach incorporating seed dispersal. Agriculture, Ecosystems and Environment, 19, 177188.
  • Bauer, T.A., Mortensen, D.A., Wicks, G.A., Hayden, T.A. & Martin, A.R. (1991) Environmental variability associated with economic thresholds for soybeans. Weed Science, 39, 564569.
  • Bjørnstad, O.N. & Bascompte, J. (2001) Synchrony and second order spatial correlation in host–parasitoid systems. Journal of Animal Ecology, 70, 924933.
  • Bjørnstad, O.N. & Bolker, B. (2000) Canonical functions for dispersal-induced synchrony. Proceedings of Royal Society London, B, 267, 17871794.
  • Bjørnstad, O.N. & Falck, W. (2001) Spatial covariance functions, estimation and testing. Environmental and Ecological Statistics, 8, 5370.
  • Bjørnstad, O.N., Peltonen, M., Liebhold, A.M. & Baltensweiler, W. (2002) Waves of larch budmoth outbreaks in the European alps. Science, 298, 10201023.
  • Buckley, Y.M., Briese, D.T. & Rees, M. (2003) Demography and management of the invasive plant species Hypericum perforatum. II. Construction and use of an individual-based model to predict population dynamics and the effects of management strategies. Journal of Applied Ecology, 40, 494507.
  • Burnside, O.C., Fenster, C.R., Evetts, L.L. & Mumm, R.F. (1981) Germination of exhumed weed seed in Nebraska. Weed Science, 39, 564569.
  • Burnside, O.C., Wilson, R.G., Weisberg, S. & Hubbard, K.G. (1996) Seed longevity of 41 weed species buried 17 years in eastern and western Nebraska. Weed Science, 44, 7486.
  • Burton, M.G. (2000) Effects of soil and landscape characteristics on the population dynamics of wild Helianthus annuus L. PhD Thesis. University of Nebraska, Lincoln, NE.
  • Burton, M.G., Mortensen, D.A., Marx, D.B. & Lindquist, J.L. (2004) Factors affecting the realized niche of common sunflower (Helianthus annuus) in ridge-tillage corn. Weed Science, 52, 779787.
  • Clark, J.S., Lewis, M. & Horvath, L. (2001) Invasion by extremes: Population spread with variation in dispersal and reproduction. The American Naturalist, 157, 537554.
  • Clark, J.S., Silman, M., Kern, R., Macklin, E. & HilleRisLambers, J. (1999) Seed dispersal near and far: patterns across temperate and tropical forests. Ecology, 80, 14851494.
  • Cousens, R. & Mortimer, M. (1995) Dynamics of Weed Populations. Cambridge University Press, Cambridge, UK.
  • Cummings, C.L. & Alexander, H.M. (2002) Population ecology of wild sunflowers: effects of seed density and post-dispersal vertebrate seed predators. Oecologia, 130, 274280.
  • Dieleman, J.A., Mortensen, D.A., Buhler, D.D. & Ferguson, R.B. (2000) Identifying associations among site properties and weed species abundance. II. Hypothesis generation. Weed Science, 48, 576587.
  • Dieleman, J.A., Mortensen, D.A. & Martin, A.R. (1999) Influence of velvetleaf (Abutilon theophrasti) and common sunflower (Helianthus annuus) density variation on weed management outcomes. Weed Science, 47, 8189.
  • Donald, W.W. (1994) Geostatistics for mapping weeds with a Canadian thistle (Cirsium arvense) patch as a case study. Weed Science, 42, 648657.
  • Gonzáles-Andújar, L.J., Plant, R.E. & Fernandez-Quintanilla, C. (2001) Modeling the effect of farmers’ decisions on the population dynamics of winter wild oat in an agricultural landscape. Weed Science, 49, 414422.
  • Howard, C.L., Mortimer, A.M., Gould, P., Putwain, P.D., Cousens, R. & Cussans, G.W. (1991) The dispersal of weeds: seed movement in arable agriculture. Proceedings 1991 Brighton Crop Protection Conference – Weeds, pp. 821828. British Crop Protection Council, Brighton, UK.
  • Humston, R. Mortensen, D.A. & Wyse-Pester, D.Y. (in press) Assessing management impacts on spatial dynamics of common sunflower (Helianthus annuus). Weed Science, in press.
  • Jurado-Expósito, M., Lópose-Granados, F., González-Andújar, J.L. & García-Torres, L. (2004) Spatial and temporal analysis of Convolvulus arvensis L. populations over four growing seasons. European Journal of Agronomy, 21, 287296.
  • Kot, M. & Schaffer, W.M. (1986) Discrete-time growth-dispersal models. Mathematical Biosciences, 80, 109136.
  • Kot, M., Lewis, M.A. & Van Den Driessche, P. (1996) Dispersal data and the spread of invading organisms. Ecology, 77, 20272042.
  • Latore, J., Gould, P. & Mortimer, A.M. (1998) Spatial dynamics and critical patch size of annual plant populations. Journal of Theoretical Biology, 190, 277285.
  • Legendre, P. & Legendre, L. (1998) Numerical Ecology, 2nd English edn. Elsevier Science BV, Amsterdam, the Netherlands.
  • McCullagh, P. & Nelder, J.A. (1989) Generalized Linear Models, 2nd edn. Chapman & Hall, London, UK.
  • Mortensen, D.A. & Dieleman, J.A. (1998) Why weed patches persist: dynamics of edges and density. Precision Weed Management in Crops and Pastures (eds R.W.Medd & J.E.Pratley), pp. 1419. R.G. & F.J. Richardson, Melbourne, Australia.
  • Nathan, R. & Muller-Landau, H.C. (2000) Spatial patterns of seed dispersal, their determinants and consequences for recruitment. Trends in Ecology and Evolution, 15, 278285.
  • Oden, N.L. & Sokal, R.R. (1986) Directional autocorrelation: an extension of spatial correlograms to two dimensions. Systematic Zoology, 35, 608617.
  • Okubo, A. (1980) Diffusion and Ecological Problems: Mathematical Models. Biomathematics, Vol. 10. Springer-Verlag, New York, NY.
  • Paice, M.E.R., Day, W., Rew, L.J. & Howard, A. (1998) A simulation model for evaluating the concept of patch spraying. Weed Research, 38, 373388.
  • Pilson, D. (2000) Herbivory and natural selection on flowering phenology in wild sunflower, Helianthus annuus. Oecologia, 122, 7282.
  • R Development Core Team (2004) R: A Language and Environment for Statistical Computing. R Foundation for Statistical Computing, Vienna, Austria. http://www.R-project.org .
  • Rew, L.J. & Cussans, G.W. (1997) Horizontal movement of seeds following tine and plough cultivation: implications for spatial dynamics of weed infestations. Weed Research, 37, 247256.
  • Rew, L.J., Froud-Williams, R.J. & Boatman, N.D. (1996) Dispersal of Bromus sterilis and Anthriscus sylvestris seed within arable field margins. Agriculture, Ecosystems and Environment, 58, 107114.
  • Ribbens, E., Silander, J.A. Jr & Pacala, S.W. (1994) Seedling recruitment in forests: calibrating models to predict patterns of tree seedling dispersion. Ecology, 75, 17941806.
  • Teo-Sherrel, C.P.A. (1996) The fates of weed seeds. PhD Thesis. University of Nebraska, Lincoln, NE.
  • Westerman, P.R., Wes, J.S., Kropff, M.J. & Van der Werf, W. (2003) Annual losses of weed seeds due to predation in organic cereal fields. Journal of Applied Ecology, 40, 824836.
  • Woolcock, J.L. & Cousens, R. (2000) A mathematical analysis of factors affecting the rate of spread of patches of annual weeds in an arable field. Weed Science, 48, 2734.