Papers that explain methods
Cluster indices and red-blue plots
Perry, J.N., Winder, L., Holland, J.M. & Alston, R.D. (1999). Red-blue plots for detecting clusters in count data. Ecology Letters, 2, 106-113.
Winder, L., Alexander, C., Holland, J.M., Woolley, C. and Perry, J.N. (2001). Modelling the dynamic spatio-temporal response of predators to transient prey patches in the field. Ecology Letters, 4, 568-576.
Local spatial association for two sets of data - (new SADIE methodology based on cluster indices)
Winder, L., Alexander, C., Holland, J.M., Woolley, C. and Perry, J.N. (2001). Modelling the dynamic spatio-temporal response of predators to transient prey patches in the field. Ecology Letters, 4, 568-576.
Perry, J.N. & Dixon, P. (2002). A new method for measuring spatial association in ecological count data. Ecoscience, 9, 133-141.
Mapped data
Perry, J.N. (1995a). Spatial analysis by distance indices. Journal of Animal Ecology, 64, 303-314.
Simulation of spatial data
Perry, J.N. (1996). Simulating spatial patterns of counts in agriculture and ecology. Computers & Electronics in Agriculture, 15, 93-109.
Spatial pattern based on single indices - (valid but now out-dated)
Perry, J.N. (1995b). Spatial aspects of animal and plant distribution in patchy farmland habitats. In: Ecology and Integrated Arable Farming Systems, pp. 221-242 (eds, D. Glen, M. Greaves & H.M. Anderson). Wiley, Chichester.
Perry, J.N. (1996). Simulating spatial patterns of counts in agriculture and ecology. Computers & Electronics in Agriculture, 15, 93-109.
Perry, J.N. & Klukowski, Z. (1997). Spatial distributions of counts at the edges of sample areas. Proceedings of the VI Conference of the Biometric Society (SpanishRegion), Córdoba 21-24 September, 1997, pp. 103-108.
Perry, J.N. (1998a). Measures of spatial pattern for counts. Ecology, 79, 1008-1017.
Spatial association based on single indices - (valid but now out-dated)
Perry, J.N. (1997a). Spatial association for counts of two species. Acta Jutlandica, 72, 149-169.
Perry, J.N. (1998b). Measures of spatial pattern and spatial association for counts of insects. pp. 21-33 in: Population and Community Ecology for Insect Management and Conservation. (eds. J. Baumgartner, P. Brandmayr & B.F.J. Manly). Balkema, Rotterdam. Proceedings of the Ecology and Population Dynamics Section of the 20th Int. Cong. Ent., Florence, Italy, 25-31 August 1996. ISBN 9054109300.
Korie, S., Perry, J.N., Mugglestone, M.A., Clark, S.J., Thomas, C.F.G. & Mohamad Roff, M.N. (2000). Spatiotemporal Associations in Beetle and Virus Count Data. Journal of Agricultural, Biological & Environmental Statistics, 5, 214-239.
General expository papers
Perry, J.N., Bell, E.D., Smith, R.H. & Woiwod, I.P. (1996). SADIE: software to measure and model spatial pattern. Aspects of Applied Biology, 46, 95 - 102.
Perry, J.N. (1997b). "Inchworm, inchworm, measuring the marigolds…": Biometry in action. Inaugural Lecture Series of the University of Greenwich. 30pp. ISBN: 1 86166 049 9.
Perry, J.N. (1997c). Some aspects of the spatial dynamics of weeds. Pages 625-628 in: Proceedings of the 1997 Brighton Conference: Weeds, Volume 2, 7B-4. BCPC, Farnham, Surrey.
Korie, S., Clark, S.J., Perry, J.N., Mugglestone, M.A., Bartlett, P.W., Marshall, E.J.P. & Mann, J.A. (1998). Analysing maps of dispersal around a single focus (with Discussion). Ecological & Environmental Statistics, 5, 317-350.
Dungan, J.L., Perry, J.N., Dale, M.R.T., Citron-Pousty, S., Fortin, M.-J., Jakomulska, A., Legendre, P., Miriti, M. & Rosenberg, M. (2002). A balanced view of scaling in spatial statistical analysis. Ecography, 25, 626-640.
Perry, J.N., Liebhold, A., Rosenberg, M.S., Dungan, J., Miriti, M., Jakomulska, A. & Citron-Pousty, S. (2002). Illustration and Guidelines for Selecting Statistical Methods for Quantifying Spatial Patterns in Ecological Data. Ecography, 25, 578-600.
Papers giving examples of data analysis
Perry, J.N. (1995a). Spatial analysis by distance indices. Journal of Animal Ecology, 64, 303-314.
Perry, J.N. (1995b). Spatial aspects of animal and plant distribution in patchy farmland habitats. In: Ecology and Integrated Arable Farming Systems, pp. 221-242 (eds, D. Glen, M. Greaves & H.M. Anderson). Wiley, Chichester.
Perry, J.N. (1998a). Measures of spatial pattern for counts. Ecology, 79, 1008-1017.
Korie, S., Clark, S.J., Perry, J.N., Mugglestone, M.A., Bartlett, P.W., Marshall, E.J.P. & Mann, J.A. (1998). Analysing maps of dispersal around a single focus (with Discussion). Ecological & Environmental Statistics, 5, 317-350.
Winder, L., Holland, J. & Perry, J.N. (1998). The within-field spatial and temporal distribution of the grain aphid Sitobion avenae in winter wheat. Proceedings of the Brighton Conference 1998, Volume 3, Session 9D-18, pp. 1089-1094. BCPC, Farnham.
Perry, J.N., Winder, L., Holland, J.M. & Alston, R.D. (1999). Red-blue plots for detecting clusters in count data. Ecology Letters, 2, 106-113.
Murchie, A., Williams, I. & Perry, J.N. (1999). Spatial distributions of Ceutorynchus assimilis Paykull (Coleoptera: Curculionidae) and its parasitoid Trichomalus perfectus (Walker) (Hymenoptera: Pteromalidae) in a crop of winter oilseed rape (Brassica napus). BioControl, 44, 379-390.
Winder, L., Perry, J.N. & Holland, J.M. (1999). The spatial and temporal distribution of the grain aphid Sitobion avenae in winter wheat. Entomologia experimentalis et applicata, 93, 277-290.
Holland, J.M., Perry, J.N. &. Winder, L. (1999). The within-field spatial and temporal distribution of arthropods in winter wheat. Bulletin of Entomological Research, 89, 499-513.
Perry, J.N. & López Granados, Francisca (1999). Measuring the spatial pattern of Orobanche crenata weeds by SADIE red-blue analysis. Proceedings of VII Conferencia Espaòola de Biometria, Palma de Mallorca 10-12 de marzo de 1999, pp. 247-250.
Ferguson, A.W., Williams, I.H., Klukowski, Z., Walczak, B. & Perry, J.N. (1999). Spatial population dynamics of a pest and its parasitoid in an oilseed rape crop. Aspects of Applied Biology, 53, 143-148.
Holland, J.M., Winder, L. & Perry, J.N. (1999). Arthropod prey of farmland birds: their spatial distribution within a sprayed field with and without buffer zones. Aspects of Applied Biology, 54, 53-60.
Ingrid H. Williams, Archie K. Murchie, Andrew W. Ferguson, Zdzislaw Klukowski, Joe N. Perry, Barbara Walczak , Moira A. Mugglestone, Suzanne J. Clark (1999). Spatio-temporal dynamics of insect distribution in oilseed rape. CD ROM Proceedings of 10th International Rapeseed Congress, Canberra, Australia, 26 – 29 September 1999.
None of the following three papers are available for downloading:
Turechek, W. W. & Madden, L. V. (1999). Spatial pattern analysis of strawberry leaf blight in perennial production systems. Phytopathology 89: 421-433.
Turechek, W. W. & Madden, L. V. (1999). Spatial pattern analysis and sequential sampling for the incidence of leaf spot on strawberry in Ohio. Plant Disease, 83, 992-1000.
Turechek, W. W. & Madden, L. V. (1999). Analysis of the association between the incidence of two spatially aggregated foliar diseases of strawberry. Madden, 90, 157-170.
Ferguson, A.W., Klukowski, Z., Williams, I.H., Walczak, B., Perry, J.N., Mugglestone, M., & Clark, S.J. (2000). The spatio-temporal distribution of adult Ceutorhynchus assimilis in a crop of winter oilseed rape in relation to the distribution of their larvae and that of the parasitoid Trichomalus perfectus. Entomologia experimentalis et applicata, 95, 161-171.
Korie, S., Perry, J.N., Mugglestone, M.A., Clark, S.J., Thomas, C.F.G. & Mohamad Roff, M.N. (2000). Spatiotemporal Associations in Beetle and Virus Count Data. Journal of Agricultural, Biological & Environmental Statistics, 5, 214-239.
The information in the next paper (for which no download is available) is a compound of material given in Williams et al. (1999), above, and Ferguson et al. (2000), above:
Ingrid H. Williams, Archie K. Murchie, Andrew W. Ferguson, Zdzislaw Klukowski, Joe N. Perry, Barbara Walczak (2000). Within-field distributions of the seed weevil (Ceutorhynchus assimilis Paykull) and its parasitoid (Trichomalus perfectus Walker) on winter oilseed rape. Integrated Control in Oilseed Crops. IOBC/wprs Bulletin, 23 (6), 111-118.
Holland, J.M., Winder, L. & Perry, J.N. (2000). The impact of dimethoate on the spatial distribution of beneficial arthropods in winter wheat. Annals of Applied Biology, 136, 93-105.
Winder, L., Wooley, C., Holland, J.M., Perry, J.N. & Alexander, C.J. (2000). The field-scale distribution of insects in winter wheat. Proceedings of the 2000 Brighton Conference: Pests and Diseases, Volume 2, 573-578.
Holland, J.M., Begbie, M., Birkett, T., Reynolds, C.J.M. & Thomas, C.F.G. (2001). The influence of hedgerows on coleopteran distributions: results from a multi-field sampling study. In: Hedgerows of the World, Proceedings of IALE (UK) 2001, 177-186.
Shah, D. A., Bergstrom, G. C. & Ueng, P. P. (2001). Foci of Stagonospora nodorum blotch in winter wheat before canopy development. Phytopathology, 91, 642-647.
Winder, L., Alexander, C., Holland, J.M., Woolley, C. and Perry, J.N. (2001). Modelling the dynamic spatio-temporal response of predators to transient prey patches in the field. Ecology Letters, 4, 568-576.
Nansen, C., Meikle, W.G. & Korie, S. (2002). Spatial analysis of Prostephanus truncatus (Bostrichidae:Coleoptera) flight activity near maize stores and in different forest types in southern Benin, West Africa. Annals of the Entomological Society of America, 95, 66-74.
Kleijn, D. & Steinger, T. (2002). Contrasting effects of grazing
and hay cutting on the spatial and genetic population structure of Veratrum album, an unpalatable, long-lived, clonal plant species. Journal of Ecology, 90, 360-370.
The size of the .pdf file for the next paper is very large, because of several detailed colour red-blue plots. Therefore, I have split it into four separate .pdf files. Debbie Thackray's paper is of interest as the first that gives an application of SADIE red-plots to plant pathological virus disease data.
Thackray, D.J, Smith, L.J, Cheng, Y., Perry, J.N. & Jones, R.A.C. (2002) (pages 1-4) Effect of strain-specific hypersensitive resistance on spatial patterns of virus spread. Annals of Applied Biology, 141, 45-59.
Thackray et al. pages 5-8
Thackray et al. pages 9-12
Thackray et al. pages 13-16
Maestre, F.T. & Cortina, J. (2002). Spatial patterns of surface soil properties and vegetation in a
Mediterranean semi-arid steppe. Plant and Soil, 241, 279-291.
Dungan, J.L., Perry, J.N., Dale, M.R.T., Citron-Pousty, S., Fortin, M.-J., Jakomulska, A., Legendre, P., Miriti, M. & Rosenberg, M. (2002). A balanced view of scaling in spatial statistical analysis. Ecography, 25, 626-640.
Perry, J.N. & Dixon, P. (2002). A new method for measuring spatial association in ecological count data. Ecoscience, 9, 133-141.
Perry, J.N., Liebhold, A., Rosenberg, M.S., Dungan, J., Miriti, M., Jakomulska, A. & Citron-Pousty, S. (2002). Illustration and Guidelines for Selecting Statistical Methods for Quantifying Spatial Patterns in Ecological Data. Ecography, 25, 578-600.
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