Search Results - "Pitchford, J. W."

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    Group Navigation and The "Many-Wrongs Principle" in Models of Animal Movement by Codling, E. A., Pitchford, J. W., Simpson, S. D.

    Published in Ecology (Durham) (01-07-2007)
    “…Traditional studies of animal navigation over both long and short distances have usually considered the orientation ability of the individual only, without…”
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    Biodiversity and Ecosystem Function in Soil by Fitter, A. H., Gilligan, C. A., Hollingworth, K., Kleczkowski, A., Twyman, R. M., Pitchford, J. W., The Members of the NERC Soil Biodiversity Programme

    Published in Functional ecology (01-06-2005)
    “…1. Soils are one of the last great frontiers for biodiversity research and are home to an extraordinary range of microbial and animal groups. Biological…”
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    Random walk models for the movement and recruitment of reef fish larvae by Codling, E. A., Hill, N. A., Pitchford, J. W., Simpson, S. D.

    “…The factors influencing the movement and recruitment of settlement stage larvae are investigated using random walk models. Individual-based sensing and…”
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    mid-season crash in aphid populations: why and how does it occur? by Karley, A.J, Parker, W.E, Pitchford, J.W, Douglas, A.E

    Published in Ecological entomology (01-08-2004)
    “…1. Aphid populations on agricultural crops in temperature regionscollapse over a few days from peak numbers to local extinction soon after midsummer (e.g…”
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    Physical flow effects can dictate plankton population dynamics by Woodward, J R, Pitchford, J W, Bees, M A

    Published in Journal of the Royal Society interface (01-08-2019)
    “…Oceanic flows do not necessarily mix planktonic species. Differences in individual organisms' physical and hydrodynamic properties can cause changes in drift…”
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    The causes and processes of the mid-summer population crash of the potato aphids Macrosiphum euphorbiae and Myzus persicae (Hemiptera: Aphididae) by Karley, A J, Pitchford, J W, Douglas, A E, Parker, W E, Howard, J J

    Published in Bulletin of entomological research (01-09-2003)
    “…Populations of many phloem-feeding aphid species in temperate regions increase exponentially in early summer and then 'disappear', usually over a time-scale of…”
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    Habitat fragmentation: Simple models for local persistence and the spread of invasive species by Brown, R.G., James, A.F., Pitchford, J.W., Plank, M.J.

    Published in Journal of theoretical biology (07-10-2012)
    “…Understanding the persistence and growth of natural populations in environments subject to random localised change is relevant both to the conservation of…”
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    Mixotrophy, allelopathy and the population dynamics of phagotrophic algae (cryptophytes) in the Darss Zingst Bodden estuary, southern Baltic by Hammer, A. C., Pitchford, J. W.

    “…Seasonal plankton dynamics in the Darss Zingst Bodden Chain (DZBC), a southern Baltic estuary, are characterised by summer cyanophyte/chlorophyte dominance,…”
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    The role of mixotrophy in plankton bloom dynamics, and the consequences for productivity by Hammer, Astrid C., Pitchford, Jonathan W.

    Published in ICES journal of marine science (01-08-2005)
    “…Mixotrophy (=heterotrophy and photosynthesis by a single individual) is a common phenomenon in aquatic ecosystems, in particular under light- or…”
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    Iron limitation, grazing pressure and oceanic high nutrient-low chlorophyll (HNLC) regions by Pitchford, J W, Brindley, J

    Published in Journal of plankton research (01-03-1999)
    “…Deficiency in bioavailable iron and grazing pressure have been proposed as alternative explanations for the existence of oceanic high nutrient-low chlorophyll…”
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    The relationship between plankton blooms, the hatching of fish larvae, and recruitment by James, Alex, Pitchford, Jonathan W., Brindley, John

    Published in Ecological modelling (01-02-2003)
    “…Models of fish recruitment must include a realistic description of the underlying prey population dynamics. In the example presented here a model for the…”
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    Optimal foraging in patchy turbulent environments by Pitchford, Jonathan W., James, Alex, Brindley, John

    “…The problem of what strategy a predator should adopt when foraging in a turbulent and spatially patchy environment is investigated using simple mathematical…”
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    Prey Patchiness, Predator Survival and Fish Recruitment by William Pitchford, Jonathan, Brindley, John

    Published in Bulletin of mathematical biology (01-05-2001)
    “…A simple mathematical model is presented for the population dynamics of fish larvae when the main food supply, in this case copepods, is spatially patchy in…”
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    Stochastic von Bertalanffy models, with applications to fish recruitment by Lv, Qiming, Pitchford, Jonathan W.

    Published in Journal of theoretical biology (21-02-2007)
    “…We consider three individual-based models describing growth in stochastic environments. Stochastic differential equations (SDEs) with identical von Bertalanffy…”
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    The importance of variable timing and abundance of prey for fish larval recruitment by Burrow, Jennifer F., Horwood, Joe W., Pitchford, Jon W.

    Published in Journal of plankton research (01-08-2011)
    “…Fish recruitment can vary by an order of magnitude between years, and the larval stage is a key determining factor. Zooplankton, the main source of larval…”
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    Uncertainty and sustainability in fisheries and the benefit of marine protected areas by Pitchford, Jonathan W., Codling, Edward A., Psarra, Despina

    Published in Ecological modelling (10-10-2007)
    “…Over-exploitation of fisheries is a serious and immediate global problem that current management policies struggle to solve. Scientists and managers accept…”
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    Mixotrophy, allelopathy and the population dynamics of phagotrophic algae (cryptophytes) in the Darss Zingst Bodden estuary, southern Baltic by Hammer, A C, Pitchford, J W

    “…Seasonal plankton dynamics in the Darss Zingst Bodden Chain (DZBC), a southern Baltic estuary, are characterised by summer cyanophyte/chlorophyte dominance,…”
    Get full text
    Journal Article
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    Individualism in plant populations: Using stochastic differential equations to model individual neighbourhood-dependent plant growth by Lv, Qiming, Schneider, Manuel K., Pitchford, Jonathan W.

    Published in Theoretical population biology (01-08-2008)
    “…We study individual plant growth and size hierarchy formation in an experimental population of Arabidopsis thaliana, within an integrated analysis that…”
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