Journal articles: 'Leslie Ford'

1

Carpenter, Ken. "Dr Robert Leslie Ford." Journal of Navigation 47, no. 3 (September 1994): 450–51. http://dx.doi.org/10.1017/s0373463300012406.

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2

Breton, Rob, Katharine Kittredge, and Peter Merchant. "Reviews." Journal of Juvenilia Studies 2, no. 2 (December 27, 2019): 117–23. http://dx.doi.org/10.29173/jjs41.

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Keith Hanley and Caroline S. Hull, editors, John Ruskin’s Continental Tour 1835: The Written Records and Drawings (Oxford, Legenda, 2016), reviewed by Rob Breton; Victoria Ford Smith, Between Generations: Collaborative Authorship in the Golden Age of Children's Literature (University Press of Mississippi, 2017), reviewed by Katharine Kittridge; Leslie Robertson and Juliet McMaster, with Alexandra Allen, Jasmyn Bojakli, Adela Burke, Aaron Mazo, Nicholas Siennicki, and Heather Westhaver, editors, The Journals and Poems of Marjory Fleming (Juvenilia Press, 2018), reviewed by Peter Merchant.

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3

Tintinago-Ruiz, Paulo, Lina Gallego-Berrío, and Eduardo González-Olivares. "Una clase de modelo de depredación del tipo Leslie-Gower con respuesta funcional racional no monotónica y alimento alternativo para los depredadores." Selecciones Matemáticas 6, no. 2 (December 30, 2019): 204–16. http://dx.doi.org/10.17268/sel.mat.2019.02.07.

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4

Lu, Hongying, and Weiguo Wang. "Dynamics of a Nonautonomous Leslie-Gower Type Food Chain Model with Delays." Discrete Dynamics in Nature and Society 2011 (2011): 1–19. http://dx.doi.org/10.1155/2011/380279.

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A nonautonomous Leslie-Gower type food chain model with time delays is investigated. It is proved the general nonautonomous system is permanent and globally asymptotically stable under some appropriate conditions. Furthermore, if the system is periodic one, some sufficient conditions are established, which guarantee the existence, uniqueness, and global asymptotic stability of a positive periodic solution of the system. The conditions for the permanence, global stability of system, and the existence, uniqueness of positive periodic solution depend on delays; so, time delays are profitless.

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Xue, Chunshan, and Xia Liu. "Chaos and Bifurcations of a Leslie-Gower Food Chain with Strong Allee Effect." Discrete Dynamics in Nature and Society 2015 (2015): 1–10. http://dx.doi.org/10.1155/2015/430985.

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Allee effect, as an important biological phenomenon, has been considered in many ecosystems, whereas, its influence on interactions of three or more species is little investigated. In this paper we modify a three-species Leslie-Gower type food chain system by incorporating the strong Allee effect into the source. Our results show that the existence of Allee effect contributes to the occurrence of more complex dynamics of the system, including Hopf, saddle-node, transcritical, saddle-node-Hopf, period-doubling, and period-halving bifurcations and chaos.

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Dame, Russel, Leslie Sturmer, Charles Adams, Richard Weldon, and Kelly A. Grogan. "Financial Risk in Off-bottom Oyster Culture along Florida’s West Coast." EDIS 2019, no. 5 (October 1, 2019): 10. http://dx.doi.org/10.32473/edis-fe1070-2020.

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This 10-page fact sheet written by Russel Dame, Leslie N. Sturmer, Charles M. Adams, Richard Weldon, and Kelly A. Grogan and published by the UF/IFAS Food and Resource Economics Department explains how to assess the risks involved with off-bottom oyster culture, a method allowing for growing oysters in mesh containers above the sea bottom where they are protected from predation and from becoming buried in sediment. https://edis.ifas.ufl.edu/fe1070

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7

Maghool, Firas Hussean, and Raid Kamel Naji. "The Dynamics of a Tritrophic Leslie-Gower Food-Web System with the Effect of Fear." Journal of Applied Mathematics 2021 (September 1, 2021): 1–21. http://dx.doi.org/10.1155/2021/2112814.

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The avoidance strategy of prey to predation and the predation strategy for predators are important topics in evolutionary biology. Both prey and predators adjust their behaviors in order to obtain the maximal benefits and to raise their biomass for each. Therefore, this paper is aimed at studying the impact of prey’s fear and group defense against predation on the dynamics of the food-web model. Consequently, in this paper, a mathematical model that describes a tritrophic Leslie-Gower food-web system is formulated. Sokol-Howell type of function response is adapted to describe the predation process due to the prey’s group defensive capability. The effects of fear due to the predation process are considered in the first two levels. It is assumed that the generalist predator grows logistically using the Leslie-Gower type of growth function. All the solution properties of the model are studied. Local dynamics behaviors are investigated. The basin of attraction for each equilibrium is determined using the Lyapunov function. The conditions of persistence of the model are specified. The study of local bifurcation in the model is done. Numerical simulations are implemented to show the obtained results. It is watched that the system is wealthy in its dynamics including chaos. The fear factor works as a stabilizing factor in the system up to a specific level; otherwise, it leads to the extinction of the predator. However, increasing the prey’s group defense leads to extinction in predator species.

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8

Li, Shuang, Zewei Yang, Hongsheng Li, and Guangwen Shu. "Projection of population structure in China using least squares support vector machine in conjunction with a Leslie matrix model." Journal of Forecasting 37, no. 2 (July 26, 2017): 225–34. http://dx.doi.org/10.1002/for.2486.

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9

Parshad, Rana D., Hamid Ait Abderrahmane, Ranjit Kumar Upadhyay, and Nitu Kumari. "Finite Time Blowup in a Realistic Food-Chain Model." ISRN Biomathematics 2013 (June 13, 2013): 1–12. http://dx.doi.org/10.1155/2013/424062.

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We investigate a realistic three-species food-chain model, with generalist top predator. The model based on a modified version of the Leslie-Gower scheme incorporates mutual interference in all the three populations and generalizes several other known models in the ecological literature. We show that the model exhibits finite time blowup in certain parameter range and for large enough initial data. This result implies that finite time blowup is possible in a large class of such three-species food-chain models. We propose a modification to the model and prove that the modified model has globally existing classical solutions, as well as a global attractor. We reconstruct the attractor using nonlinear time series analysis and show that it pssesses rich dynamics, including chaos in certain parameter regime, whilst avoiding blowup in any parameter regime. We also provide estimates on its fractal dimension as well as provide numerical simulations to visualise the spatiotemporal chaos.

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10

Mihăilescu, Clementina, and Stela Pleşa. "Food Imagery in Lesley Saunders’ Poetry." East-West Cultural Passage 19, no. 2 (December 1, 2019): 40–54. http://dx.doi.org/10.2478/ewcp-2019-0011.

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Abstract The essay entitled “Food Imagery in Lesley Saunders’ Poetry” expands upon various food issues that will be approached via Gaston Bachelard’s aesthetic theory which situates us in the proximity of a sensible point of objectivity further enlarged upon from a phenomenological perspective that merges the exterior substantiality of food with the reality of imagination. The acquired intimate connotations of the poetess’ food environment are tackled in terms of the inner/outer opposition and the Platonic dialectics that involves old versus new, good versus evil, plenty versus scarcity, revealing the dynamic virtues of “roots,” the emblem of the diversity of food. Our approach to the house, where various types of food are being prepared, in relation to its pivotal functions of dwelling, preparing food and sharing it, turns both the house and food into the unfailing communality and sociality constructs of all places and ages.

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11

Mondal, Shuvojit, Nandadulal Bairagi, and Gaston M. 'Guerekata. "Global stability of a Leslie-Gower-type fractional order tritrophic food chain model." Fractional Differential Calculus, no. 1 (2019): 149–61. http://dx.doi.org/10.7153/fdc-2019-09-11.

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12

Kujawa, M. "Groundwater Residue Sampling Design (ACS Symposium Series 465). Herausgegeben von R. G. Nash und A. R. Leslie. 395 Seiten, zahlr. Abb. American Chemical Society, Washington, DC, 1991. Preis: 84,95 $." Food / Nahrung 37, no. 3 (1993): 297. http://dx.doi.org/10.1002/food.19930370320.

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13

Chen, Jialin, Zhenliang Zhu, Xiaqing He, and Fengde Chen. "Bifurcation and chaos in a discrete predator-prey system of Leslie type with Michaelis-Menten prey harvesting." Open Mathematics 20, no. 1 (January 1, 2022): 608–28. http://dx.doi.org/10.1515/math-2022-0054.

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Abstract In this paper, a discrete Leslie-Gower predator-prey system with Michaelis-Menten type harvesting is studied. Conditions on the existence and stability of fixed points are obtained. It is shown that the system can undergo fold bifurcation, flip bifurcation, and Neimark-Sacker bifurcation by using the center manifold theorem and bifurcation theory. Numerical simulations are presented to illustrate the main theoretical results. Compared to the continuous analog, the discrete system here possesses much richer dynamical behaviors including orbits of period-16, 21, 35, 49, 54, invariant cycles, cascades of period-doubling bifurcation in orbits of period-2, 4, 8, and chaotic sets.

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14

Sunita Gakkhar and Dawit Melese. "NON-CONSTANT POSITIVE STEADY STATE OF A DIFFUSIVE LESLIE-GOWER TYPE FOOD WEB SYSTEM." Journal of Applied Analysis & Computation 1, no. 4 (2011): 467–85. http://dx.doi.org/10.11948/2011032.

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15

Nindjin, A. F., and M. A. Aziz-Alaoui. "Persistence and global stability in a delayed Leslie–Gower type three species food chain." Journal of Mathematical Analysis and Applications 340, no. 1 (April 2008): 340–57. http://dx.doi.org/10.1016/j.jmaa.2007.07.078.

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16

Priyadarshi, A., and S. Gakkhar. "Dynamics of Leslie–Gower type generalist predator in a tri-trophic food web system." Communications in Nonlinear Science and Numerical Simulation 18, no. 11 (November 2013): 3202–18. http://dx.doi.org/10.1016/j.cnsns.2013.03.001.

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17

FERGOLA, P., and WENDI WANG. "ON THE INFLUENCES OF DEFENSIVE VOLATILES OF PLANTS IN TRITROPHIC INTERACTIONS." Journal of Biological Systems 19, no. 02 (June 2011): 345–63. http://dx.doi.org/10.1142/s0218339011004044.

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Some mathematical models are suggested to describe the tritrofic interactions among plants, herbivores and their carnivorous enemies attracted by defensive volatiles of plants. For the interactions of Volterra type, it is proved that the threshold value for the persistence of herbivore and carnivore populations is not affected by the chemical attractions. Furthermore, the attraction to carnivores is beneficial to reduce the density of herbivores and increase the density of plants. If the interaction of plants and herbivores takes the Leslie type, the model admits the fold bifurcation that induces bistable positive equilibria. Numerical computations indicate that the response time of carnivores to defensive volatiles of plants induces periodic cycles and irregular fluctuations.

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18

Kujawa, M. "Pesticides in Urban Environments. Fate and Significance. ACS Symposium Series 522. Herausgegeben von K. D. Roche und A. R. Leslie. 378 Seiten, zahlr. Abb. und Tab. American Chemical Society, Washington, DC, 1993." Food / Nahrung 38, no. 2 (1994): 225. http://dx.doi.org/10.1002/food.19940380225.

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19

李, 亚静. "Stability Analysis of the Leslie-Gower Model for Predator with Allee Effect and Other Food Resource." Advances in Applied Mathematics 10, no. 10 (2021): 3565–73. http://dx.doi.org/10.12677/aam.2021.1010376.

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20

Donaldson, Janine, Mandisa Ngema, Pilani Nkomozepi, and Kennedy Erlwanger. "Response to Commentary paper by Prof Leslie M. Klevay." Journal of the Science of Food and Agriculture 100, no. 10 (May 10, 2020): 4058. http://dx.doi.org/10.1002/jsfa.10427.

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21

Yang, Wen-Bin, Yan-Ling Li, Jianhua Wu, and Hai-Xia Li. "Dynamics of a food chain model with ratio-dependent and modified Leslie-Gower functional responses." Discrete & Continuous Dynamical Systems - B 20, no. 7 (2015): 2269–90. http://dx.doi.org/10.3934/dcdsb.2015.20.2269.

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22

Charles, S., M. Ferreol, A. Chaumot, and A. R. R. Péry. "Food availability effect on population dynamics of the midge Chironomus riparius: a Leslie modeling approach." Ecological Modelling 175, no. 3 (July 2004): 217–29. http://dx.doi.org/10.1016/j.ecolmodel.2003.10.016.

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23

Guo, Lei, Zi-Gen Song, and Jian Xu. "Complex dynamics in the Leslie–Gower type of the food chain system with multiple delays." Communications in Nonlinear Science and Numerical Simulation 19, no. 8 (August 2014): 2850–65. http://dx.doi.org/10.1016/j.cnsns.2013.12.023.

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24

Abid, Walid, R. Yafia, M. A. Aziz Alaoui, H. Bouhafa, and A. Abichou. "Instability and Pattern Formation in Three-Species Food Chain Model via Holling Type II Functional Response on a Circular Domain." International Journal of Bifurcation and Chaos 25, no. 06 (June 15, 2015): 1550092. http://dx.doi.org/10.1142/s0218127415500923.

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This paper is devoted to the study of food chain predator–prey model. This model is given by a reaction–diffusion system defined on a circular spatial domain, which includes three-state variables namely, prey and intermediate predator and top predator and incorporates the Holling type II and a modified Leslie–Gower functional response. The aim of this paper is to investigate theoretically and numerically the asymptotic behavior of the interior equilibrium of the model. The local and global stabilities of the positive steady-state solution and the conditions that enable the occurrence of Hopf bifurcation and Turing instability in the circular spatial domain are proved. In the end, we carry out numerical simulations to illustrate how biological processes can affect spatiotemporal pattern formation in a disc spatial domain and different types of spatial patterns with respect to different time steps and diffusion coefficients are obtained.

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25

Bandyopadhyay, M., S. Chatterjee, S. Chakraborty, and J. Chattopadhyay. "Density Dependent Predator Death Prevalence Chaos in a Tri-trophic Food Chain Model." Nonlinear Analysis: Modelling and Control 13, no. 3 (July 25, 2008): 305–24. http://dx.doi.org/10.15388/na.2008.13.3.14559.

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Ecological systems have all the properties to produce chaotic dynamics. To predict the chaotic behavior in an ecological system and its possible control mechanism is interesting. Aziz-Alaoui [1] considered a tri-trophic food-chain model with modified Leslie-Gower type growth rate for top-predator population and established the chaotic dynamics exhibited by the model system for a certain choice of parameter values. We have modified the said model by incorporating density dependent death rate for predator population. Our mathematical findings reveal the fact that there are two coexisting equilibrium points one of which is a source and the other one is a sink. The positive equilibrium point which is sink is actually globally asymptotically stable under certain parametric conditions. Numerical experiment analysis shows that the model system are capable to produce chaotic dynamics when the rate of intra specific completion is very low and chaotic dynamics disappears for a certain value of the rate of intra specific completion for predator species. Our results suggest that the consideration of density dependent death rate for predator species have the ability to control the chaotic dynamics.

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26

Mittelstadt, Martin W. "The Spirit of Food: 34 Writers on Feasting and Fasting Toward God - Edited by Leslie Leyland Fields." Religious Studies Review 38, no. 2 (June 2012): 76. http://dx.doi.org/10.1111/j.1748-0922.2012.01596_13.x.

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27

Chapinal, N., C. E. Fitzpatrick, K. E. Leslie, and S. A. Wagner. "Short Communication: Automated assessment of the effect of flunixin meglumine on rumination in dairy cows with endotoxin-induced mastitis." Canadian Journal of Animal Science 94, no. 1 (March 2014): 21–25. http://dx.doi.org/10.4141/cjas2013-071.

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Chapinal, N., Fitzpatrick, C. E., Leslie, K. E. and Wagner, S. A. 2014. Short Communication: Automated assessment of the effect of flunixin meglumine on rumination in dairy cows with endotoxin-induced mastitis. Can. J. Anim. Sci. 94: 21–25. The objective was to evaluate the use of rumination loggers to monitor the effect of flunixin meglumine on rumination in lactating dairy cows with endotoxin-induced clinical mastitis. Mastitis was induced in 13 cows by intramammary infusion of Escherichia coli lipopolysaccharide (LPS) into a rear quarter. Four hours later, seven cows received flunixin meglumine intravenously and six received a saline solution. Control cows ruminated less than treated cows 5–8 h and 11–12 h after LPS infusion, although they ruminated more 15–16 h after LPS infusion. Rumination loggers show promise as a practical on-farm tool to monitor the efficacy of anti-inflammatory therapy for clinical mastitis.

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28

Flores, José D., and Eduardo González-Olivares. "A modified Leslie-Gower predator-prey model with ratio-dependent functional response and alternative food for the predator." Mathematical Methods in the Applied Sciences 40, no. 7 (April 18, 2017): 2313–28. http://dx.doi.org/10.1002/mma.4172.

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29

UPADHYAY, R. K., A. MUKHOPADHYAY, and S. R. K. IYENGAR. "INFLUENCE OF ENVIRONMENTAL NOISE ON THE DYNAMICS OF A REALISTIC ECOLOGICAL MODEL." Fluctuation and Noise Letters 07, no. 01 (March 2007): L61—L77. http://dx.doi.org/10.1142/s0219477507003696.

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The present paper investigates the influence of environmental noise on a fairly realistic three-species food chain model based on the Leslie-Gower scheme. The self- growth parameter for the prey species is assumed to be perturbed by white noise characterized by a Gaussian distribution with mean zero and unit spectral density. Using tools borrowed from the nonlinear dynamical system theory, we study the dynamical behavior of the model system. The behavior of the stochastic system (perturbed one) is studied and the fluctuations in the populations are measured both analytically (for the linearized system) and numerically by computer simulation. Varying one of the control parameters in its range, while keeping all the others constant, we monitor the changes in the dynamical behavior of the model system, thereby fixing the regimes in which the system exhibits chaotic dynamics. Our study suggests that the trophic level (top, middle or bottom) at which a population is positioned, the amplitude of environmental noise and the population's susceptibility to environmental noise play key roles in how noise affects the population dynamics.

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30

Chakraborty, Kunal, Kunal Das, and Hengguo Yu. "Modeling and analysis of a modified Leslie–Gower type three species food chain model with an impulsive control strategy." Nonlinear Analysis: Hybrid Systems 15 (February 2015): 171–84. http://dx.doi.org/10.1016/j.nahs.2014.09.003.

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31

Tian, Canrong. "Turing patterns created by cross-diffusion for a Holling II and Leslie-Gower type three species food chain model." Journal of Mathematical Chemistry 49, no. 6 (February 15, 2011): 1128–50. http://dx.doi.org/10.1007/s10910-011-9801-z.

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32

New, Tim R. "Patrick B. Durst, Dennis V. Johnson, Robin N. Leslie and Kenichi Shono (eds): Forest insects as food: humans bite back." Journal of Insect Conservation 15, no. 3 (October 20, 2010): 483–84. http://dx.doi.org/10.1007/s10841-010-9357-4.

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33

Herrmann, Robert O. "Ritson, Christopher, Leslie Gofton, and John McKenzie. The Food Consumer . Chichester, England: John Wiley … Sons, 1986, xi + 262 pp., $@@‐@@54.95." American Journal of Agricultural Economics 70, no. 1 (February 1988): 213–14. http://dx.doi.org/10.2307/1242007.

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34

Porter, Roger. "Oscar on the Boards: Playwrights Represent the Playwright on Stage." New Theatre Quarterly 34, no. 1 (January 10, 2018): 47–57. http://dx.doi.org/10.1017/s0266464x17000677.

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In this article Roger Porter analyzes five plays about Oscar Wilde, by Leslie and Sewell Stokes, David Hare, Eric Bentley, Moises Kaufman, and Terry Eagleton. He focuses on various aspects of the three Wilde trials of 1895, and shows how, while the plays employ verbatim transcripts of the court records, they use the latter in quite different ways and with different emphases, suggesting how the several playwrights regard Douglas in his relation with Wilde, as well as Douglas's implication in the verdict. Several of the plays focus almost exclusively on Wilde's personality, while others engage with larger issues, including Victorian moral regulation of sexuality, the relation of art to society, and English attitudes towards the Irish. He also stresses how the plays’ dramaturgy relates to their perspectives on Wilde, especially on his cultural role. Roger Porter is Professor Emeritus of English, Reed College, Portland, Oregon, USA. He is the author of Self-Same Songs: Autobiographical Performances and Reflections (University of Nebraska Press), Bureau of Missing Persons: Writing the Secret Lives of Fathers (Cornell University Press), and co-editor (with Sandra Gilbert) of Eating Words: a Norton Anthology of Food Writing.

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35

García, Christian Cortés. "Bifurcations in a discontinuous Leslie-Gower model with harvesting and alternative food for predators and constant prey refuge at low density." Mathematical Biosciences and Engineering 19, no. 12 (2022): 14029–55. http://dx.doi.org/10.3934/mbe.2022653.

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<abstract><p>Since environmental studies have shown that a constant quantity of prey become refuges from the predator at low densities and become accessible again for consumption when they reach a higher density, in this work we propose a discontinuous mathematical model, Lesli-Gower type, which describes the dynamics between prey and predators, interacting under the same environment, and whose predator functional response, of linear type, is altered by a refuge constant in the prey when below a critical value. Assuming that predators can be captured and have alternative food, the qualitative analysis of the proposed discontinuous model is performed by analyzing each of the vector fields that compose it, which serves as the basis for the calculation of the bifurcation curves of the discontinuous model, with respect to the threshold value of the prey and the harvest rate of predators. It is concluded that the perturbations of the parameters of the model leads either to the extinction of the predators or to a stabilization in the growth of both species, regardless of their initial conditions.</p></abstract>

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Lin, Sijia, Fengde Chen, Zhong Li, and Lijuan Chen. "Complex Dynamic Behaviors of a Modified Discrete Leslie–Gower Predator–Prey System with Fear Effect on Prey Species." Axioms 11, no. 10 (October 1, 2022): 520. http://dx.doi.org/10.3390/axioms11100520.

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A discrete modified Leslie–Gower prey-predator model considering the effect of fear on prey species is proposed and studied in this paper. First, we discuss the existence of an equilibrium point and the local stability of the model. Second, we use the iterative method and comparison principle to obtain the set of conditions which ensures the global attractivity of positive equilibrium point. The results show that prey and predator can coexist stably when the intrinsic growth rates of both prey and predator are maintained within a certain range. Then, we study the global attractivity of the boundary equilibrium point. Our results suggest that when the intrinsic rate of increase of prey and predator is small enough, the prey will tend to go extinct, while the predator can survive stably due to the availability of other food sources. Subsequently, we discuss flip bifurcation, transcritical bifurcation at the equilibrium points of the system, by using the center manifold theorem and bifurcation theory. We find that system changes from chaotic state to four-period orbit, two-period orbit, and finally to stable state with the increase of the fear effect on prey species. Finally, we verify the feasibility of the main results by numerical simulations, and discuss the influence of the fear effect. The results show that fear effect can enhance the stability of the system.

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37

Onana, Maximilien, Boulchard Mewoli, and Jean Jules Tewa. "Hopf bifurcation analysis in a delayed Leslie–Gower predator–prey model incorporating additional food for predators, refuge and threshold harvesting of preys." Nonlinear Dynamics 100, no. 3 (May 2020): 3007–28. http://dx.doi.org/10.1007/s11071-020-05659-7.

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38

Edeline, Eric, Thrond O. Haugen, Finn-Arne Weltzien, David Claessen, Ian J. Winfield, Nils Chr Stenseth, and L. Asbjørn Vøllestad. "Body downsizing caused by non-consumptive social stress severely depresses population growth rate." Proceedings of the Royal Society B: Biological Sciences 277, no. 1683 (November 18, 2009): 843–51. http://dx.doi.org/10.1098/rspb.2009.1724.

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Chronic social stress diverts energy away from growth, reproduction and immunity, and is thus a potential driver of population dynamics. However, the effects of social stress on demographic density dependence remain largely overlooked in ecological theory. Here we combine behavioural experiments, physiology and population modelling to show in a top predator (pike Esox lucius ) that social stress alone may be a primary driver of demographic density dependence. Doubling pike density in experimental ponds under controlled prey availability did not significantly change prey intake by pike (i.e. did not significantly change interference or exploitative competition), but induced a neuroendocrine stress response reflecting a size-dependent dominance hierarchy, depressed pike energetic status and lowered pike body growth rate by 23 per cent. Assuming fixed size-dependent survival and fecundity functions parameterized for the Windermere (UK) pike population, stress-induced smaller body size shifts age-specific survival rates and lowers age-specific fecundity, which in Leslie matrices projects into reduced population rate of increase ( λ ) by 37–56%. Our models also predict that social stress flattens elasticity profiles of λ to age-specific survival and fecundity, thus making population persistence more dependent on old individuals. Our results suggest that accounting for non-consumptive social stress from competitors and predators is necessary to accurately understand, predict and manage food-web dynamics.

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39

Auklend, Morten. "Kassetekstens didaktikk. Korte prosatekster i klasserom og auditorium." Nordlit, no. 48 (January 11, 2022): 1–11. http://dx.doi.org/10.7557/13.5849.

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Å bruke korte prosatekster (såkalte «kassetekster») i litteraturundervisningen har store fordeler, både i videregående skole og i høyere utdanning. Kortformatet – anvendt i kortprosa, lynfiksjoner og prosalyrikk – er nemlig kjent for unge, utrente lesere ettersom det blir brukt i e-poster, nyhetsartikler, Twitter-tekster, Snapchat-beskjeder og andre kulturtekster, også muntlige. Ved å utnytte et velkjent format (og dette formatets økonomiske språk), og dermed gjøre formatet til en didaktisk ressurs, kan litteraturundervisere lettere utdanne elever og studenter fordi de allerede har foreliggende kunnskaper om tekst, form, estetikk og språk. De vil likevel trenge teori om og undervisning i kortformatet.

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40

Ivezić, Aleksandar. "The brown marmorated stink bug Halyomorpha halys (Hemiptera: Heteroptera): A new threat for hazelnut crops in Serbia." Biljni lekar 48, no. 5 (2020): 488–502. http://dx.doi.org/10.5937/biljlek2005488i.

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Hazelnut crops are damaged by various types of polyphagous true bugs. The most commonly encountered species are representatives of the families Coreidae and Pentatomidae (Hemiptera: Heteroptera) Recent invasion of the exotic brown marmorated stink bug Halyomorpha halys (Stål) (Hemiptera: Pentatomidae) represents a serious threat in many agroecosystems in Europe. Following its first detection, H. halys has become a key pest in many hazelnut crops in Europe, causing damage throughout the entire period of nut and kernel development. The pest causes damage in adults and larval stages by sucking sap from practically all parts of plants. This bug is characterized by a distinct polyphagous behavior, so to date, more than 300 plant species have been identified as food hosts. Halyomorpha halys was first registered in Serbia in October 2015 in the region of Vršac. Detection of brown marmorated bug in hazelnut crops in Serbia calls for caution and requires systematic monitoring of this pest in order to determine an adequate strategy for plant protection and accurate timing of its control. In hazelnut crops, this bug causes damage by sucking juices from the husk, shell and kernel of the fruit, which significantly reduces the quality and market value of the hazelnut fruit. Management of the brown marmorated stink bug in agricultural settings has primarily relied on the use of broad-spectrum of insecticides. In the system of Integrated Pest Management, the control of H. halys is based on a strategy that implies a reduced and effective use of insecticides and a distinct knowledge of the biology and behavior of the pest. Monitoring insect populations is a fundamental component of Integrated Pest Management programs. In a perspective of reduction or avoidance of chemical treatments and preservation of a healthy agroecosystems, such as the, alternative pest management strategies in hazelnut orchards should be further developed. Moreover, as a long-term solution, biological control of H. halys with the natural enemy species, native or introduced, could play a major role in managing this pest, especially in organic farming systems.

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Janke, Rhonda R. "Good Growing—Why Organic Farming Works. By Leslie A Duram. 2005. Bison Books, University of Nebroska Press, Lincoln, NE. 251 p. US$21.95, ISBN 0803266480, paperback." Renewable Agriculture and Food Systems 21, no. 3 (September 2006): 204–5. http://dx.doi.org/10.1079/raf2005137.

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Jones, Nerys Ann. "Joseph Falaky Nagy & Lesley Ellen Jones (ed), Heroic poets and poetic heroes in Celtic tradition: a Festschrift for Patrick K. Ford." Peritia 21 (January 2010): 351–54. http://dx.doi.org/10.1484/j.perit.1.102392.

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Higgins, A. K. "East Greenland Caledonides: stratigraphy, structure and geochronology." Geological Survey of Denmark and Greenland (GEUS) Bulletin 6 (December 30, 2004): 1–4. http://dx.doi.org/10.34194/geusb.v6.4814.

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The East Greenland Caledonides extend from 70° to 81°30′N, and have been the subject of a series of regional mapping programmes between 1968 and 1998. The entire orogen is now covered by five published 1:500 000 geological map sheets. The six papers in this bulletin concern a variety of topics relating mainly to Kronprins Christian Land (79°–81°30′N) and the Kong Oscar Fjord region (72°–75°N).The paper by Smith et al. on Lower Palaeozoic stratigraphy proposes amendments to several stratigraphical units that occur in Kronprins Christian Land and nearby Lambert Land. In the Kong Oscar Fjord region, two new formations are defined for quartzite and limestone/dolostone units that crop out in foreland windows, and the Lower Palaeozoic succession of the fjord region of East Greenland is formally placed in the Kong Oscar Fjord Group. The second paper by Smith et al. describes and formally defines the Neoproterozoic Rivieradal Group of Kronprins Christian Land. The paper by Higgins et al. analyses the thinskinned fold-and-thrust belt that marks the transition between foreland and orogen in Kronprins Christian Land, and presents a balanced cross-section restoration.The two geochronological papers by Thrane report the results of ion microprobe zircon analyses from orthogneisses in the Charcot Land window (72°N), and results of reconnaissance Pb-Pb dating by the stepleaching method.The final paper by Higgins & Leslie reviews the history of geological research in the Eleonore Sø and Målebjerg areas of the Kong Oscar Fjord region (72°–75°N). Recognition that the two areas are part of the Caledonian foreland implies that the two thrust sheets structurally overlying the Eleonore Sø and Målebjerg windows have large displacements (~ 100 km each), and that the 'stockwerke' concept of the orogen that focused on in situ vertical movements can finally be laid to rest.

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Paulson, Jo Ann. "Gittinger, J. Price, Joanne Leslie, and Caroline Hoi‐sington, eds. Food Policy: Integrating Supply, Distribution, and Consumption . Baltimore MD: Johns Hopkins University Press, 1987, xiv + 567 pp., $@@‐@@16.50." American Journal of Agricultural Economics 70, no. 1 (February 1988): 206–7. http://dx.doi.org/10.2307/1241998.

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Dingle, Lesley. "Pioneering the Laws of Commerce: Conversations with Professor Leonard Sedgwick Sealy for the Cambridge ESA." Legal Information Management 13, no. 4 (November 19, 2013): 278–83. http://dx.doi.org/10.1017/s1472669613000595.

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AbstractThe calm and courteous mannerisms that Professor Len Sealy's interviews radiate belie a pragmatic determination that has been the hallmark of his long and productive career. For nearly six decades he has been a legal pioneer, working assiduously to elevate the law of commerce, and in particular company law and insolvency, to scholarly respectability in academia and practical understanding in boardrooms. Yet typically, for one who spent his entire professional life collaborating with wealth creators of the commercial world, he eschewed direct personal involvement in such activities. His loyalty to the scholastic tradition, mirrored in his unstinting service to his college and the Faculty, has generated a legacy of fond regard and intellectual respect. These reflections by Professor Sealy are based on interviews with Lesley Dingle at the Squire Law Library during February and April 2013. They should be read in conjunction with Professor Sealy's entry in the Eminent Scholars Archive1.

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Zhang, H., W. Luo, Y. Pan, J. Xu, J. S. Xu, W. Q. Chen, and J. Feng. "First Report of Fusarium Ear Rot of Maize Caused by Fusarium andiyazi in China." Plant Disease 98, no. 10 (October 2014): 1428. http://dx.doi.org/10.1094/pdis-01-14-0038-pdn.

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Maize (Zea mays L.) is an important food crop worldwide. Some Fusarium species cause maize ear rot leading to significant yield losses and, for some Fusarium species, potential risk of mycotoxin contamination. In 2013, a survey was conducted to determine the population composition of Fusarium species on maize in Dongyang, Zhejiang Province, China, where about 5% of maize ears in each field were found with reddish-white mold. Symptomatic maize ears were collected from several cultivars including forage corn Zhedan724 and Zhengdan958, sweet corn Chaotian4 and Chaotian135, and waxy corn Heinuo181 and Zhenuoyu6; no association between the disease and maize cultivars was observed. Maize kernels showing a pink or white mold were surface-disinfested with 70% ethanol and 10% sodium hypochlorite, followed by three rinses with sterile distilled water and placed onto potato dextrose agar (PDA). After 3 days of incubation at 25°C in the dark, mycelia were transferred to fresh PDA and purified by the single-spore isolation method (4). Species were identified based on morphological characteristics (2), and sequence analysis of the translation elongation factor-1α (TEF) gene. The results indicated that Fusarium verticillioides Sacc. (84.6%) is the main causal agent of maize ear rot in this region. However, morphological characteristics of two strains (7.7%) from the same field were found to be identical to F. andiyazi Marasas, Rheeder, Lampr., K.A. Zeller & J.F. Leslie. Colonies on PDA showed floccose to powdery mycelium and pale-purple pigmentation. Hyaline and straight or slightly curved macroconidia were observed with 3- to 6-septate and a slightly curved apical cell. Chlamydospores were absent. In order to validate this result, partial translation elongation factor (TEF-1α, 646 bp) gene sequences of isolates were generated (GenBank Accession No. KJ137019) (1). BLASTn analysis of TEF-1α with the GenBank database revealed 99.7% sequence identity to F. andiyazi (JN408195 and JN408196), and much lower (94 to 98%) identity with other Fusarium spp. Thus, both morphological and molecular criteria supported identification of the strains as F. andiyazi. A pathogenicity test was performed on maize cv. Zhengdan958 in a greenhouse. Four days post-silk emergence, a 2-ml conidial suspension (105 macroconidia/ml) of each isolate was injected into each of 10 maize ears through the silk channel. An equal amount of sterile distilled water was injected into 10 ears as a control. Typical Fusarium ear rot symptoms (reddish-white mold), which were observed in the ears inoculated with these strains 20 days after inoculation, were similar to the original symptoms in the sampling sites, and no symptoms were observed on the water control ears. The same fungus was re-isolated from the infected kernels using the method described above. F. andiyazi are the major pathogens of sorghum (2) and also proved to attack maize kernels recently (3). To our knowledge, this is the first report of F. andiyazi causing Fusarium ear rot on maize in China. Further investigation is needed to gain a better understanding of the spatial and temporal dynamics of this new pathogen. Also, the new species must be considered in the development of maize cultivars with broad-based resistance to the pathogens. References: (1) D. M. Geiser et al. Eur. J. Plant Pathol. 110:473, 2004. (2) J. F. Leslie and B. A. Summerell. The Fusarium Laboratory Manual. Blackwell Publishing, Ames, IA, 2006. (3) A. Madania et al. J. Phytopathol. 161:452, 2013. (4) H. Zhang et al. PLoS ONE 7:e31722, 2012.

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Wang, J. H., X. D. Peng, S. H. Lin, A. B. Wu, and S. L. Huang. "First Report of Fusarium Head Blight of Wheat Caused by Fusarium sacchari in China." Plant Disease 99, no. 1 (January 2015): 160. http://dx.doi.org/10.1094/pdis-08-14-0829-pdn.

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Fusarium head blight (FHB), or scab, caused by Fusarium species, is an economically devastating disease of wheat and other cereal crops worldwide. FHB epidemics in wheat occur frequently in China, especially along the middle and lower reaches of the Yangtze River, including Jiangsu and Shanghai. In 2013, wheat spikes showing clear FHB symptoms were collected from fields in Jiangsu and Shanghai. Symptomatic seeds were surface-sterilized for 1 min with a 5% sodium hypochlorite solution and dipping in 70% ethanol for 30 s, then rinsed three times in sterile distilled water and dried. They were placed onto potato dextrose agar (PDA) and incubated for 3 to 5 days at 28°C in the dark. Fungal colonies displaying morphological characteristics of Fusarium spp. (1,2) were purified by the single-spore technique and characterized at the species level by morphological observations (1,2) and translation elongation factor 1-α (TEF) gene sequencing. The results indicated that members of the Fusarium graminearum clade were predominant on wheat, while the morphological characteristics of 16 isolates were found to be identical to those of F. sacchari (1,2). Colonies on PDA were densely cottony, initially pale but becoming violet with age. The average growth rate was 6 to 8 mm per day at 25°C in the dark. Reverse pigmentation was brownish red to violet-brown. Microconidia, abundant in the aerial mycelium and formed in false heads, were oval to ellipsoidal in shape, primarily zero-septate, measuring 5.7 to 18.8 (average 10.6) μm in length. Macroconidia were slender, three- to five-septate, with a curved apical cell and a poorly developed basal cell, 26.3 to 68.9 (average 44.0) μm in length. No chlamydospores were observed. Two F. sacchari strains (Y37 and S43), isolated from Jiangsu and Shanghai, respectively, were investigated by sequence comparison of their partial TEF gene sequences (Accession Nos. KM233195 and KM233196). BLASTn analysis of the TEF sequences obtained with sequences available in the GenBank database revealed 99.8 and 99.5% sequence identity to F. sacchari (GenBank Accession Nos. JF740708 and JF740709). Pathogenicity tests were conducted by injecting 10 μl of a spore suspension (5 × 105 spores/ml) into wheat florets (20 per isolate of cv. Yangmai16), which were then grown under field conditions in Shanghai. Control plants were inoculated with sterile distilled water. Spikes were harvested and evaluated 14 days post-inoculation. Reddish white mold was observed on inoculated wheat spikes; in addition, spikelets adjacent to the inoculation point and the infected florets were brown. No symptoms were observed on water controls. Koch's postulates were fulfilled by reisolating the pathogen from infected florets and identifying them by TEF gene sequencing. F. sacchari is the cause of an important disease of sugar cane, pokkah boeng (1), and has been reported to produce the mycotoxin beauvericin, which causes toxicosis in human and other animals (3). To our knowledge, this is the first report of F. sacchari causing wheat head blight in China. The report contributes to an improved understanding of the composition of Fusarium species on wheat in the lower reaches of the Yangtze River in China, which will be useful for exploring appropriate disease management strategies in this region. References: (1) J. F. Leslie and B. A. Summerell. The Fusarium Laboratory Manual. Blackwell Publishing, Ames, IA, 2006. (2) J. F. Leslie et al. Mycologia 97:718, 2005. (3) A. Moretti et al. Int. J. Food Microbiol. 118:158, 2007.

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Deming, J. A., R. Bergeron, K. E. Leslie, and T. J. DeVries. "Associations of cow-level factors, frequency of feed delivery, and standing and lying behaviour of dairy cows milked in an automatic system." Canadian Journal of Animal Science 93, no. 4 (December 2013): 427–33. http://dx.doi.org/10.4141/cjas2013-055.

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Deming, J. A., Bergeron, R., Leslie, K. E. and DeVries, T. J. 2013. Associations of cow-level factors, frequency of feed delivery, and standing and lying behaviour of dairy cows milked in an automatic system. Can. J. Anim. Sci. 93: 427–433. The objectives of this observational study were to quantify the standing and lying behaviour of dairy cows milked in an automatic milking system (AMS) and determine associations of this behaviour with cow-level factors (parity, stage of lactation, production, lameness) and feeding management (frequency of feed delivery). Ninety lactating Holstein cows (178±83 d in milk (DIM); parity: 2.1±1.9), kept in a free-stall barn in one of two pens, each with a free-traffic AMS, were monitored for a period of 70 d. To vary feeding management, in two consecutive 35-d periods, cows in each pen were delivered a total mixed ration (TMR), in a random order, once daily (at 0730) or twice daily (at 0730 and 1730). During the last 7 d of each period, standing and lying behaviour were recorded with data loggers, while milking information was recorded by the AMS. Cows were lameness (gait) scored twice each period. Cows lay down for 10.9±2.0 h d−1, produced an average of 34.7±8.7 kg d−1 of milk, and milked 2.6±0.6 times per day. Cows spent more time standing after milking (P=0.04) when fed once daily compared with twice daily. Lying duration tended to increase (P=0.06) when feed was delivered twice daily. Milk yield (P<0.001) and lying bout frequency (P=0.05) were negatively associated with DIM, while lying bout length (P=0.005) and total duration of lying (P=0.01) were positively associated with DIM. Cows with higher gait scores milked less frequently (P=0.04), and spent more time lying per day (P=0.008) and tended to have more lying bouts per day (P=0.06). Overall, the results of this observational study suggest that the standing and lying behaviour of AMS-milked cows may be influenced by feed delivery frequency, but are more consistently associated with stage of lactation and lameness.

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Park, Yikyung, Mei Wang, Tuo Lan, AnnaLynn M. Williams, Matthew J. Ehrhardt, Emily R. Finch, Jennifer Q. Lanctot, et al. "Abstract A019: Cancer survivor-specific dietary patterns and risk of premature aging in adult survivors of childhood cancer: St. Jude Lifetime (SJLIFE) Cohort." Cancer Research 83, no. 2_Supplement_1 (January 15, 2023): A019. http://dx.doi.org/10.1158/1538-7445.agca22-a019.

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Abstract Background: Childhood cancer survivors are a growing population at elevated risk for premature aging and age-related chronic health conditions (CHCs) compared to the general population. In the general population, diet affects many hallmarks of aging, including inflammation, metabolic dysfunctions, and molecular and epigenetic changes. We examined associations between dietary patterns and risk of premature aging in adult survivors of childhood cancer. Methods: Adult survivors (18-65 years old, mean [SD] age 31 [8.4] years) of childhood cancer enrolled in SJLIFE between 2007 and 2017 completed a 110-item food frequency questionnaire at enrollment (n=2,904). Sociodemographic, cancer, cancer treatments, and health history were abstracted from medical records; CHCs were clinically validated. Factor analysis was performed to identify dietary patterns specific to the study population. Premature aging was assessed using the Deficit Accumulation Index (DAI) based on 45 age-related CHCs and categorized into low (<0.2), medium (0.2-0.34), and high (>0.35) aging risk groups. Odds ratios (OR) and 95% confidence intervals (CI) were estimated using multinomial logistic regressions adjusting for potential confounders, such as sociodemographics, health behaviors, and cancer treatments. Individuals’ factor scores of each pattern were grouped into quintiles, and a median score of each quintile was entered as a continuous term in regression models. Results: 20% of survivors were at medium- and 8% were at high-risk for premature aging. Survivors at high-risk for premature aging were more likely to be female, smokers, have low socioeconomic status, and have received radiation therapy to head and neck, chest, spine, or abdomen compared to those at low premature aging risk. Three dietary patterns were identified: 1) plant-based, 2) fast-food, and 3) Western contemporary. A plant-based diet was characterized by greater intakes of vegetables, fruits, whole grains, and fish. A higher plant-based diet pattern score was associated with a lower risk of premature aging (OR=0.76, 95% CI: 0.62-0.94 for the high-risk group; OR=0.91, 95% CI: 0.79-1.04 for the medium-risk group). A fast-food diet was characterized by greater intakes of sweets, processed meat, refined grains, potato, high-fat dairy, and soda. A fast-food diet was related to a non-significant increased risk of premature aging (OR=1.20, 95% CI: 0.91-1.57 for the high-risk group; OR=1.18, 95% CI: 0.98-1.43 for the medium-risk group). A Western contemporary diet characterized by greater intakes of meat, pasta/rice, pizza, Mexican food, and fruit juice was associated with an increased risk of premature aging (OR=1.36, 95% CI: 1.05-1.78 for the high-risk group; OR=1.04, 95% CI: 0.87-1.26 for the medium-risk group). Conclusion: Our findings suggest that diet plays a role in aging, and a diet rich in plant-based foods may mitigate the risk of premature aging in childhood cancer survivors. Citation Format: Yikyung Park, Mei Wang, Tuo Lan, AnnaLynn M. Williams, Matthew J. Ehrhardt, Emily R. Finch, Jennifer Q. Lanctot, Shu Jiang, Kevin R. Krull, Gregory T. Armstrong, Melissa M. Hudson, Graham A. Colditz, Leslie Robison, Kirsten K. Ness. Cancer survivor-specific dietary patterns and risk of premature aging in adult survivors of childhood cancer: St. Jude Lifetime (SJLIFE) Cohort [abstract]. In: Proceedings of the AACR Special Conference: Aging and Cancer; 2022 Nov 17-20; San Diego, CA. Philadelphia (PA): AACR; Cancer Res 2022;83(2 Suppl_1):Abstract nr A019.

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Yamazaki, Kazuo, Chobei Imai, and Yoshihiro Natuhara. "Rapid population growth and food-plant exploitation pattern in an exotic leaf beetle, Ophraella communa LeSage (Coleoptera : Chrysomelidae), in western Japan." Applied Entomology and Zoology 35, no. 2 (2000): 215–23. http://dx.doi.org/10.1303/aez.2000.215.

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Journal articles on the topic 'Leslie Ford'

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