CollettDesplandSimpsonEtAl1998

Reference

Collett, M., Despland, E., Simpson, S.J. and Krakauer, D.C. (1998) Spatial scales of desert locust gregarization. Proceedings of the National Academy of Sciences of the United States of America, 95(22):13052-13055.

Abstract

Central to swarm formation in migratory locusts is a crowding-induced change from a 'solitarious' to a 'gregarious' phenotype. This change can occur within the lifetime of a single locust and accrues across generations. It represents an extreme example of phenotypic plasticity. We present computer simulations and a laboratory experiment that show how differences in resource distributions, conspicuous only at small spatial scales, can have significant effects on phase change at the population level; local spatial concentration of resource induces gregarization. Simulations also show that populations inhabiting a locally concentrated resource tend to change phase rapidly and synchronously in response to altered population densities. Our results show why information about the structure of resource at small spatial scales should become key components in monitoring and control strategies.

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@ARTICLE { CollettDesplandSimpsonEtAl1998,
    AUTHOR = { Collett, M. and Despland, E. and Simpson, S.J. and Krakauer, D.C. },
    TITLE = { Spatial scales of desert locust gregarization },
    JOURNAL = { Proceedings of the National Academy of Sciences of the United States of America },
    YEAR = { 1998 },
    VOLUME = { 95 },
    PAGES = { 13052-13055 },
    NUMBER = { 22 },
    NOTE = { 00278424 (ISSN) Cited By (since 1996): 34 Export Date: 27 April 2007 Source: Scopus CODEN: PNASA doi: 10.1073/pnas.95.22.13052 Language of Original Document: English Correspondence Address: Simpson, S.J.; Department of Zoology; University of Oxford; South Parks Road Oxford OX1 3PS, United Kingdom; email: stephen.simpson@zoo.ox.ac.uk References: Uvarov, G.B., (1966) Grasshoppers and Locusts, , Cambridge Univ. Press, Cambridge, U.K; Pener, M.P., (1991) Adv. Insect Physiol., 23, pp. 1-79; Pener, M.P., Yerushalmi, Y., (1998) J. Insect Physiol., 44, pp. 365-377; Roessingh, P., Simpson, S.J., James, S., (1993) Proc. R. Soc. London Ser. B, 252, pp. 43-49; Roessingh, P., Simpson, S.J., (1994) Physiol. Entomol., 19, pp. 191-197; Islam, M.S., Roessingh, P., Simpson, S.J., McCaffery, A.R., (1994) J. Insect Physiol., 40, pp. 173-181; Islam, M.S., Roessingh, P., Simpson, S.J., McCaffery, A.R., (1994) Proc. R. Soc. London Ser. B, 257, pp. 93-98; Bouaichi, A., Roessingh, P., Simpson, S.J., (1995) Physiol. Entomol., 20, pp. 199-208; Saupe, D., (1988) The Science of Fractal Images, pp. 71-136. , eds. Peitgen, H.-O. \& Saupe, D. (Springer, New York); Bouaichi, A., Simpson, S.J., Roessingh, P., (1996) Phys. Entomol., 21, pp. 247-256; Heifetz, Y., Voet, H., Applebaum, S.W., (1996) J. Chem. Ecol., 22, pp. 1717-1734; Roessingh, P., Bouaichi, A., Simpson, S.J., (1998) J. Insect Physiol., 44, pp. 883-893; Skaf, R., Popov, G.B., Roffey, J., (1990) Philos. Trans. R. Soc. London B, 328, pp. 525-538; Kennedy, J.S., (1939) Trans. R. Entomol. Soc. London, 89, pp. 385-542; Roffey, J., Popov, G.B., (1968) Nature (London), 219, pp. 446-450; Cheke, R.A., Holt, J., (1993) Ecol. Entomol., 18, pp. 109-115; Holt, J., Cheke, R.A., (1996) Ecol. Modell., 91, pp. 131-137; Sugihara, G., (1995) Nature (London), 378, pp. 559-560; Blackith, R.E., Albrecht, F.O., (1979) Acrida, 8, pp. 83-94; Farrow, R.A., Longstaff, B.C., (1986) Oikos, 46, pp. 207-222; Wright, D.E., (1987) Aust. J. Ecol., 12, pp. 423-437; Joern, A., Gaines, S.B., (1990) Biology of Grasshoppers, pp. 415-482. , eds. Chapman, R. F. \& Joern, A. (Wiley, New York); Roffey, J., (1990) Desert Locust Population Dynamics: a Preliminary Approach to a Simulation Model, , Food and Agriculture Organization, Rome; Launois, M., Duranton, J.-F., Launois-Luong, M.H., Lecoq, M., Popov, G.B., Gaye, P.-E., Gigault, J., Foucart, A., (1992) Pre?sentation Resume?e du Biomode?le SGR, , Ministe?re de la coope?ration et du de?veloppement, Paris; El-Bashir, S., Inayatullah, C., Ahmed, A.O., Abdelrahman, H.E., (1993) Int. J. Pest Manage., 39, pp. 467-470; Nailand, P., Hanrahan, S.A., (1993) S. Afr. J. Sci., 89, pp. 420-424. },
    ABSTRACT = { Central to swarm formation in migratory locusts is a crowding-induced change from a 'solitarious' to a 'gregarious' phenotype. This change can occur within the lifetime of a single locust and accrues across generations. It represents an extreme example of phenotypic plasticity. We present computer simulations and a laboratory experiment that show how differences in resource distributions, conspicuous only at small spatial scales, can have significant effects on phase change at the population level; local spatial concentration of resource induces gregarization. Simulations also show that populations inhabiting a locally concentrated resource tend to change phase rapidly and synchronously in response to altered population densities. Our results show why information about the structure of resource at small spatial scales should become key components in monitoring and control strategies. },
    KEYWORDS = { animal behavior Animalia Locusta migratoria Orthoptera Schistocerca gregaria },
    OWNER = { racinep },
    TIMESTAMP = { 2007.09.07 },
}

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