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Behavioral Ecology and Sociobiology

, Volume 58, Issue 6, pp 545–551 | Cite as

Locating food in a spatially heterogeneous environment: Implications for fitness of the macrodecomposer Armadillidium vulgare (Isopoda: Oniscidea)

  • Joanne M. TuckEmail author
  • Mark Hassall
Original Article

Abstract

To assess the fitness consequences of foraging on patchy resources, consumption rates, growth rates and survivorship of Armadillidium vulgare were monitored while feeding in arenas in which the spatial distribution of patches of high quality food (powdered dicotyledonous leaf litter) was varied within a matrix of low quality food (powdered grass leaf litter). Predictions from behavioural experiments that these fitness correlates would be lower when high quality food is more heterogeneously distributed in space were tested but not supported either by laboratory or field experiments. To investigate whether A. vulgare can develop the ability to relocate high quality food patches, changes in foraging behaviour, over a comparable time period to that used in the fitness experiments, were monitored in arenas in which there was a high quality food patch in a low quality matrix. A. vulgare increased its ability to relocate the position of high quality food over time. It reduced time spent in low quality food matrices and increased time spent in high quality food patches with time after the start of the experiment. When the position of a high quality food patch was moved, the time spent in the low quality food matrix increased and less time was spent in high quality food patches, compared to arenas in which the food was not moved. The fitness benefits for saprophages of developing the ability to relocate high quality patches while foraging in spatially heterogeneous environments are discussed.

Keywords

Orientation behaviour Learning Resource patchiness Growth Terrestrial isopods 

Notes

Acknowledgements

We are very grateful to Jenny Stevenson for help with the fieldwork. This work was funded by a studentship from the Natural Environment Research Council. We thank two anonymous referees for helpful comments on an earlier version of this paper

References

  1. Belovsky GE (1978) Diet optimization in a generalist herbivore: moose. Theor Popul Biol 14:105–134CrossRefPubMedGoogle Scholar
  2. Belovsky GE (1984) Herbivore optimal foraging: a comparative test of three models. Am Nat 124:97–115CrossRefGoogle Scholar
  3. Bernays EA, Chapman RF (1994) Host-plant selection by phytophagous insects. Chapman & Hall, New York, LondonGoogle Scholar
  4. Bernays EA, Wrubel RP (1985) Learning by grasshoppers: association of colour/light intensity with food. Physiol Entomol 10:359–369Google Scholar
  5. Cadish G, Giller KE (1997) Driven by nature: plant litter quality and decomposition. CAB International, WallingfordGoogle Scholar
  6. Charnov EL (1976) Optimal foraging, the marginal value theorem. Theor Popul Biol 9:129–136CrossRefPubMedGoogle Scholar
  7. Crawley MJ (1983) Herbivory: the dynamics of animal–plant interactions. Blackwell Scientific Publications, OxfordGoogle Scholar
  8. Cunningham JP, West SA, Wright DJ (1998) Learning in the nectar foraging behaviour of Helicoverpa armigera. Ecol Entomol 23:363–369CrossRefGoogle Scholar
  9. Cuthill IC, Kacelnik A, Krebs JR, Haccou P, Icurasa Y (1990) Patch use by starlings: the effect of recent experience on foraging decisions. Anim Behav 40:625–640Google Scholar
  10. De Perera TB (2004) Spatial parameters encoded in the spatial map of the blind Mexican cave fish, Astyanax fasciatus. Anim Behav 68:291–295CrossRefGoogle Scholar
  11. Dukas R, Real LA (1991) Learning foraging tasks by bees: a comparison between social and solitary species. Anim Behav 42:269–276Google Scholar
  12. Dyer FC (1996) Spatial memory and navigation by honeybees on the scale of the foraging range. J Exp Biol 199:147–154PubMedGoogle Scholar
  13. Egas M, Norde DJ, Sabelis MW (2003) Adaptive learning in arthropods: spider mites learn to distinguish food quality. Exp Appl Acarol 30:233–247CrossRefPubMedGoogle Scholar
  14. Goldberg LA, Hart WE, Wilson DB (1999) Learning foraging thresholds for lizards: an analysis of a simple learning algorithm. J Theor Biol 197:361–369CrossRefPubMedGoogle Scholar
  15. Gunnarsson T (1987) Selective feeding on a maple leaf by Oniscus asellus (Isopoda). Pedobiology 30:161–165Google Scholar
  16. Hammer M, Menzel R (1995) Learning and memory in the honeybee. J Neurosci 15:1617–1630PubMedGoogle Scholar
  17. Hassall M (1996) Spatial variation in favourability of a grass heath as a habitat for woodlice (Isopoda: Oniscidea). Pedobiology 40:514–528Google Scholar
  18. Hassall M, Riddington R, Helden A (2001) Foraging behaviour of brent geese, Branta b. bernicla, on grasslands: effects of sward length and nitrogen content. Oecologia 127:97–104CrossRefGoogle Scholar
  19. Hassall M, Rushton SP (1984) Feeding behaviour of terrestrial isopods in relation to plant defences and microbial decay. In: Sutton SL, Holdich D (eds) Proceedings of the Zoological Society of London, Symposium No. 53, pp 487–505Google Scholar
  20. Hassall M, Tuck JM, Smith DW, Gilroy JJ, Addison RK (2002) Effects of spatial heterogeneity on feeding behaviour of Porcellio scaber (Isopoda: Oniscidea). Eur J Soil Biol 38:53–57CrossRefGoogle Scholar
  21. Hoffmann G (1985) The influence of landmarks on the systematic search behavior of the desert isopod Hemilepistus reaumuri. 1. Role of the landmark made by the animal. Behav Ecol Sociobiol 17:325–334CrossRefGoogle Scholar
  22. Howery LD, Bailey DW, Ruyle GB, Renken WJ (2000) Cattle use visual cues to track food locations. Appl Anim Behav Sci 67:1–14CrossRefPubMedGoogle Scholar
  23. Hughes RN, Blight CM (2000) Two intertidal fish species use visual association learning to track the status of food patches in a radial maze. Anim Behav 59:613–621CrossRefPubMedGoogle Scholar
  24. Hughes RN, Seed R (1995) Behavioural mechanisms of prey selection in crabs. J Exp Marine Biol Ecol 193:225–238CrossRefGoogle Scholar
  25. Krebs JR, Inman AJ (1992) Learning and foraging: individuals, groups and populations. Am Nat 140 Suppl 5:563–584Google Scholar
  26. Krebs JR, Kacelnik A, Taylor P (1978) Test of optimal sampling by foraging great tits. Nature 275:27–31Google Scholar
  27. Krebs JR, McCleery RH (1984) Optimization in behavioural ecology. In: Krebs JR, Davies NB (eds) Behavioural ecology: an evolutionary approach. Blackwell Scientific Publications, Oxford, pp 91–121Google Scholar
  28. Lawlor LR (1976) Parent investment and offspring fitness in the terrestrial isopod Armadillidum vulgare (Latr.) (Crustacea: Oniscoidea). Evolution 31:775–785Google Scholar
  29. McNaughton SJ (1988) Mineral nutrition and spatial concentrations of African ungulates. Nature 334:343–345CrossRefPubMedGoogle Scholar
  30. McNaughton SJ (1990) Mineral nutrition and seasonal movements of African migratory ungulates. Nature 345:613–615CrossRefGoogle Scholar
  31. Ney-Nifle M, Keasar T, Shmida A (2001) Location and colour learning in bumblebees in a two-phase conditioning experiment. J Insect Behav 14:697–711CrossRefGoogle Scholar
  32. Parsons AJ, Dumont B (2003) Spational heterogeneity and grazing processes. Anim Res 52:161–179CrossRefGoogle Scholar
  33. Rebar CE (1995) Ability of Dipodomys-merriami and Chaetodipus-intermedius to locate resource distributions. J Mammal 76:437–447Google Scholar
  34. Rushton SP, Hassall M (1983) The effects of food quality on the life history parameters of the terrestrial isopod Armadillidium vulgare (Latreille). Oecologia 57:257–261CrossRefGoogle Scholar
  35. Rushton SP, Hassall M (1987) Effects of food quality on isopod population dynamics. Funct Ecol 1:359–367Google Scholar
  36. Siemers BM (2001) Finding prey by associative learning in gleaning bats: experiments with a Natterer’s bat Myotis nattereri. Acta Chiropterol 3:211–215Google Scholar
  37. Shettleworth SJ, Krebs JR, Stephens DW, Gibbon J (1988) Tracking a fluctuating environment: a study of sampling. Anim Behav 36:87–105Google Scholar
  38. Stephens DW, Krebs JR (1986) Foraging theory. In: Krebs JR, Clutton-Brock T (eds) Monographs in behavior and ecology. Princeton University Press, Princeton, New JerseyGoogle Scholar
  39. Sumpter DJT, Beekman M (2003) From nonlinearity to optimality: pheromone trail foraging by ants. Anim Behav 66:273–280CrossRefGoogle Scholar
  40. Takeda N (1984) The aggregation phenomenon in terrestrial isopods. In: Sutton SL, Holdich DM (eds) The biology of terrestrial isopods. Proceedings of a symposium held at the Zoological Society of London on 7th and 8th of July 1983, vol 53, pp 381–404, Clarendon, OxfordGoogle Scholar
  41. Tamm S (1987) Tracking varying environments:sampling by hummingbirds. Anim Behav 35:1725–1734Google Scholar
  42. Tinbergen N, van Kruyt W (1938) Über die Orientierung des Bienenwolfes (Philanthus triangulum Fabr.). III. Die Bevorzugung bestimmter Wegmarken. Z Vergl Physiol 25:292–334Google Scholar
  43. Tuck JM (2001) Effects of spatial heterogeneity on the ecology of terrestrial isopods. PhD Thesis, University of East Anglia, NorwichGoogle Scholar
  44. Tuck JM, Hassall M (2004) Foraging behaviour of Armadillidium vulgare (Isopoda: Oniscidea) in heterogeneous environments. Behaviour 141:233–244CrossRefGoogle Scholar
  45. Tumlinson JH, Turlings TCJ, Lewis WJ (1993) Semiochemically mediated foraging behavior in beneficial parasitic insects. Arch Insect Biochem Physiol 22:385–391CrossRefGoogle Scholar
  46. Vet LEM, De Jong AG, Franchi E, Papaj DR (1998) The effect of complete versus incomplete information on odour discrimination in a parasitic wasp. Anim Behav 55:1271–1279CrossRefPubMedGoogle Scholar
  47. Warburton K (2003) Learning of foraging skills by fish. Fish Fisheries 4:203–215CrossRefGoogle Scholar
  48. White TCR (1993) The inadequate environment: nitrogen and the abundance of animals. Springer-Verlag, BerlinGoogle Scholar
  49. Wilmshurst JF, Fryxell JM, Hudson RJ (1995) Forage quality and patch choice by wapiti (Cervus elaphus). Behav Ecol 6:209–217Google Scholar
  50. Zimmer M, Kautz G, Topp W (1996) Olfaction in terrestrial isopods (Isopoda: Oniscidea): the responses of Porcellio scaber to the odour of litter. Eur J Soil Biol 32:141–147Google Scholar

Copyright information

© Springer-Verlag 2005

Authors and Affiliations

  1. 1.Centre for Ecology, Evolution and Conservation, School of Environmental SciencesUniversity of East AngliaNorwichUK

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