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The population metabolism and life history tactics of Neobisium muscorum (Leach) (Arachnida: Pseudoscorpiones)

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Summary

The population metabolism of N. muscorum at a beechwood site in southern England was determined for two separate year periods by two methods; a detailed computer analysis and a ‘best estimate’. These methods, which are based on data of biomass, population dynamics, field temperatures, and respiration rates of all life stages with temperature, are compared. The validity of extrapolating laboratory determined basal metabolic rates to field activity is discussed; and the population metabolism of N. muscorum is compared with that reported for other soil and litter invertebrate species, both predatory and non-predatory.

The metabolic rates of the adults of a second species of pseudoscorpion found at the beechwood site (Chthonius orthodactylus (Leach)), were determined, and the life cycle and metabolism of this species is compared to N. muscorum. The influence of low environmental temperatures on poikilothermic predators, with reference to life cycle strategies, basal metabolism and geographic distribution, is discussed.

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  1. Susan J. Goddard

    Present address: Department of Zoology, University of Durham, Durham

Authors and Affiliations

  1. Department of Zoology, School of Biological Sciences, University of Leicester, Leicester, UK

    Susan J. Goddard

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  1. Susan J. Goddard
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Goddard, S.J. The population metabolism and life history tactics of Neobisium muscorum (Leach) (Arachnida: Pseudoscorpiones). Oecologia 42, 91–105 (1979). https://doi.org/10.1007/BF00347621

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  • DOI: https://doi.org/10.1007/BF00347621

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