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The effect of collembolan grazing on fungal activity in differently managed upland pastures: A microcosm study.

Bardgett, R. D. and Frankland, J. C. and Whittaker, J. B. (1993) The effect of collembolan grazing on fungal activity in differently managed upland pastures: A microcosm study. Biology and Fertility of Soils, 16 (4). pp. 255-262. ISSN 1432-0789

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Abstract

Laboratory microcosms containing litter from three tussock grasslands were used to assess the impact of grazing by a collembolan, Onychiurus procampatus, on the abundance, nutrient release, and respiration of the saprotrophic fungus, Phoma exigua. The fungal biomass and respiration rate were significantly reduced only when Collembola were present in excess of mean field densities but perhaps more typical of spatial aggregations in the soil. A high efficiency of nutrient immobilization by P. exigua was demonstrated but nutrient release was not significantly affected by the fauna. Problems associated with the use of microcosms in the simulation of field conditions are discussed.

Item Type: Article
Journal or Publication Title: Biology and Fertility of Soils
Uncontrolled Keywords: Fungal biomass - Respiration - Nutrient cycling - Microcosms - Grass litter - Onychiurus procampatus - Phoma exigua - Collembola
Subjects: G Geography. Anthropology. Recreation > GE Environmental Sciences
Departments: Faculty of Science and Technology > Lancaster Environment Centre
ID Code: 22572
Deposited By: ep_ss_importer
Deposited On: 23 Jan 2009 12:20
Refereed?: Yes
Published?: Published
Last Modified: 26 Jul 2012 16:02
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/22572

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