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|Epigeic Collembola in winter wheat under organic, integrated and conventional farm management regimes
Frampton, Geoff K
|Alvarez T, Frampton GK & Goulson D (2001) Epigeic Collembola in winter wheat under organic, integrated and conventional farm management regimes. Agriculture, Ecosystems and Environment, 83 (1-2), pp. 95-110. https://doi.org/10.1016/S0167-8809%2800%2900195-X
|Community characteristics of Collembola assemblages in conventional, integrated and organic fields of winter wheat were compared among three randomly chosen areas in England using analysis of similarities, cluster analysis, multi-dimensional scaling and several measures of diversity and evenness. Indicator values were used to identify indicator species. Significant differences were found in the abundance of most species and in community structure among the three geographical regions but few differences between the farming regimes were significant. Despite a lack of significant differences among regimes, Entomobrya multifasciata and Isotomurus spp. were consistently, although not significantly more common in conventional than organic fields whereas the opposite was true for Isotoma viridis and Isotoma notabilis. Farming regime significantly affected the abundance of Sminthurinus elegans and Sminthurus viridis but the effect differed between geographical regions. Community composition and species dominance were influenced by farming regime, but no species were indicative of the different farming systems, as most occurred ubiquitously in all fields. Organically and conventionally farmed fields were found not to differ significantly from each other in community composition, but both differed from integrated fields. These findings are compared with the results from other recent European studies of the effects of farming systems on arthropods and their wider ecological implications are discussed.
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