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A comparative analysis was made as regards the consumption of eight species of spiders. The regression functions determining the relation between the body weight and daily consumption of an individual allow to state that there may be significant differences in the food demand of particular species. The consumption under laboratory and field conditions (on a meadow Stellario-Deschampsietum medioeuropaeum) was compared. The changes in the consumption range were examined when the number of prey supplied increased. Under laboratory conditions the food was most effectively consumed under conditions of food shortage. In the field, the consumption depended on the number of emerging dipterans and not on their mean density.
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Projects co-financed by:
Operational Program Digital Poland, 2014-2020, Measure 2.3: Digital accessibility and usefulness of public sector information; funds from the European Regional Development Fund and national co-financing from the state budget.