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Respiratory rates of Asellus aquaticus measured at 10 and 15°C in volumetric respirometers were used for calculation of predictive and functional regressions for respiration-weight dependence in this species. Predictive regression coefficient b was 0.787 at 10°C, 0.828 at l5°C, its average value of 0.807 being almost identical with that reported by Winberg (1950) for all Crustacea. Functional regression coefficient v equalled to 1.033, 0.969, and 1.001, respectively. Using v instead of b in the case of A. aquaticus would change the biological interpretation of respiration-weight dependence making it totally dependent on weight. The predictive and functional regression equations were recalculated for 20°C acc. to the "normal curve" (Winberg 1956b, 1968) and Q10 value assessed for A. aquaticus by the author.
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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.