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Oxygen consumption of the earthworm species .i.Dendrobaena mrazeki./i

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    0331984 - BC 2010 RIV FR eng J - Článek v odborném periodiku
    Šustr, Vladimír - Pižl, Václav
    Oxygen consumption of the earthworm species Dendrobaena mrazeki
    European Journal of Soil Biology. Roč. 45, 5-6 (2009), s. 478-482. ISSN 1164-5563. E-ISSN 1778-3615
    Grant CEP: GA ČR GA206/03/0056
    Výzkumný záměr: CEZ:AV0Z60660521
    Klíčová slova: earthworms * Dendrobaena mrazeki * respiration rate
    Kód oboru RIV: EH - Ekologie - společenstva
    Impakt faktor: 1.247, rok: 2009

    Dendrobaena mrazeki is an endemic earthworm species inhabiting dry habitats such as pine and thermophilous oak forests in Central Europe. Metabolically, D. mrazeki showed some features typical for endogeic species and some of epigeic ones. In comparison with the related Dendrobaena octaedra, D. mrazeki was a larger earthworm with fresh body mass of adult and subadult individuals of W = 0.59±0.05 g. Its body mass-specific oxygen consumption (M/W = 48±5 µl O2g-1h-1, at 15 °C) was the lowest of all earthworms studied(Aporrectodea caliginosa, A. rosea, D. octaedra, Lumbricus castaneus, L. rubellus, Octolasion lacteum), being strongly dependent on W (b from the equation M/W = aWb about -0.8). D. mrazeki had low relative water content (77.4% of fresh body mass) and small relative amount of dry weight of the intestinal content(20.1% of dry body mass), which is similar to the epigeic D. octaedra.
    Trvalý link: http://hdl.handle.net/11104/0177352

     
     
Počet záznamů: 1  

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