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The energy production of juvenile Arenicola marina (Polychaeta) under anoxic and hypoxic conditions
Schiedek, D.; Schöttler, U. (1990). The energy production of juvenile Arenicola marina (Polychaeta) under anoxic and hypoxic conditions. Helgol. Meeresunters. 44(2): 135-145. http://dx.doi.org/10.1007/BF02365461
In: Helgoländer Meeresuntersuchungen. Biologische Anstalt Helgoland: Hamburg. ISSN 0174-3597, meer
Peer reviewed article  
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Trefwoorden
    Acids > Organic compounds > Organic acids > Amino acids
    Acids > Organic compounds > Organic acids > Fatty acids
    ANE, Germany, Schleswig-Holstein, Sylt I.
    Chemical compounds > Organic compounds > Carbohydrates
    Chemical compounds > Organic compounds > Carbohydrates > Glycogen
    Developmental stages > Juveniles
    Energy budget
    Metabolism > Animal metabolism
    Oxygen consumption
    Topographic features > Landforms > Coastal landforms > Tidal flats
    Arenicola marina (Linnaeus, 1758) [WoRMS]
    Sylt [Marine Regions]
    Marien/Kust
Auteurs  Top 
  • Schiedek, D., meer
  • Schöttler, U.
Abstract
    The mode of anaerobic energy production of juvenile Arenicola marina (0-generation) was investigated under experimental conditions and in the biotope. Under experimental anaerobic conditions, juvenile A. marina produce energy by the pathways known from the adults and other euryoxic invertebrates with succinate and the volatile fatty acids, acetate and propionate, as main end products. However, the juvenile lugworms are less resistant to anoxia than the adults. The reasons for this might be their small glycogen stores and their limited ability to reduce the metabolic rate. Nevertheless, on the tidal flats the juveniles settle particularly in the area next to the high tide line, which offers such extreme conditions that adult lugworms cannot live there. This different behaviour can be explained by the dissimilar ability to use oxygen at very low partial pressures.
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