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Tubificoides benedii (Tubificidae, Oligochaeta): a pioneer in hypoxic and sulfidic environments: an overview of adaptive pathways
Giere, O.; Preusse, J.-H.; Dubilier, N. (1999). Tubificoides benedii (Tubificidae, Oligochaeta): a pioneer in hypoxic and sulfidic environments: an overview of adaptive pathways, in: Healy, B.M. et al. Aquatic Oligochaetes: Proceedings of the 7th International Symposium on Aquatic Oligochaetes held in Presque Isle, Maine, USA, 18-22 August 1997. Developments in Hydrobiology, 139: pp. 235-241. https://dx.doi.org/10.1007/978-94-011-4207-6_23
In: Healy, B.M.; Reynoldson, T.B.; Coates, K.A. (Ed.) (1999). Aquatic Oligochaetes: Proceedings of the 7th International Symposium on Aquatic Oligochaetes held in Presque Isle, Maine, USA, 18-22 August 1997. Reprinted from Hydrobiologia, vol. 406. Developments in Hydrobiology, 139. Springer Science+Business Media: Dordrecht. ISBN 978-94-010-5829-2; e-ISBN 978-94-011-4207-6. XIV, 290 pp. https://dx.doi.org/10.1007/978-94-011-4207-6
In: Dumont, H.J. (Ed.) Developments in Hydrobiology. Kluwer Academic/Springer: The Hague; London; Boston; Dordrecht. ISSN 0167-8418, meer
Is gerelateerd aan:
Giere, O.; Preusse, J.-H.; Dubilier, N. (1999). Tubificoides benedii (Tubificidae, Oligochaeta) - a pioneer in hypoxic and sulfidic environments: an overview of adaptive pathways. Hydrobiologia 406: 235-241. https://dx.doi.org/10.1023/A:1003711914788, meer
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Documenttype: Congresbijdrage
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  • Giere, O.
  • Preusse, J.-H.
  • Dubilier, N.
Abstract
    Eutrophic tidal flats and polluted coastal sites are the predominant habitat of the marine oligochaete Tubificoides benedii. The worms live in dense populations in these stressed habitats which are often characterized by high levels of hydrogen sulfide. This indicates that they have a high capacity to tolerate anoxic (and sulfidic) conditions. Respiration rates of T. benedii measured at various oxygen concentrations showed that aerobic respiration is maintained even at very low oxygen concentrations. This ability is combined with a high regulatory capacity of oxygen uptake. Addition of sulfide considerably reduced this capacity of maintaining aerobic metabolic pathways at low oxygen concentrations. The present work in relation to earlier physiological and structural studies (Giere et al., 1988; Dubilier et al., 1994, 1995, 1997) suggests adaptive strategies that make T. benedii one of the most successful inhabitants of ecologically stressed, sulfidic benthic environments. This is corroborated by comparison with other typical 'sulfide annelids' such as the polychaetes Capitella capitata and Arenicola marina.
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