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Manganese in the haemolymph and tissues of the Norway lobster, Nephrops norvegicus (L.), along the Swedish west coast, 1993-1995
Eriksson, S.P.; Baden, S.P. (1998). Manganese in the haemolymph and tissues of the Norway lobster, Nephrops norvegicus (L.), along the Swedish west coast, 1993-1995, in: Baden, S. et al. Recruitment, colonization, and physical-chemical forcing in marine biological systems: Proceedings of the 32nd European Marine Biology Symposium, held in Lysekil, Sweden, 16-22 August 1997. Developments in Hydrobiology, 132: pp. 255-264. https://dx.doi.org/10.1007/978-94-017-2864-5_21
In: Baden, S. et al. (1998). Recruitment, colonization, and physical-chemical forcing in marine biological systems: Proceedings of the 32nd European Marine Biology Symposium, held in Lysekil, Sweden, 16-22 August 1997. Developments in Hydrobiology, 132. Springer Science+Business Media: Dordrecht. ISBN 978-0-7923-5273-0; e-ISBN 978-94-017-2864-5. IX, 380 pp. https://dx.doi.org/10.1007/978-94-017-2864-5, more
In: Dumont, H.J. (Ed.) Developments in Hydrobiology. Kluwer Academic/Springer: The Hague; London; Boston; Dordrecht. ISSN 0167-8418, more
Related to:
Eriksson, S.P.; Baden, S.P. (1998). Manganese in the haemolymph and tissues of the Norway lobster, Nephrops norvegicus (L.), along the Swedish west coast, 1993-1995. Hydrobiologia 375: 255-264. https://dx.doi.org/10.1023/A:1017065107442, more

Available in  Authors 
Document type: Conference paper

Keywords
    Anoxic conditions
    Biological phenomena > Accumulation > Bioaccumulation
    Biological stress
    Chemical elements > Metals > Transition elements > Heavy metals > Manganese
    Diseases > Human diseases > Hypoxia
    Fluids > Body fluids > Haemolymph
    Nephrops norvegicus (Linnaeus, 1758) [WoRMS]
    ANE, Sweden [Marine Regions]
    Marine/Coastal

Authors  Top 
  • Eriksson, S.P.
  • Baden, S.P.

Abstract
    Spatial and temporal differences in manganese levels in Norway lobsters, Nephrops norvegicus, were compared with the concentrations of manganese in their environment. Animals were collected twice yearly (spring and autumn) from seven stations along the Swedish west coast and from one site in the Faroe Islands, during 1993–94, and analysed for manganese tissue concentration and content. Animals were also collected from the Swedish stations in the autumn of 1995 and compared with animals from a stressful environment, frequently exposed to hypoxia.

    There were large spatial differences and the animals collected in the Faroe Islands contained (in most tissues) one order of magnitude less manganese than the animals collected along the Swedish west coast. The manganese level of the haemolymph correlated most closely with the manganese concentration the animal was exposed to in the field. The manganese concentration of the female gonad tissue did however not differ with space nor time and remained stable around 5.1 µg Mn g−1 dw tissue throughout the investigation.

    Animals taken from an area with known repeated hypoxia in the bottom water, had high levels of manganese in especially the gills. Their mean manganese concentration was over 20 times higher (1560 µg Mn g−1 dw tissue) than the manganese concentration in animals from the other Swedish stations. They also had more than threefold the amount of manganese in the brain, giving a mean concentration of 193 µg Mn g−1 dw tissue.


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