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Esterase variation in the periwinkle Littorina littorea, along the western and eastern Scheldt estuarium
De Wolf, H.; Jordaens, K.; Reusens, E.; Blust, R.; Backeljau, T. (2001). Esterase variation in the periwinkle Littorina littorea, along the western and eastern Scheldt estuarium. Mar. Environ. Res. 52(4): 373-382. dx.doi.org/10.1016/S0141-1136(01)00091-5
In: Marine Environmental Research. Applied Science Publishers: Essex. ISSN 0141-1136, more
Peer reviewed article

Also published as
  • De Wolf, H.; Jordaens, K.; Reusens, E.; Blust, R.; Backeljau, T. (2001). Esterase variation in the periwinkle Littorina littorea, along the western and eastern Scheldt estuarium, in: (2001). VLIZ Coll. Rep. 31(2001). VLIZ Collected Reprints: Marine and Coastal Research in Flanders, 31: pp. chapter 26 [Subsequent publication], more

Available in Authors 
    VLIZ: Open Repository 56882 [ OMA ]

Keywords
    Enzymes; Heavy metals; Indicator species; Pollution effects; Salinity; Littorina littorea (Linnaeus, 1758) [WoRMS]; Belgium, Zeeschelde [gazetteer]; Marine
Author keywords
    esterases; heavy metals; Littorina littorea; salinity; Scheldt estuary

Authors  Top 
  • De Wolf, H., more
  • Jordaens, K., more
  • Reusens, E.

Abstract
    Variation in esterase expression (EST) has been investigated in 360 specimens of the periwinkle Littorina littorea, collected at nine sites along the polluted western Scheldt and the relatively clean eastern Scheldt estuary. Mean number of EST bands differed among the sites, while a Dice similarity based multi-dimensional scaling along with a minimum spanning tree procedure, revealed an estuary based structuring, clustering the most polluted and least saline Eke sites together. The underlying factors and mechanisms (i.e. selection, regulation) which are responsible for this structuring remain to be determined.

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