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The geographical distribution and the growth of the wood-boring molluscs Teredo navalis L., Psiloteredo megotara (Hanley) and Xylophaga dorsalis (Turton) on the Swedish west coast
Norman, E. (1977). The geographical distribution and the growth of the wood-boring molluscs Teredo navalis L., Psiloteredo megotara (Hanley) and Xylophaga dorsalis (Turton) on the Swedish west coast. Ophelia 16(2): 233-250
In: Ophelia: International Journal of Marine Biology. Ophelia Publications: Helsingør. ISSN 0078-5326
Peer reviewed article  
Beschikbaar in  Auteur 
Trefwoorden
    Aquatic organisms > Boring organisms
    Aquatic organisms > Burrowing organisms
    Aquatic organisms > Fouling organisms
    Distribution > Geographical distribution
    Population functions > Growth
    Sweden
    Psiloteredo megotara (Hanley, 1848) [WoRMS]; Teredo navalis Linnaeus, 1758 [WoRMS]; Xylophaga dorsalis (W. Turton, 1819) [WoRMS]
    Sweden [Marine Regions]
    Marien/Kust
Auteur  Top 
  • Norman, E.
Abstract
    Teredo navalis has been found along the west coast of Sweden from the Norwegian border to Klagshamn in the Oresund. Psiloteredo megotara also occurs along the west coast to Molle, in the northern Oresund. Between 1971 and 1975, a study was conducted at the Kristineberg Marine Biology Station on the growth of T. navalis and P. megotara. A negative correlation was noted between the population density of T. navalis and the growth of both T. navalis and P. megotara during this period. At the lowest mean specimen density, 22 per dm², 44 per cent of T. navalis were longer than 10 mm (November 1974) whereas only 5 per cent had reached this length (December 1971) at the highest density, 268 specimens per dm². The mean lengths of P. megotara at the corresponding times were 112 mm and 74 mm, respectively. Over a 10-month period at the Borno Hydrographical Station Xylophaga dorsalis burrows reached a mean length of 21.1 mm and a mean diameter of 7.7 mm.
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