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RECENT SPREAD AND PRESENT DISTRIBUTION OF THE BARNACLE ELMINIUS MODESTUS DARWIN IN NORTH‐WEST EUROPE
Author(s) -
BARNES H.,
BARNES MARGARET
Publication year - 1960
Publication title -
proceedings of the zoological society of london
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.915
H-Index - 96
eISSN - 1469-7998
pISSN - 0370-2774
DOI - 10.1111/j.1469-7998.1960.tb05836.x
Subject(s) - barnacle , darwin (adl) , distribution (mathematics) , geography , zoology , biology , ecology , crustacean , engineering , mathematics , mathematical analysis , systems engineering
An account is given of the further spread of Elminius modestus along the German coast north of the Elbe towards the Danish coast. The population at Cuxhaven has spread to the outer estuary and Balanus balanoides is at several places in danger of extinction. Elminius modestus is now well established in several small harbours as well as on parts of the open coast between Cuxhaven and Dagbüller Hafen. The harbour populations have most probably been established by shipping but some marginal dispersion is taking place at suitable places. The species is absent north of Dagbüller Hafen: it has not yet reached Danish waters either by marginal dispersion or by a vector carrying it into any of the ports. Elminius modestus has not reached the north‐eastern German coast.