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Haaren, T. van

AuthorsT. van Haaren, M. Soes, R. Munts
TitleBranchiodrilus hortensis, een nieuwe exotische borstelworm in Nederland (Annelida: Oligochaeta)
JournalNederlandse Faunistische Mededelingen
KeywordsVerspreiding; Nederland; Exoot; Biotoop
AbstractBranchiodrilus hortensis, an exotic worm new for the Dutch fauna (Annelida: Oligochaeta)
The peculiar naidid worm Branchiodrilus hortensis (Stephenson, 1910) is recorded new for the
Netherlands. In 2002 and 2003 several specimens were collected from three localities in and near
the Giessen, a small, slow-flowing river near Gorinchem (province of Zuid-Holland). In 2004
numerous specimens were collected in the small river Aa in the city of Den Bosch (province
of Noord-Brabant). These freshwater localities (Cl 50-143 mg/l) are eutrofic, slightly alkaline
(pH 7.3-8.6) and with a reasonable oxygen-level (saturation > 70%). Branchiodrilus hortensis is
known from southern Asia, Australia and Africa. It is not known how this species has become
introduced into the Netherlands, but exotic water plants from gardens are a likely vector. These
records are the first in Europe.
Document typearticle
Download paperpdf document http://www.repository.naturalis.nl/document/94027