Invading Europe: the tropical aquatic worm Branchiodrilus hortensis (Stephenson, 1910) (Clitellata, Naididae) extends its range
2021
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We report the occurrence of non-indigenous Branchiodrilus hortensis (Stephenson,
1910) in Serbia and its rapid spread in Southeast Europe. These new findings were
observed at locations about 1000 Rkm downstream from the nearest known record
in the Danube (in July 2008) in the middle part of the river section in the Slovak-
Hungarian part. Branchiodrilus hortensis was registered for the first time in Serbia
in September 2018 during routine monitoring of the Danube River in the lower part
of the river section. Since then, we have continuously found this species in the Serbian
part of the Danube, and it has spread to the main tributaries and canals of the Danube
basin. These new records are a valuable contribution to the knowledge of this species’
distribution. Recent findings and the native distribution of this worm suggest that
its introduction in the Danube was probably human-mediated, and it has successfully
established its niche in the new environment. At this phase we cannot predict the
possible effects of its presence on aquatic ecosystems and therefore further
monitoring of its distribution and population dynamics is necessary.
Кључне речи:
Oligochaeta; New records; Invasive species; Serbia; Danube; Southeast EuropeИзвор:
BioInvasions Records, 2021, 10, 3, 598-604Финансирање / пројекти:
- Министарство науке, технолошког развоја и иновација Републике Србије, институционално финансирање - 200007 (Универзитет у Београду, Институт за биолошка истраживања 'Синиша Станковић') (RS-MESTD-inst-2020-200007)
DOI: 10.3391/bir.2021.10.3.09
ISSN: 2242-1300