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Bythinella robiciana 

Scope: Europe
Language: English
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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Mollusca Gastropoda Littorinimorpha Hydrobiidae

Scientific Name: Bythinella robiciana (Clessin, 1890)
Taxonomic Notes: This is a species aggregate with many populations over a wide range of countries.  However there are various other species that could be viewed as part of the species group, B. robiciana, and B. samecana, as the species group is under review for their molecular systematics. The species have been assessed based on their current described status, in order to assess their conservation status (Z. Feher, pers. comm, 2009).

Assessment Information [top]

Red List Category & Criteria: Vulnerable D2 (Regional assessment) ver 3.1
Year Published: 2010
Date Assessed: 2009-11-24
Assessor(s): Slapnik, R. & Fehér, Z.
Reviewer(s): Seddon, M.B., Sket, B. & Bennett, L.
Justification:
This species is currently under review for molecular systematics.  The threatened status of Vulnerable D2, has been made on the basis of current knowledge of 5 locations and restricted habitats, and the possible threats to these habitats from water pollution, which could lead to degradation of the environment.

Geographic Range [top]

Range Description:This species has been described from Slovenia, with 5 known sites in north and northeast Slovenia. 1) Potoce, near Preddvor, north of Kranj, 2) Paka Village near Velenje, 3) Steska Jama (Cave) near Zalec, 4) a spring near Dobrna, 5) Toplica spring near Celje.
Countries occurrence:
Native:
Slovenia
Additional data:
Number of Locations:5
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:There is no information on population trend.
Current Population Trend:Unknown
Additional data:
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:Freshwater springs sometimes near caves.
Systems:Freshwater

Threats [top]

Major Threat(s): The major threats for this species lie in water pollution from urbanisation and the construction of motorways near rivers. Other threats include regulated water flow, changing water flow patterns, and possibly degrading the habitat.

Conservation Actions [top]

Conservation Actions: The species is considered 'Rare'  in the Slovenian List of Threatened Species  (Slovenian official gazette (2002) no. 82, Tuesday 24 September 2002). There are no conservation actions in place but research into taxonomy, population and distribution, and habitat trends would be of benefit.

Citation: Slapnik, R. & Fehér, Z. 2010. Bythinella robiciana. The IUCN Red List of Threatened Species 2010: e.T155866A4857741. . Downloaded on 18 December 2017.
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