Desmoulin's whorl snail
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| Vertigo moulinsiana (Dupuy, 1849) |
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Desmoulin's whorl snail, Vertigo moulinsiana, is a species of small snail that lives in marshes and swamps across Europe as far north as southern Sweden[2]. Within Western Europe, only the populations in England and Ireland are considered to be viable [2], although further populations exist in the Czech Republic (critically endangered, occupying White Carpathians Biospehere Reserve, Kokořínsko Landscape Protected Area and Southern Moravia) [3][4][5], in Poland (critically endangered)[6] and elsewhere in Europe (for example: Netherlands[7], France[8]). It's Conservation status in the Czech Republic in 2004-2006 is favourable (FV) in report for European commission in accordance with Habitats Directive.[9] It reaches around 3 mm tall, with a yellowish or brownish translucent shell [10]. Desmoulin's whorl snail lives in calcareous wetlands, where there are tall sedges, saw-sedge (Cladium mariscus), reed-grass (Glyceria maxima) or the reed Phragmites australis [11]. It is mentioned in Annex II of the European Union's Habitats Directive [12].
Deutsche Post featured V. moulinsiana on a 2002 German €0.51 postage stamp as part of a series on endangered species of animals [13].
[edit] Status in the United Kingdom
In the United Kingdom, Desmoulin's whorl snail is listed as endangered, although it occurs in a number of areas in a band from Norfolk to Dorset, with outlying populations in Kent and the Llŷn Peninsula in North Wales [2] and has probably been under-reported in the past. Its presence on the site of the planned Newbury bypass caused the building of that road to be postponed; the building works were able to go ahead once the snails had been moved to a new habitat nearby. It is reported to have since died out at the new site [14][15], but the same report states "Desmoulin's whorl snail is now considered less scarce than it was 10 years ago".
[edit] References
- ^ J. Steffek (1996). "Vertigo moulinsiana", 2006 IUCN Red List of Threatened Species. IUCN. Retrieved on 2007-04-09.
- ^ a b c SAC selection species account: Desmoulin's whorl snail.
- ^ Evropsky významné lokality v České republice (2003).
- ^ Red List of the molluscs (Mollusca) of the Czech Republic (2006-07-14).
- ^ L. Beran (2006). New records of Vertigo moulinsiana (Gastropoda: Vertiginidae) and notes on its distribution and habitats in the Czech Republic. Malacologica Bohemoslovaca 5: 14–17.
- ^ Beata M. Pokryszko. Vertigo moulinsiana (Dupuy, 1849). Instytut Ochrony Przyrody Polskiej Akademii Nauk.
- ^ Vertigo moulinsiana. Stichting Anemoon (2005).
- ^ Recherche de sites par espèce : Invertébrés : Vertigo moulinsiana (Vertigo moulinsiana). Ministère de l’écologie et du développement durable (2007).
- ^ Dušek J., Hošek M. & Kolářová J. (2007) Hodnotící zpráva o stavu z hlediska ochrany evropsky významných druhů a typů přírodních stanovišť v České republice za rok 2004-2006. - Ochrana přírody, 62(5): appendix 5:I-IV. (in Czech language)
- ^ Vertigo moulinsiana. ARKive. Retrieved on 2007-06-19.
- ^ UK Biodiversity Action Plan: Desmoulin's whorl snail. Retrieved on 2007-06-19.
- ^ Council Directive 92/43/EEC of 21 May 1992 on the conservation of natural habitats and of wild fauna and flora (1992-07-22). Official Journal of the European Union L 206: 0007–0050. European Union.
- ^ Andreas Bartl. Bauchige Windelschnecke. Retrieved on 2007-05-14. (German)
- ^ "Concern for Newbury bypass snail", BBC News, 2006-07-27.
- ^ Weaver, Matt. "End of the road for protected snail", The Guardian, 2006-07-27.
