词条 | Anisus vorticulus |
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| image = Anisus vorticulus.jpg | image_caption = Shells of Anisus vorticulus | status = DD | status_system = iucn3.1 | status_ref = [1] | regnum = Animalia | phylum = Mollusca | classis = Gastropoda | unranked_superfamilia = clade Heterobranchia clade Euthyneura clade Panpulmonata clade Hygrophila | superfamilia = Planorboidea | familia = Planorbidae | subfamilia = Planorbinae | tribus = Planorbini | genus = Anisus | subgenus = Disculifer | species = A. vorticulus | binomial = Anisus vorticulus | binomial_authority = (Troschel, 1834)[2] }} Anisus vorticulus (lesser ramshorn snail or little whirlpool ramshorn snail) is a species of minute, air-breathing, freshwater snail, an aquatic gastropod mollusk in the family Planorbidae, the ramshorn snails. DistributionThis species is mentioned in annexes II and IV of the Habitats Directive. It occurs in:
HabitatThis small snail lives in pools with standing water and in oxbow lakes, but these biotopes are threatened because of sedimentation and ecological succession.[11] In the Czech Republic this species usually lives in biotopes where there are lots of Lemna trisulca.[11] Water quality that is suitable for Anisus vorticulus is water without turbidity; with a pH from 7 to 7,5; with calcium from 40 to 400 mg/l and with electrical conductivity from 200 to 1100 mS/m.[11]References1. ^Van Damme D. (2012). "Anisus vorticulus". The IUCN Red List of Threatened Species. Version 2014.3. 2. ^Troschel F. H. (1834). De limnaeaceis seu de gasteropodis pulmonatis quae nostris in aquis vivunt. pp. [1-5], 1-65, [1]. Berolini. page 51. 3. ^1 {{cs icon}} Horsák M., Juřičková L., Beran L., Čejka T. & Dvořák L. (2010). "Komentovaný seznam měkkýšů zjištěných ve volné přírodě České a Slovenské republiky. [Annotated list of mollusc species recorded outdoors in the Czech and Slovak Republics]". Malacologica Bohemoslovaca, Suppl. 1: 1-37. PDF. 4. ^Juřičková L., Horsák M. & Beran L. (2001) "Check-list of the molluscs (Mollusca) of the Czech Republic". Acta Societatis Zoologicae Bohemicae 65: 25-40. 5. ^{{cs icon}} 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. 6. ^UK Biodiversity Action Plan {{cite web|url=http://www.ukbap.org.uk/UKPlans.aspx?ID%3D99 |title=Archived copy |accessdate=2007-03-05 |deadurl=yes |archiveurl=https://web.archive.org/web/20070625141001/http://www.ukbap.org.uk/ukplans.aspx?ID=99 |archivedate=2007-06-25 |df= }} 7. ^{{cite web |title=Little Whirlpool Ramshorn Snail |url=https://naturebftb.co.uk/the-projects/little-whirpool-ramshorn-snail/ |website=Back from the Brink |accessdate=16 August 2018}} 8. ^{{de icon}} Glöer P. & Meier-Brook C. (2003) Süsswassermollusken. DJN, pp. 134, page 109, {{ISBN|3-923376-02-2}}. 9. ^{{cite web|url=http://www.anemoon.org/anm/voorlopige-kaarten/zoetwatermollusken/wetenschappelijk/anisus-vorticulus|title=Anemoon > Flora en Fauna > Soorteninformatie|website=www.anemoon.org|language=Dutch}} 10. ^Beran L. (2009). "The first record of Anisus vorticulus (Troschel, 1834) (Gastropoda: Planorbidae) in Croatia?". Malacologica Bohemoslovaca 8: 70. PDF. 11. ^1 2 {{cs icon}} Agentura ochrany přírody a krajiny ČR (August 2007) Obecné charakteristiky předmětů ochrany v rizikových chráněných územích a návrhy hodnot indikačních parametrů a managementových opatření. skupina: KORÝŠI A MĚKKÝŠI. online, PDF{{dead link|date=October 2016 |bot=InternetArchiveBot |fix-attempted=yes }} Accessed 24 November 2009. External links
3 : Planorbidae|Gastropods described in 1834|Endangered species of the British Isles |
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