Basic survey on the occurrence of the narrow diaper screw Vertigo angustior

The narrow diaper snail Vertigo angustior is listed in Annex II of the Fauna Flora habitat.
Directive cited. For so-called FFH species, long-term survival in
Protected areas are guaranteed. A deterioration of the
To prevent conservation status, there is a monitoring and reporting obligation for the EU Member States.
In the course of the basic survey around Lake Neusiedl, selected habitats were
Looking for this very small snail species. She was in eight places in the
Area of the west and north shores, in the Seewinkel and in the Hanság it was detected
not yet found. The conservation status of the populations is largely as
excellent to judge well. Coincidentally, a population of Vertigo was also
moulinsiana, another FFH species, discovered. So far, this is the only place to find the
Burgenland, where the species is still alive.
Out of a total of 30 mollusc species, 19 are not at risk in Austria (LC);
three species threatens to endanger (NT: Pupilla muscorum, Truncatellina cylindrica and Vertigo
antivertigo), three more are at risk (VU: Anisus spirorbis, Physa fontinalis and
Segmentina nitida), three are highly endangered (EN: Aplexa hypnorum, Vallonia enniensis and
Vertigo moulinsiana) and one is at risk of extinction (CR: Valvata macrostoma).
Euconulus praticola could not be classified due to the lack of data
(DD).