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Vidovicia coerulans 

Scope: Global, Europe & Mediterranean
Language: English
Status_ne_offStatus_dd_offStatus_lc_offStatus_nt_offStatus_vu_onStatus_en_offStatus_cr_offStatus_ew_offStatus_ex_off

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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Mollusca Gastropoda Stylommatophora Helicidae

Scientific Name: Vidovicia coerulans (C. Pfeiffer, 1828)

Assessment Information [top]

Red List Category & Criteria: Vulnerable A2b ver 3.1
Year Published: 2011
Date Assessed: 2010-10-02
Assessor(s): Reischütz, A., Slapnik, R. & Štamol, V.
Reviewer(s): Neubert, E., Cuttelod, A. & Ward, J.
Justification:
This species is occurring over a relatively large distribution. However, a population reduction of more than 30%  is suspected from field observation in the last 10 years. The extent of occurrence, the area of occupancy and the number of mature individuals are also declining and the subpopulations are now considered to be fragmented. The species is therefore considered to be Vulnerable (VU) A2b.

Geographic Range [top]

Range Description:This species is endemic to Croatia where it is found in eight sites on six UTM squares (10 x 10 km2).
Countries occurrence:
Native:
Croatia
Additional data:
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:Even though there have been no direct studies on the population trend of this species, field observations tend to show a drastic population decline over the last 20 years (A. and P. Reischutz pers. comm. 2010). It is suspected that there is a population decline of more than 30% in the last 10 years.
Current Population Trend:Decreasing
Additional data:
Continuing decline of mature individuals:Yes
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:This species is a strict rock-dweller, it is found on rock walls, mountains cliffs, etc. This is probably a relict species.
Systems:Terrestrial

Threats [top]

Major Threat(s): Despite the considerable decline in population trend, the threats to this species are not known.

Conservation Actions [top]

Conservation Actions: Monitoring of the population is urgently needed. More research on the main threats are also fundamental to understand the reason of the population decline.

Citation: Reischütz, A., Slapnik, R. & Štamol, V. 2011. Vidovicia coerulans. The IUCN Red List of Threatened Species 2011: e.T156793A4998382. . Downloaded on 19 September 2018.
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