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Gyraulus fontinalis 

Scope: Global
Language: English
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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Mollusca Gastropoda Hygrophila Planorbidae

Scientific Name: Gyraulus fontinalis Hubendick & Radoman, 1959

Assessment Information [top]

Red List Category & Criteria: Endangered B1ab(iii)+2ab(iii) ver 3.1
Year Published: 2010
Date Assessed: 2009-11-25
Assessor(s): Albrecht, C., Hauffe, T. & Schreiber, K.
Reviewer(s): Seddon, M.B. & Cuttelod, A.
Justification:

Gyraulus fontinalis is known from three springs in the Lake Ohrid catchment, with a combined area of approximately 16 km2. There is a decline in the habitat quality due to pollution, aquaculture and excessive water abstraction. It is therefore considered as Endangered (EN) B1ab(iii)+2ab(iii).

Geographic Range [top]

Range Description:

Gyraulus fontinalis is restricted to the Feeder springs system (St. Naum, Tusemista and Zagorican) of Lake Ohrid, between Albania and the Former Yugoslavian Republic of Macedonia (FYROM).

Countries occurrence:
Native:
Albania; Macedonia, the former Yugoslav Republic of
Additional data:
Estimated area of occupancy (AOO) - km2:16
Number of Locations:3
Lower depth limit (metres):3
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:

It is at suitable habitats in low abundances.

Current Population Trend:Unknown
Additional data:
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:

This species needs a constant water temperature and chemistry to survive. It occurs in places with low flow rate.

Systems:Freshwater
Continuing decline in area, extent and/or quality of habitat:Yes

Threats [top]

Major Threat(s):

Agriculture near the Prespa Lake are contaminating the Prespa lake waters, which are feeding the aquifer of these springs, resulting in increased nutrient load (Matzinger et al. 2006).  The quality of habitat in the Albanian springs is declining due to pollution by aquaculture, solid waste produced by domestic use and tourism/recreational activities, and over-abstraction of water.

Conservation Actions [top]

Conservation Actions:

The species is present in the Galicica National Park. More sustainable water management is needed to ensure the continuing quality of the habitat. The trend in habitat decline should be monitored to determine changes to this species status.


Citation: Albrecht, C., Hauffe, T. & Schreiber, K. 2010. Gyraulus fontinalis. The IUCN Red List of Threatened Species 2010: e.T155545A4796412. . Downloaded on 18 December 2017.
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