|Scope: Global & Mediterranean|
|Scientific Name:||Bithynia pesicii Glöer & Yildirim, 2006|
|Red List Category & Criteria:||Endangered B1ab(iii)+2ab(iii) ver 3.1|
|Assessor(s):||Kebapçı, U. & Seddon, M.B.|
|Reviewer(s):||Lopes-Lima , M. & Numa, C.|
|Contributor(s):||Van Damme, D., Glöer , P., Pešić, V. & Radea, K.|
Bithynia pesicii is restricted to two small coastal streams in Turkey, both closely adjacent to each other, with an overall extent of occurrence of 10 km² (AOO less than 10 km2). This species is threatened by nutrient enrichment from the agricultural fields adjacent, as well as sewage from the adjacent coastal sites, where tourist development takes place. In summer periods the water levels in the stream can decline leading to an increased impact of sewage on the water quality, and hence can rapidly impact this species. The species is assessed as Endangered based on presence at two locations with known threats that are likely to impact the species.
|Previously published Red List assessments:|
Bithynia pesicii is endemic to Turkey and only known from two localities: the type locality of Akçapınar Stream (5–6 km long) (Glöer and Yıldırım 2006), and the Kadın Azmağı Stream in the Muğla Province (ca. 2 km long).
|Range Map:||Click here to open the map viewer and explore range.|
|Population:||There is no information available about populations, past, present or future trends for this species.|
|Current Population Trend:||Unknown|
|Habitat and Ecology:|
The species is found on stones on the bottom of fast flowing creeks flowing into Aegean Sea. At the source of Akçapınar Stream it is present in a little swamp area rich in vegetation. Mean values of temperature are 13–16.9 °C and 15.6–16.4 °C in Akçapınar and Kadın Azmağı streams respectively (Kalyoncu et al. 2008).
|Continuing decline in area, extent and/or quality of habitat:||Yes|
|Use and Trade:||This species is not utilised.|
|Major Threat(s):||The habitat of this species is surrounded by agricultural fields and bordered by a developing tourism centre, Akyaka, which is polluting the stream. Currently the levels of pollution have increased downstream, with the greatest concentration at the mouth of the river. However in summer periods the water levels in the stream can decline leading to an increased impact of sewage on the water quality which will impact the species.|
|Conservation Actions:||No conservation action are place for this species. Research on the population size, distribution and trends of the species and habitat monitoring are needed.|
|Citation:||Kebapçı, U. & Seddon, M.B. 2014. Bithynia pesicii. The IUCN Red List of Threatened Species 2014: e.T164836A42456373.Downloaded on 19 September 2018.|
|Feedback:||If you see any errors or have any questions or suggestions on what is shown on this page, please provide us with feedback so that we can correct or extend the information provided|