Volume 10, Issue 4 (3-2024)                   NBR 2024, 10(4): 1-21 | Back to browse issues page

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ahmadi E, aghaei delche N. An investigation on diversity species of snails and slugs in the east of Tehran province. NBR 2024; 10 (4) : 1-26
URL: http://nbr.khu.ac.ir/article-1-3620-en.html
Department of Animal Biology, Iranian Research Institute of Plant Protection, Agricultural Research, Education and Extension Organization , e1_ahmadi@yahoo.com
Abstract:   (130 Views)
       Continuous environmental monitoring is one of the important principles of management and is environmental assessment axis, and molluscs are one of the biological indicators of ecosystem quality. For this purpose, snails and slugs were collected and identified in the east of Tehran province which during it according to the availability, habitat diversity and geomorphological differences in more than 3251 samples from five microclimates were collected and identified. Specimens were gathered by hand, sweeping net and other techniques from aquatic plants, rotten underwood, shrubs and weeds, their geograical and regional properties were recorded and transfered to laboratory. Then through available morphological identification keys, specimens were identified as 19 species belonging to 13 genera and 10 families based on morphometric characteristics, including (shape and size of operculum, aperture, dextral or sinistral profile of their shell, pneumostome, keel, radula, renal ridge and reproduction system) and the comparison of photos and the identification key of these taxons were prepared and discussed:
Bithynia tentaculata (Linnaeus, 1758), Physella acuta (Draparnaud,1805), Lymnaea truncatula (Müller, 1774), , Lymnaea palusris (Müller, 1774) , Lymnaea pereger (Müller, 1774) , Lymnaea gedrosiana (Annandale and Prashad, 1919), Planorbis planorbis (Linnaeus, 1758), Gyraulus euphraticus(Mousson, 1874), Gyraulus convexiusculus (Hutton, 1849), Succinea putris (Linnaeus, 1758), Helicella krynickii (Krynicki, 1833), Helicella derbentina(Krynicki, 1836), Caucasotachea atrolabiata (Krynicki, 1833), * Monacha cartusiana (Müller, 1774), Oxychilus herzi (Boettger, 1889), Agriolimax agrestis=Deroceras reticulatum (Müller, 1774), *Theba pisana (Müller, 1774), Parmacella ibera Eichwald, 1841, Planorbis carinatus Müller, 1774.
Two species marked with an asterisk are new records for Iranian mollusc fauna. In this study, among the samples collected, the largest families in terms of species diversity are Planorbidae with four species (Planorbis planorbis, Gyraulus euphraticus, Gyraulus convexiusculus, Planorbis carinatus), Lymnaeidae with four species (Lymnaea truncatula, Lymnaea gedrosiana, Lymnaea palustris, Lymnaea pereger) and Helicidae with four species: Helicella krynickii, Helicella derbentina, Caucasotachea atrolabiata, Theba pisana. The highest and lowest species diversity among the identified species with 18 and 5 species are related to stations 4 and 5 of the investigated areas respectively. The whole collection will be kept permanently in the Zoology Museum of Iranian Research Institute of Plant Protection.
Article number: 1-26
Full-Text [PDF 670 kb]   (38 Downloads)    
Type of Study: Original Article | Subject: Animal Biology
Received: 2023/05/4 | Revised: 2024/05/25 | Accepted: 2023/09/5 | Published: 2024/03/13 | ePublished: 2024/03/13

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