Différentiation géographique chez le crabe d'eau douce Potamon persicum Pretzmann, 1962 (Decapoda, Potamidae) dans les monts Zagros; données de la morphométrie. Le en Iran est présent long des Alborz occidentaux, son aire répartition s'étendant vers sud-est à l'ensemble Zagros. Nous nous attendions une forte différentiation au sein entre principaux systèmes drainage région (bassins Khalij Fars-Oman, Markazi et Urmia). Pour tester cette hypothèse, avons effectué analyses classiques...

Abstract The Zagros Mountains, characterized by complex topography and three large drainage systems, harbor the endemic freshwater crab Potamon persicum in Iran. Our study delves into evolutionary history of P. persicum, utilizing two mitochondrial one nuclear marker. We collected 214 specimens from 24 localities, identifying 21 haplotypes grouped major lineages. Substantial differentiation exists between systems Historical demographic analysis revealed a significant decrease population size...

Abstract Aim Phylogeographic studies on a number of Western Palaearctic taxa imply that the southern Caspian Sea region served as refugium during Last Glacial Maximum ( LGM ). Nevertheless, biogeography terrestrial and freshwater organisms in this is poorly understood. By studying phylogeography species crab, we unravel location probable local refugia colonization patterns across topographically complex landscape. Location Southern region. Taxon The crab Potamon ibericum . Methods We...

Refugia are critical for the maintenance of biodiversity during periods Quaternary climatic oscillations. The long-term persistence refugial populations in a large continuous refugium has resulted homogenous pattern genetic structure among populations, while highly structured evolutionary lineages characterize restriction to smaller subrefugia. These mechanisms have identification hot spots within putative glacial refugia. We studied phylogeography Potamon ibericum (Brachyura: Potamidae)...

Climate change is known as an important threat to biodiversity, particularly for freshwater organisms they have limited dispersal ability. Freshwater crabs are ecologically macro-invertebrates and play a key role in their ecosystem. In this study we used ensemble approach using three machine learning methods (Generalised Boosted Models, Maximum Entropy modeling, Random Forest) assessed the impacts of climate on distribution eight (Potamon elbursi, P. fluviatile, hippocratis, ibericum,...

Abstract In the current study, we redescribe and revalidate a freshwater crab species of genus Potamon Savigny, 1816, from northern Iran. elbursi Pretzmann, 1962, differs it has been synonymised with, persicum mainly by shape first gonopods in males. Consistent marked genetic divergence was also recognised mitochondrial 16S rRNA cytochrome oxidase subunit I genes. This study elevates P. to rank therefore increases number valid total twenty-two.

The assessment of life history traits can help to better understand the population dynamics respective species. We present some freshwater crab Potamon ibericum (Bieberstein, 1809) from western Alborz Mountains, Iran. Carapace size at onset morphometric maturity was estimated using breakpoint relative growth chela and abdomen in males females, respectively, by implementing piecewise linear regressions. In order quantify variations breakpoint, a bootstrap resampling method applied. Allometric...

Hydrographically separated populations of the freshwater crab Potamon elbursi Pretzmann, 1976 were genetically investigated to assess their local diversity and reconstruct possible role Quaternary glaciations in shaping current Alborz Mountains, northern Iran. A total 61 specimens from six rivers collected two different drainage systems Namak Lake South Caspian watershed. comparative analysis a partial sequence mitochondrial cytochrome oxidase subunit I gene revealed relatively high overall...

The current patterns of biodiversity have significantly been affected by glacial-interglacial cycles during the Pleistocene period. True freshwater crabs are considered as poor dispersers and terrestrial barriers restrict gene flow between their local populations. Recent studies, however, suggest that certain environmental conditions, such periods heavy rainfall humidity, can facilitate between-drainage dispersal will result in evolution homogenous genetic among different drainage systems....

Recently, population genetic studies of Mediterranean marine species highlighted patterns divergence and phylogeographic breaks, due to the interplay between impacts Pleistocene climate shifts contemporary hydrographical barriers. These factors markedly shaped distribution organisms their makeup. The present study is part an ongoing effort understand phylogeography evolutionary history highly dispersive green crab, Carcinus aestuarii (Nardo, 1847), across Sea. marked two separated...

The freshwater crab Potamon elbursiPretzmann, 1962 is widely distributed in northwestern Iran, occurring two separate hydrographic systems, one draining into the Caspian Sea and a second Namak Lake. A total of 192 specimens from drainage systems were analyzed: 122 70 Lake drainage. Fourteen measurements body dimensions taken for traditional morphometric analyses, eight landmarks semi-landmarks carapace used geometric-morphometric analyses. Morphometric analyses performed with aid SPSS ver....

Many species and subspecies of Potamon have been described from the easternmost distribution genus in western tributaries Indus River. Most them were synonymised subsequently under two names currently valid known region: gedrosianum Alcock, 1909 ruttneri Pretzmann, 1962. Genetic morphological information, based on mitochondrial 16S rDNA first male gonopod (G1), gathered course present study. The corresponding results suggest occurrence four groups question taxonomic status both species. We...

Atarbolana makranensis sp. n. is described from the intertidal zone of Makran along Iranian coast Gulf Oman. can be recognized by presence a tuft long setae on antennal flagellum males, elongate pleotelson with 12 robust marginal setae, narrowly rounded apex extending well beyond uropodal endopod, endopod half as exopod 14 and appendix masculina an acute distal margin. A key provided for four known species Bruce & Javed, 1987.

Abstract Potamon strouhali Pretzmann, 1976 is endemic to Iran, and distributed in a small heterogeneous region of the southern Persian plateau that includes two main drainage basins, Khalij Fars-Oman Markazi basins. Two subspecies P. were previously recognized, but these, together with another species described same year, eiseltiPretzmann, 1976, all considered be one based on shared gonopod morphology. We examined individuals from complete distributional range covering type localities three...

L Introdaction: Leishmaniasis is a zoonosis disease, presented in three forms including cutaneous, mucocutaneous, and visceral (kala-azar). The parasite, Leishmania spp, transferred by the causative agent of namely sand-fly. Accurate identification sand-flies helps to prevent treat disease. Materials Methods: This study was conducted identify sand-fly species distributed Birjand, east Iran. Sand-flies were collected from different parts Birjand city, Iran through using sticky traps summer...

Abstract Evolution and population genetic structure of marine species across the Persian Gulf Oman are shaped by two complex factors: geological history present pattern currents. Characterizing comparing structures co-existing species, such as host–parasite associations, allow discrimination relative importance environmental factors life traits that influenced gene flow demographic events. In this study, we compare associated Clausidium copepod ( C. persiaensis Sepahvand & Kihara 2017...

The Agamid lizard Trapelus ruderatus has a large distribution in western Asia. There is as yet neither comprehensive molecular phylogeny nor morphological variation studies on populations of this species. In the present study, we aimed to evaluate morphology and genetic attributes species from Iran, Turkey, Syria, Iraq. For examination, 18 characters (nine metric, eight meristic, one ratio characters) were examined all specimens. divided into four Operational Taxonomic Units (OTUs; three...

A new species, Electrogena sartorii sp. nov., is described at the larval stage using molecular and morphological data from Iran. In addition, two species; gibedede Sroka Godunko, 2012 Anapos kugleri (Demoulin, 1973) are recorded Iran for first time. Considering fact that many areas in not well explored an urgent complete survey, particular on order Ephemeroptera, needed to uncover real biodiversity.