The distribution of nematodes was studied in rice fields in Guilan province, Iran, from 2014 to 2016. Nematode biodiversity of 250 soil and root samples was examined. Thirty nematode species were identified morphologically, including plant parasites, microbivores and mycetophagous and predator species. Molecular techniques were also used for further identification of three plant parasitic speci...

Article history: Received date: 13 September, 2016 Review date: 2 October 2016 Accepted date:20 November 2016 Printed on line: 5 January Purpose: The present study was done to introduce an efficient tool in the field of moral behavior. Material & Method: method of the study was correlational, its approach was test developing and its population was students of Islamic Azad University- Ast...

to assess the sources, entry routes and degree of contamination of pah compounds in surface sediments of the southwestern caspian sea coasts (gillan province) total of 129 surface sediment samples from 28 rivers and 5 transect across the gillan province coasts (from astara to lahijan; 10, 20 and 50 m depth) were collected in the spring and summer of 2012. after extraction using soxhlet method, ...

the genetic variation and population structure of narrow-clawed crayfish (astacus leptodactylus) was examined by means of polymerase chain reaction (pcr) restriction fragment length polymorphism (rflp) analysis of the cytochrome oxidase subunit i (coi) of mitochondrial dna. a total of 194 adult specimens were collected from seven sample sites including, two in the south caspian sea and one each...

The maritime industry is moving towards a sustainable supply chain (SSC), intending to increase the quality of logistics and make more profit. sustainability (MSC) in Iran one topics that has not been widely studied. Ports play crucial role promoting Iran’s position international transit products, strengthening economic, social, environmental connections with neighboring eastern northeastern co...

in the poetics of aristotle, art and literature are imitations of reality and all literary elements have objective representation in the real world. following the theories of ferdinand de saussure and roman jakobson and formation of new literary approaches such as structuralism, there existed a modern poetics which didn’t consider literature as an imitation of reality but introduces it as recon...