The Ciric and Khore Azini international wetland is the only unique habitat of Rizophora mucronata in Iran. Due to the limited access and difficulty of sampling, a study has not been done about the amount of heavy metal contamination in the plant community in this region. For this purpose, in 2016, 27 sediments, leaves and roots were sampled from 9 stations with three replications at each statio...

saluk mount is selected for devonian biostratigraphy. this area located at southwest of bojnurd. in this study three sections are selected and two sections, chahar-borj and tabar sections with a thickness of 650 m, which consist mainly of calcareous sediments was studied in detailed but third section, qelli section, with a thickness of about 450m which consist mainly of sandstone and evaporates...

In this paper, the accumulation of heavy metals of Nickel (Ni) and Vanadium (V) was measured in habitat sediments, mangrove roots and leaves (Avicennia marina). Besides, the transfer of Ni and V from the sediment to root and to the leaves in Nayband Bay and Qeshm Island were studied. The samples were gathered by Systematic-random Sampling using selective transects at 16 stations at the end of m...

this study attempts to investigate the effect of peers’ revision in comparison to that of the teacher, and whether peers’ comments and teachers’ comments facilitate students’ revision? if yes, which one is more effective? also attempts have been made to see which aspects of language are more highlighted by peers versus teachers when commenting. besides, it is investigating the student’s attitud...

the aim of this study was to identify the problems of translating markedness structures from english to persian in order to look closely at what possible difficulties translators may face. it also seeks to probe the strategies applied accordingly by iranian translators in translating them. from three translation of blindness novel, the sentences with marked structures were elicited and also the...

the purpose of the present study was to investigate the relationship between fear of negative evaluation (fne) and communication strategies (css) among iranian efl learners. it was aimed to examine the differences in the use of communication strategies between speakers with high or low degree of fear of negative evaluation. the current study was a case study consisting of 10 english learners at...

Due to the increasing industrial activities in many tropical and subtropical coastal areas, social concerns in relation to the impact of anthropogenic activities on mangrove forests have been increased. Surface mangrove sediments (0–10 cm) from three mangrove forests in Bushehr, northern Persian Gulf were sampled for metal analysis in April 2009. The concentrations ranged (in µg g-1 dry weight)...