breeding biology of the great cormorants phalacrocorax carbo sinensis is assessed in thesouthern coasts of the caspian sea, iran during the years 2008-2010. about 84 nests located on 63 trees wereexamined. nests were built on large trees located in abbas abad marsh, gilan province. initially, eggs werefound on first week of april and egg laying continued until the last week of may. clutch size ...

geographical situation of gilan province, its weather and suitable conditions for agriculture, plus its neighboring with russia, have prepared the way for cultural, political and economical relations and interchanges between iran and russia. being called “the gate of europe”, the province also receives many tourists from many countries, especially russia. many of these tourists have recorded de...

Tourism as a necessity for economic development in many countries, therefore, in this study we intended to investigate the strengths, weaknesses, opportunities and threats of Halal tourism in Gilan province, by using SWOT model to introduce strategic solutions to further developments. This study is practical based on questionnaire in terms of practical objectives, in terms of data collection. T...

We studied the modern pollen rain in two different landscapes from Hyrcanian lowland forests up to slopes of Alborz Mountains Gilan province for first time. Pollen traps were installed one year and moss samples collected along altitudinal transects 100 1800 m 2300 elevations. The results counting environmental DNA barcoding (metabarcoding) compared 32 locations. In total, 81 vascular plant spec...

raccoon is a native species to north and central america. at present, it is an invasive species in many countries such as japan, germany, russia and iran. raccoon was observed for the first time in gilan province in iran in 1991. this research was employed ecological niche factor analysis (enfa) method to model habitat selection of raccoon in lavandevil wildlife refuge. the results showed that ...

In this study, a cheap, novel, ecofriendly and effective nanosorbent was synthesised with natural materials such as sand beach eggshell for diazinon determination in water. The successfully characterised using Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), energy dispersive (EDX), field emission scanning- electron microscopy (SEM), vibrating sample magnetometer (VSM) ...