نتایج جستجو برای: miankaleh

تعداد نتایج: 35  

M. Heydari S. Allahyaribeik

The process of erosion and desertification affects social communities, agricultural lands and natural resources in coastal areas. The rapid coastline changes would cause social and economic issues in the coastal areas. In this study, Miankaleh coasts and the eastern coastlines of Amirabad port have been surveyed due to existing benchmarks since June 2013 until December 2015 in order to analyze ...

ژورنال: علمی شیلات ایران 2019

Beach seine is fishing gears that occupy all depths of water from surface to bed by non-gillnet net. Increasing non-standard catches caused this survive was done to standardization of the beach seine mesh size. The research was started from winter of 2017 to spring of 2017, performing 73 hauling with four mesh sizes of 26, 28, 30 and 33 mm (knot to knot) in the bag area of ​​the beach seine in ...

Journal: :محیط شناسی 0
رضا تمرتاش مربی دانشگاه علوم کشاورزی و منابع طبیعی ساری محمدرضا طاطیان استادیار دانشگاه علوم کشاورزی و منابع طبیعی ساری مائده یوسفیان دانشجوی کارشناسی ارشد مرتع داری، دانشگاه آزاد اسلامی واحد نور

carbon sequestration in soil and plant biomass is the most simple and economic way for co2 decrease that is important in environment improvement. this research was done in miankaleh region of behshahr in mazandaran for comparison of carbon sequestration in different plant types. firstly, plant types were determined and dominant species was identified in each type. number and size of plots was o...

محمدجانی, ژیلا, نقی نژاد, علیرضا, کلیج, صدیقه,

Wild grapevine, Vitis vinifera subsp. sylvestris is considered as a rare species in Europe and Iran and possesses restricted distribution due to threatening factors. Natural populations of wild grapevine in the north of Iran were evaluated in three wild areas of coastal and plains areas of Miankaleh, submontane areas of Amol and the forest patches of Kojour and a cultivated sample of crop grape...

The bony fish of the Caspian Sea are among the most important and most valuable fish in this sea, which unfortunately their reserves have been declining for many reasons in recent years. In this research, environmental factors were investigated on catching important bones such as white rutilus kutum (Kamensky, 1901), golden multitude of Chelon auratus (Risso, 1810) and Alosa saposchnikowii (Gri...

Journal: :international journal of environmental research 0

there are 61 species in 14 families of fish-eating birds in iran. the fish-eating birds of the north of iran belong to 41 species in 10 families which include 67.2 percent of total fish eating bird species and 71% of fish-eating bird’s family of iran. resident birds constitute 13% of the fisheating birds of the caspian sea coasts and the rest are migratory in autumn and winter. there exist 3 ...

Journal: :محیط زیست طبیعی 0
ملیحه مسعودی فارغ التحصیل عبدالرسول سلمان ماهینی عضو هئیت علمی دانشگاه علوم کشاورزی و منابع طبیعی گرگان مرجان محمدزاده عضو هئیت علمی دانشگاه علوم کشاورزی و منابع طبیعی گرگان سید حامد میرکریمی عضو هئیت علمی دانشگاه علوم کشاورزی و منابع طبیعی گرگان

ecotourism is based on environmental potential and presents an opportunity for suitable utilization and conservation of the sites under management practices, considering accurate planning, potential of the area and people preferences. the present study is conducted to evaluate the ecotourism potential in miankaleh wildlife refuge. the area is located south of the caspian sea. after defining the...

Nasrin Otadi, Mohammad Shokrzadeh lamuki, Seyed Soheil Saeedi Saravi,

Background: Pesticides are essential in modern agricultural practices but due to their biocide activity and potential risk to the consumer, the control of pesticide residues in foods is a growing source of concern for the general population. Extensive application of such agents as organochlorine pesticides in farmlands and contemporary agricultural industries has led to undesired environmental ...

Journal: :iranian journal of toxicology 0
محمد شکرزاده لموکی mohammad shokrzadeh lamuki department of toxicology-pharmacology, faculty of pharmacy, pharmaceutical research center, mazandaran university of medical sciences, sari, iran. سید سهیل سعیدی ساروی seyed soheil saeedi saravi department of pharmacology, school of medicine, tehran university of medical sciences, tehran, iran. نسرین اوتادی nasrin otadi science and research branch ,islamic azad university, tehran, iran.

background: pesticides are essential in modern agricultural practices but due to their biocide activity and potential risk to the consumer, the control of pesticide residues in foods is a growing source of concern for the general population. extensive application of such agents as organochlorine pesticides in farmlands and contemporary agricultural industries has led to undesired environmental ...

Journal: :فیزیک زمین و فضا 0
همایون خوشروان دکتری تخصصی زمین شناسی، رئیس مرکز ملی مطالعات و تحقیقات دریای خزر، موسسه تحقیقات آب سمیه روحانی زاده کارشناس ارشد رسوب شناسی، کارشناس پژوهشی مرکز ملی مطالعات و تحقیقات دریای خزر جواد ملک کارشناس ارشد مهندسی عمران، مربی پژوهشی موسسه تحقیقات آب قاسم نژادقلی کارشناس ارشد فیزیک دریا، کارشناس پژوهشی مرکز ملی مطالعات و تحقیقات دریای خزر

in this research work the classification of the southern coasts of the caspian sea is performed using sedimentary and morphodynamic indices. this includes field study of morphodynamic characteristics of the shore structures. field measurements include in situ samplings of sediments and actual observations of structures on site. these field activities were done along six transects in the dry coa...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید