نتایج جستجو برای: southern caspian sea

تعداد نتایج: 244020  

2013
Vladimir F. Krapivin Anatolij M. Shutko Alexander A. Chukhlantsev Sergei P. Golovachev

Remote measurements of different environmental parameters received during last 30 years are used for the synthesis of a Complex Simulation Model (CSM) describing the combined water regimes of the Aral-Caspian System (ACS) including the consideration of aquatic and climatic natural processes. The problem of stabilizing the sea levels of these two water bodies is modelled and a solution obtained ...

Journal: :desert 2015
fatemeh rabbani hossein mohammadi ghasem azizi daruosh mazaheri

climate change has direct and indirect consequences on crop production and food security. agriculture and cropproduction is one of the factors which depend on the weather conditions and it provides the human requirements inmany aspects. the objective of this study is to assess the impacts of future climatic change on irrigated rice yieldusing the ceres-rice model in the southern coast of caspia...

Journal: :پژوهش های جغرافیای طبیعی 0
حسن لشکری دانشیار دانشکده علوم زمین - دانشگاه شهید بهشتی قاسم کیخسروی دانشجوی کارشناسی ارشد اقلیم شناسی - دانشگاه شهید بهشتی

dust storms are destructive climate phenomenon which damage farm, installations,roads,traffic and etc indemnifiable. this phenomena at dry and pertaining regions of the country as environmental perils, is effected by particular atmospheric condition.if the origin and extention of this phenomenon be recognized the damages can be decreased or counteracted.the studied about dust storm show thirtee...

The aim of this study was the identification of morphometric and meristic characters and their diversity between males and females of Alburnus chalcoides in southern coast of the Caspian Sea in 2019. 160 specimens were caught randomly in 8 rivers leading to the Caspian Sea on the coast of Gilan (Anzali Wetland, Sefidrood River Basin, Allah Rud) and Mazandaran (Chalkroud, Cheshmeh Kileh, Mianrou...

     The main of this study was to trac the local migration of common carp in the southern  of Caspian Sea by comparing the  composition of essential and non-essential amino acids in muscle tissue. Therefore, 26 samples of Common carp from the nets of  beach sein cooprative companies was evaluated on the southern shores of the Caspian Sea in the fishing areas of Golestan, Mazandaran and Gilan p...

Journal: :ecopersia 2013
hamid nouri hasnali ghayour abolfazl masoodian majid azadi alireza ildoromi

there are a number of ideas to generate cloud and precipitation in the southern coasts of caspian sea, but none of them explain the cause of precipitation particularly heavy and super heavy precipitations precisely. this study describes main thermodynamic factors when the situation and location of synoptic patterns are effective. on the basis of daily data, monthly regimes and monthly trends of...

Journal: :international journal of marine science and engineering 0

seasonal variations of the seawater properties (e.g. temperature, salinity, density and chlorophyll-a) in western part of the southern coastal waters of the caspian sea near the iranian coast were studied. a portable ctd probe was applied for profiling from sea surface to bottom at 23 stations. maximum depth of the profiling stations was more than 470 m in the study area. vertical structure of ...

Traditionally, Capoeta populations from the southern Caspian Sea basin have been considered as Capoeta capoeta gracilis. Study on the phylogenetic relationship of Capoeta species using mitochondrial cytochrome b gene sequences show that Capoeta population from the southern Caspian Sea basin is distinct species and receive well support (posterior probability of 100%). Based on the tree topologie...

2008
Igor Zonn

The Caspian Sea is the world’s largest inland sea. Physiographically it is unique. It is the most productive body of water in the world1 and the only one that preserves the geno-fund of the sturgeon, the source of almost all the black caviar produced. About 10 million people live around the Caspian Sea and the occupations of many of them are connected with the sea, and first of all with fishing...

زکریایی, مریم, سعیدی, علی اصغر, صفاتیان, شهلا, عادل, میلاد, نصرالله زاده ساروی, حسن,

Background and purpose: North cities in the southern Caspian Sea, especially Mazandaran and swimming beache is constantly exposed to microbial contamination that can be dangerous for swimmers and tourists health. The present study aimed to evaluate the microbial contamination of swimming water in the Caspian shores of Mazandaran province. Materials and methods: For reviewing the microbiologica...

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