نتایج جستجو برای: us policy in the caspian basin

تعداد نتایج: 21248526  

Journal: :iau international journal of social sciences 2013
afshin mottaghi mosayeb gharehbeygi

the aim of this paper is investigating and studying of geopolitical dimensions of russia in the caspian sea. russian post-soviet geopolitics invokes euroasianism as its inner rationale and meaning, as a greater good that imbues pragmatic, interest based politics with a sense of mission. eurasianism as a particular tradition of theorizing russia’s identity and place in the world has a momentum o...

This study aimed to assess ecological quality status of hard substratum macroinvertebrates communities of the Caspian Sea with three ecological indices and their relation with environmental factors. For this purpose benthic communities of the Caspian Sea basin were studied seasonally during 2014 in 8 sampling sites. Temperature, salinity, dissolved oxygen, pH, nitrate, nitrite, silicate and pho...

Journal: :journal of agricultural science and technology 0
k. zarafshani department of agricultural extension and education, razi university, kermanshah, islamic republic of iran. m. saadvandi department of agricultural extension and education, college of agriculture, tarbiat-modares university, tehran, islamic republic of iran.

as an assessment method of the water resources, water poverty index (wpi) has become an available tool in water resources management. in particular, agricultural water poverty index (awpi) is an assessment tool for agricultural water in rural areas. during the past decades, mahidasht basin in kermanshah province has been declared by water policy makers as “forbidden” basin in terms of water exp...

Journal: :مطالعات اوراسیای مرکزی 0
زهرا احمدی پور احسان لشگری

the caspian basin in its old geopolitical situation under the soviet :union: was located in the buffer zone between two spheres of influence of the two superpowers. after the fall of the soviet :union: followed by the rise of new structures and three new states in the region, new relations, however, prevailed among the areas of geography, power and politics in the region. these new relations in...

Journal: :international journal of aquatic biology 0
brian w. coad canadian museum of nature, ottawa, ontario, k1p 6p4 canada.

the silversides or sand smelts are found in coastal areas of temperate to tropical seas and in fresh water. there are about 14 genera and 68 species with only one native species in the caspian sea basin, atherina caspia . in this review, the systematics, morphology, distribution, biology, economic importance and conservation of the caspian silverside of iran are described, the species is illust...

ژورنال: علوم زمین 2018
Mohammad Reza Sheikholeslami

Evidence of at least ten different tectonic- controlled sedimentary basins can be recognized in the central part of the Alborz Mountains in the Middle part of the Alpine-Himalayan belt. They formed from Neoprotrozoic to recent time as the results of the relative plate motion in southwest of Asia in Tethyan realm. The basins include: (1) Prototethys Late Neo-Proterozoic to Early Ordovician epi-c...

2012
GholamReza Roshan Masumeh Moghbel Stefan Grab

The rapid rise of Caspian Sea water level (about 2.25 meters since 1978) has caused much concern to all five surrounding countries, primarily because flooding has destroyed or damaged buildings and other engineering structures, roads, beaches and farm lands in the coastal zone. Given that climate, and more specifically climate change, is a primary factor influencing oscillations in Caspian Sea ...

Journal: :Molecular ecology 2003
Melania E A Cristescu Paul D N Hebert Teodora M Onciu

The Black, Azov, Caspian and Aral Seas, remnants of the intracontinental Paratethys basin, are home to a spectacular diversity of crustaceans. This study examines the past history of the Ponto-Caspian fauna through comparative phylogeographical studies on both benthic and planktonic taxa, based on an examination of nucleotide diversity in the mitochondrial, cytochrome c oxidase subunit 1 (COI) ...

Journal: :iranian journal of ichthyology 0
hamid reza esmaeili department of biology, college of sciences, shiraz university, shiraz, iran. brian w coad canadian museum of nature, ottawa, ontario, k1p 6p4 canada. hamid reza mehraban ichthyology research laboratory, department of biology, college of sciences, shiraz university, shiraz, iran. mojtaba masoudi ichthyology research laboratory, department of biology, college of sciences, shiraz university, shiraz, iran. roozbehan khaefi ichthyology research laboratory, department of biology, college of sciences, shiraz university, shiraz, iran. keyvan abbasi aquatic ecology department of the inland water aquaculture research center, p.o. box 66, bandar anzali, iran.

although the southern caspian sea basin (scsb) fish fauna has been studied for more than 200 years, new species continue to be discovered, reported and renamed. here we take the opportunity to provide a new and updated checklist of the fishes of the southern caspian sea basin. the list is based on historical literature records and taxon occurrence data obtained from natural history collections ...

Journal: :European Scientific Journal, ESJ 2018

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