نتایج جستجو برای: the caspian forests

تعداد نتایج: 16060375  

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 ...

2001
Douglas Blum

This memo addresses the general prospects for Russia's policy in the Caspian Sea, particularly in light of the ongoing financial crisis and domestic political turmoil. After touching on uncertainties regarding the Caspian's significance as a source of hydrocarbon reserves, I will consider Russia's evolving policy preferences and diplomatic relations, environmental issues, and the broader politi...

Journal: :تحقیقات جنگل و صنوبر ایران 0
خسرو ثاقب طالبی دانشیار پژوهش، مؤسسه تحقیقات جنگلها و مراتع کشور ژینوس جشنی کارشناس ارشد جنگل داری، دانشکده منابع طبیعی دانشگاه تهران شیرزاد محمدنژادکیاسری استادیار پژوهش، مرکز تحقیقات کشاورزی و منابع طبیعی استان مازندران حمید محمدی نصرآبادی کارشناس ارشد جنگل داری، دانشکده منابع طبیعی دانشگاه تهران محبوبه پایدار کارشناس ارشد جنگل داری، دانشکده منابع طبیعی دانشگاه تهران

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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...

2016
Halimeh Zareian Hamid Reza Esmaeili Adeleh Heidari Majid Reza Khoshkholgh Hamed Mousavi-Sabet

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...

Journal: :محیط شناسی 0
نغمه مبرقعی استادیار پژوهشکدة علوم محیطی دانشگاه شهید بهشتی غلامعلی شرزه ای دانشیار گروه اقتصاد اجتماعی دانشکدة اقتصاد دانشگاه تهران مجید مخدوم استاد دانشکدة منابع طبیعی دانشگاه تهران احمدرضا یاوری داتشیار گروه برنامه ریزی و مدیریت، دانشکده محیط زیست، دانشگاه تهران حمیدرضا جعفری داتشیار گروه برنامه ریزی و مدیریت، دانشکده محیط زیست، دانشگاه تهران

forests as one of the most important terrestrial ecosystems provide many ecosystem services that almost there is no market to present their values. among this non market services, gas regulation has a significant importance. plants absorb co2 and use it in photosynthesis process. this process, in addition to producing plant biomass and releasing o2, has the effective role in reducing the greenh...

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