نتایج جستجو برای: both national parks appeared with land use change toward degradation. khojeer national park faced more with decrease in range lands and sorkhe hesar national park expressed with human development

تعداد نتایج: 22953979  

Journal: :محیط زیست طبیعی 0
شیرکو جعفری دانشجوی کارشناسی ارشد محیط زیست، دانشکدۀ منابع طبیعی، دانشگاه تهران، ایران، کرج افشین علیزاده شعبانی استادیار دانشکده منابع طبیعی، دانشگاه تهران، ایران، کرج افشین دانه کار دانشیار دانشکده منابع طبیعی، دانشگاه تهران، ایران، کرج علی اکبر نظری سامانی استادیار دانشکده منابع طبیعی، دانشگاه تهران، ایران، کرج

internationally, one of the most important purposes to establish a national park is to protect a unique ecosystem with all its inclusive biota. therefore, this will facilitate the management and protection of the neighboring lands. unfortunately, this trend was reversed in iranian national parks. during recent decades, the land cover changes in protected areas have led to the decrease of the re...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی 1389

after the soviet union dissolution, a chaotic period was begun in the russia. russia lost its glory and felt disgrace. the first group of elites came to power under yeltsin; they tried to re-define russia’s identity as a european country and build a foreign policy on this baseline. therefore russia tried to become closer with the west especially with the u.s. according to their view the sovie...

Journal: :پژوهش های محیط زیست 0
صلاح الدین ابراهیم پور دانشجوی کارشناسی ارشد زمین شناسی محیط زیستی، مرکز تحقیقات آب های زیرزمینی (متآب)، دانشکده علوم، دانشگاه فردوسی مشهد حسین محمدزاده استادیار، مرکز تحقیقات آب های زیرزمینی (متآب)، دانشکده علوم، دانشگاه فردوسی مشهد

nowadays, the machinery dependent life makes the people take refuge in natural recreational places. therefore, evaluating the recreational value of natural promenades has great importance to lead to more protection. in this research, economic valuation of sorkheh hesar national park, and protected area of geno were computed, and socio-economic factors compared in each area. geno protected area ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده حقوق 1389

abstract the third millennium has started, but the world is facing with serious challenges in achieving international security and peace. various human rights violations have lead the states to find means to protect human rights. also article 55 of the united nations charter introduces the respect to human rights and fundamental freedom as the most suitable ways to realize peace and security. ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده کشاورزی 1394

with the increasing population and the need for more food, as well as with the development of science and technology, human approach to unnatural and often chemical inputs to increase agricultural production has been a great expansion and problems such as increased cancers, chronic diseases has created environmental pollution. implementation of organic organic is a solution to these problems . ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده علوم انسانی و اجتماعی 1389

today the image of a permanent skeletal space of cities affected by some forces or mechanisms is put in time with social-economic development and while imposes a new face and perspective to physical anatomy of cities, and prepares field to changes in content and social- economic structures of cities too. simultaneously with quitting villages in order to settle in cities by villagers, the phen...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی 1389

the caspian sea contains great resources of oil and gas. the caspian sea is a 700- mile- long body of water in central asia, land located between azerbaijan, iran, kazakhstan, russia and turkmenistan. iran was challenges and opportunities in the caspian region. key question in this thesis includes three section that first question, opportunities of iran in the caspian region, second question ch...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز 1381

‏‎the community dynamics of aquatic coleoptera(insecta)in one of the spring-stream habitats of bammo national park in fars province called cheshmeh-ye-ghanbari is studied as a pilot project and model for acquaintance with and furthering the biodiversity studies on fauna of iran. sixteen species-populations out of nineteen of this community were already identified for their taxonomy and for thei...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی 1388

this dissertation has six chapter and tree appendices. chapter 1 introduces the thesis proposal including description of problem, key questions, hypothesis, backgrounds and review of literature, research objectives, methodology and theoretical concepts (key terms) taken the literature and facilitate an understanding of national security, national interest and turkish- israeli relations concepts...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1392

the issue of curriculum and syllabus evaluation and revision has been in center of attention right from when curriculum came into attention of educational institutions. thus everywhere in the world in educational institutions curricula and syllabi are evaluated and revised based on the goals, the needs, existing content, etc.. in iran any curriculum is designed in a committee of specialists and...

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