نتایج جستجو برای: the protected table

تعداد نتایج: 16069577  

Azizollah Jafari Kokhdan Dorna Rezaei Mohamad Hossein Irannezhad Parizi Roghaye Zolfaghari

Dena Biosphere Reserve located in Iran and is a 550 Biosphere Reserve in the worlds. This research was investigated in the two protected and non-protected areas, in a Dena Biosphere Reserve, Kohkeloye va Boyrahmad province, and central zagros forest, southwest of Iran. Inventory methods designed by systemetic-randomaiz method by use the rectangular plots that were 15×30 meters in the 100×100 m ...

Journal: :medical journal of islamic republic of iran 0
ali aboutorabi department of health economics, school of health management and information sciences, iran university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences) maryam ghiasipour department of health management & economics, school of health sciences, tehran university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences) aziz rezapour department of health economics, school of health management and information sciences & health management and economics research center, iran university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences) abolghasem pourreza department of health management & economics, school of health sciences, tehran university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences) ali sarabi asiabar department of management development and resource planning, iran university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences) asghar tanoomand department of microbiology, faculty of medical sciences, maragheh university of medical sciences, maragheh, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی مراغه (maragheh university of medical sciences)

background: informal payments in the health sector of many developing countries are considered as a major impediment to health care reforms. informal payments are a form of systemic fraud and have adverse effects on the performance of the health system. in this study, the frequency and extent of informal payments as well as the determinants of these payments were investigated in general hospita...

Journal: :پژوهش های جغرافیای طبیعی 0
وحید امینی پارسا دانشجوی دکتری برنامه ریزی محیط زیست دانشگاه تهران اطهره نژادی دکتری برنامه ریزی محیط زیست دانشگاه تهران

introduction land use and land cover change (lucc) is a complex issue resulted from biophysical, socio-economic, cultural, organizational and technological factors in different spatial and temporal scales. lucc considered as an important threat to biodiversity as causing the fragmentation, natural vegetation destruction and natural areas isolation the regions which managed by environmental prot...

2003
Bin Xiao Qingfeng Zhuge Zili Shao Edwin Hsing-Mean Sha

The quick construction of the Shortest Path Tree (SPT) is essential to achieve fast routing speed for an interior network using link state protocols, such as OSPF and IS-IS. Whenever the network topology changes, the old SPT must be updated. In a network with a large number of nodes, the technology with the whole SPT re-computation by traditional static algorithms is very inefficient. It will t...

Azizollah Jafari Kokhdan Dorna Rezaei, Mohamad Hossein Irannezhad Parizi Roghaye Zolfaghari

Dena Biosphere Reserve located in Iran and is a 550 Biosphere Reserve in the worlds. This research was investigated in the two protected and non-protected areas, in a Dena Biosphere Reserve, Kohkeloye va Boyrahmad province, and central zagros forest, southwest of Iran. Inventory methods designed by systemetic-randomaiz method by use the rectangular plots that were 15×30 meters in the 100×100 m ...

Azizollah Jafari Kokhdan Dorna Rezaei, Mohamad Hossein Irannezhad Parizi Roghaye Zolfaghari

Dena Biosphere Reserve located in Iran and is a 550 Biosphere Reserve in the worlds. This research was investigated in the two protected and non-protected areas, in a Dena Biosphere Reserve, Kohkeloye va Boyrahmad province, and central zagros forest, southwest of Iran. Inventory methods designed by systemetic-randomaiz method by use the rectangular plots that were 15×30 meters in the 100×100 m ...

Natural areas have been reserved for thousands of years. However, the reasons for reservation have changed with time. Natural areas management objectives have changed from personal/individual human needs to environmental protection. Unlike old protected areas, new protected areas have multiple management objectives. The management objectives changed from protection for now to protection for the...

Journal: :محیط شناسی 0
سید حامد میرکریمی استادیار دانشگاه علوم کشاورزی و منابع طبیعی گرگان سپیده سعیدی دانشجوی دکتری ارزیابی و آمایش محیط زیست، دانشگاه علوم کشاورزی و منابع طبیعی گرگان مرجان محمد زاده استادیار دانشگاه علوم کشاورزی و منابع طبیعی گرگان عبدالرسول سلمان ماهینی دانشیار دانشگاه علوم کشاورزی و منابع طبیعی گرگان

introduction conservation and management of landscapes and beautiful sceneries is one of the necessities of establishing and maintaining the protected areas. analysis of landscape visual quality has an important place in landscape planning and designing. in this way, reviewing effective criteria and discovering the simple patterns which affect the landscapes is the most important step of modeli...

Habitat heterogeneity plays an important role in increasing species diversity. Heterogeneity of habitats and protected areas can increase the ability of species to adapt to climate change. It is expected that appropriate heterogeneity is necessary for sustainability of protected areas. The influence of altitude on parameters such as temperature and precipitation and the role of microclimates in...

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