نتایج جستجو برای: caspian forests

تعداد نتایج: 42923  

2015
Stefan Schnitzer

Abeli, T., Dalrymple, S.E., Mondoni, A., Orsenigo, S., and Rossi, G. 2014. Integrating a biogeographical approach into assisted colonization activities is urgently needed. Plant Biosyst. 148(6):13551357. Adamidis, G.C., Dimitrakopoulos, P.G., Manolis, A., and Papageorgiou, A.C. 2014. Genetic diversity and population structure of the serpentine endemic Ni hyperaccumulator Alyssum lesbiacum. Plan...

Journal: :caspian journal of enviromental sciences 0

the aim of this research was to measure the relative efficiency of forest management plans in north of iran. in order to fulfill the research, data of 12 forest management plans were collected from the financial balance sheets of shafaroud forest company during a ten years period. first of all, basic data envelopment analysis (dea) models (bcc and ccr) were used to determine the efficiency. the...

2006
V. I. Kravtsova E. A. Baldina

The most common way of satellite images use for dynamics investigation relies on separate interpretation or computer classification of multitemporal images with subsequent matrix comparison of classification results for changes discovering. These procedures are rather complicated and time-consuming. As a method convenient for everyday efficient image analysis we suggest method of changes determ...

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...

Journal: :نامه انجمن حشره شناسی ایران 0
مسلم سالاری گوغری رضا حسینی جلیل حاجی زاده

the carabid beetle pterostichus (phonias) strenuus (panzer) is newly recorded from iran. it was collected by hand from ghaleroudkhan forests in the caspian province of guilan. this carabid beetle is widely distributed throughout the palaearctic region including europe, uzbekistan, kazakhstan and russian far east.

Journal: :caspian journal of environmental sciences 2005
s.a. bonyad t. rostami shahraji

forests of iran located on the southern border of the caspian sea cover 1.9 million hectares. the caspian forests are divided into four separate forestry areas. one of these being guilan influx area with total area of 565000 hectares. about 30 to 40 percent of guilan province forests are suitable to short rotation forestry for afforestation. slash pine (pinus elliottii) is one of the main exoti...

S.A. Bonyad, T. Rostami Shahraji

Forests of Iran located on the Southern border of the Caspian Sea cover 1.9 million hectares. The Caspian forests are divided into four separate forestry areas. One of these being Guilan influx area with total area of 565000 hectares. About 30 to 40 percent of Guilan province forests are suitable to short rotation forestry for afforestation. Slash pine (Pinus elliottii) is one of the main exo...

Journal: :جنگل و فرآورده های چوب 0
پریسا عباسیان دانشجوی کارشناسی ارشد، گروه جنگل‏داری و اقتصاد جنگل، دانشکدۀ منابع طبیعی، دانشگاه تهران، کرج، ایران پدرام عطارد دانشیار گروه جنگل‏داری و اقتصاد جنگل، دانشکدۀ منابع طبیعی، دانشگاه تهران، کرج، ایران سید محمد حجتی استادیار گروه جنگل‏داری، دانشگاه علوم کشاورزی و منابع طبیعی ساری، ساری، ایران

the aim of this study was to compare rainfall interception (i) in a natural forest of fagus orientalis l. with a neighboring picea abies plantation in kelardasht area, the caspian forests, north of iran. to measure gross rainfall (gr), four manual collectors were installed in an open area adjacent to the forest sites and throughfall (tf) was measured using 20 collectors randomly located underne...

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