نتایج جستجو برای: ghorogh

تعداد نتایج: 6  

2013
Ali Sattarian Mohammad Reza Akbarian Mehrdad Zarafshar Piero Bruschi Payam Fayyaz Ali SAttAriAn MohAMMAd rezA AkbAriAn MehrdAd zArAfShAr Piero bruSchi PAyAM fAyyAz

Phenotypic variation in four natural populations of Parrotia persica (Hamamelidaceae), a species considered a living fossil endemic to the Hyrcanian forest, was evaluated through leaf morphometric and multivariate analysis. Furthermore, plasticity and leaf fluctuating asymmetry (LFA) were studied. Our findings clearly displayed significant divergence among sites. The smallest lamina size, the h...

Quality of life is multifaceted and relative concept. It is being affected by spatial and temporal variation as well as social – individual values. This bears different meaning for different groups. This study tries to measure quality of life based on subjective indices. It further identifies and analyses the major spatial factors responsible for life quality of the rural people. This study is ...

Journal: :پژوهش های علوم و فناوری چوب و جنگل 0

the saprophyte fungi such as penicillium are common microorganisms on oak seed that have negative effects on germination. for isolation and identification species of penicillium associated with chestnut-leaved oak (quercus castaneifolia) seed and investigation the effect of moisture on its frequency, during in autumn 2007 four sampling at any region was selected in gorgan province including: sh...

Journal: :جنگل و فرآورده های چوب 0
محمد باقر خدایی مربی پژوهش، مؤسسة تحقیقات جنگل ها و مراتع کشور، تهران، ایران علی اقتصادی استادیار پژوهش، مؤسسة تحقیقات جنگل ها و مراتع کشور، تهران، ایران ملیحه محمدی نسب کارشناس کامپیوتر، مؤسسة تحقیقات جنگل ها و مراتع کشور، تهران، ایران

forest nurseries in north are the main sources of seedlings production for forest organization and urban green spaces. for more produce and less cost should be done good management of the production operations.study included data from 16 nursery seedling production in the north. in this study land (an area of seedling land) and personnel (workers and employees) as an input and the number of see...

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