نتایج جستجو برای: northern iran forests

تعداد نتایج: 247679  

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

the endocarp of celtis australis l. with hyrcanian forests of northern iran and arid mountains of northern africa ecotypes were studied considering macro and micro morphologic characteristics, using binocular and scanning electron microscope. the aim of this research was to evaluate the endocarp diversity in different ecological conditions. the results showed that celtis australis l. is bigger,...

Journal: :Forests 2022

Seasonal fluctuations play an important role in the pricing of a timber sale. A good understanding price mechanisms and predictability market would be very practical for forest owners, managers, investors, is crucial correct functioning sector. This research aimed to analyze effect sale season on (sawlog lumber) prices high-value species groups (e.g., oriental beech, chestnut-leaved oak, common...

Journal: Mycologia Iranica 2015

In the framework of the collection and identification of agaric fungi of Iran, three species of the genus Lepiota, viz. Lepiota brunneoincarnata, L. echinella and L. subincarnata are reported as new records for mycobiota of Iran. Two species, L. brunneoincarnata and L. subincarnata are deadly poisonous taxa. Up to now, two species of Amanita, A. phalloides and A. verna, and one from Galerina, G...

Journal: رستنیها 2017
Ashrafalsadat Hatamian-Zarmi Motaharehsadat Heydarian

Medicinal mushroom Ganoderma lucidum has been used in East Asia for centuries in order to prevent and treat a variety of diseases such as hepatitis, immunological disorders and cancers. In fact, this fungus contains a vast source of polysaccharides, proteins and secondary metabolites with anti-tumor and immuno-modulatory properties. Up to now, a variety of drug metabolites extracted from G. luc...

2018

Cut-to-length (CTL) timber harvesting technology currently accounts for approximately 90% of Caspian forests. The technology involves felling, branching, cross-cutting, and then the skidder carries the logs to a landing, where the timber is temporarily stored, sorted and assembled for transportation to the mill. Cut-to-length systems typically require less labor, less access road construction, ...

2018

Cut-to-length (CTL) timber harvesting technology currently accounts for approximately 90% of Caspian forests. The technology involves felling, branching, cross-cutting, and then the skidder carries the logs to a landing, where the timber is temporarily stored, sorted and assembled for transportation to the mill. Cut-to-length systems typically require less labor, less access road construction, ...

2018

Cut-to-length (CTL) timber harvesting technology currently accounts for approximately 90% of Caspian forests. The technology involves felling, branching, cross-cutting, and then the skidder carries the logs to a landing, where the timber is temporarily stored, sorted and assembled for transportation to the mill. Cut-to-length systems typically require less labor, less access road construction, ...

Journal: :Brazilian Journal of Botany 2021

Besides Quercus, Acer L. genus is the largest tree in Northern Hemisphere and consists of about 124–156 species. High morphological molecular variability has led to infra-specific complexity within most species this genus. In Iran, cappadocicum subsp. Gled. distributed eastern western parts Hyrcanian forests. study, three leaf-morphotypes A. were identified during sampling a forest located regi...

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