Fire, as a natural ecological disturbance factor in forest, this study located in the Marivan region, Northern Zagros forest, and western Iranian state of Kurdistan. In each burned and unburned area 30 circle sample plot (1000 m2) were collected by randomized–systematic method in the 100×200 m net (in total 60 plots). In every sample plot the kind of species, number of tree, the heig...

Industry analysts have indicated that there is a trend toward more value-added production in the Canadian forest industry. This suggests that the value of output has increased relative to the primary resource costs of production, leaving increased returns available for other production costs. If, however, these other costs out-pace value-added growth, the industry may be in jeopardy as profit l...

Fire, as a natural ecological disturbance factor in forest, this study located in the Marivan region, Northern Zagros forest, and western Iranian state of Kurdistan. In each burned and unburned area 30 circle sample plot (1000 m2) were collected by randomized–systematic method in the 100×200 m net (in total 60 plots). In every sample plot the kind of species, number of tree, the heig...

Mycoplasma synoviae (MS) is a pathogen responsible for respiratory and locomotor disorders and causes major economic losses in poultry industry. Early and accurate diagnosis of MS infection plays a major role in control of the infection. This study was conducted to characterize Iranian field isolates of MS isolated from broiler chickens of West Azarbaijan province (Northwest of Iran), and diffe...

This article provides an annotated catalog of the Symphypleona and Neelipleona (Hexapoda: Collembola) Iran based on published literature specimens recently collected from three different ecosystems in North Khorasan province (Forest, Rangeland, Agricultural) years 2018 2019. Thirty-five species seven families 17 genera are listed. Among them, Megalothorax minimus Bourletiella sp. recorded for f...

Currently, the state management of forest resources in our country needs to be improved. Therefore, accordance with decrees President Russian Federation, forestry policy aims at increasing contribution this industry socio-economic development country, transition intensive management, as well protection, safeguard and reproduction forests. These can effectively achieved through active implementa...

Shrimp farming in Iran is one of the fast growing segments of the economy. In 1994, around 1% of Iranian shrimp production was farmed and by 2004 the share of shrimp farming increased to 60%. In spite of the fact that shrimp culture had relatively rapid growth in last decade, due to increase in production cost and decrease in international price, the profit of shrimp production has decreased in...

the purpose of this paper is to improve supply chain relationships in iranian small and medium-sized enterprises (smes) in automotive parts industry. for this reason, an importance-performance analysis (ipa) has been employed to categorized supply chain relationships metrics. also, the questionnaire method is used for gathering information. the paper identified thirteen supply chain relationshi...