نتایج جستجو برای: yeylagh e gharechi arasbaran
تعداد نتایج: 1017002 فیلتر نتایج به سال:
during the study of natural enemies of insect pests of forest trees and shrubs in arasbaran forest of iranian province of east azarbaijan, a number of larvae of yponomeuta evonymella l. were collected on wild cherry trees. the specimens were reared in the laboratory, where parasitoid wasps of the family ichneumonidae emerged and later identified as agrypon canaliculatum (ratzeburg, 1844). the i...
Vegetation cover is known as one of the most dominant parameters in soil erosion that can considerably affect drivers. This study aimed to assess effects vegetation on conservation Arasbaran Forests, Iran. A part Arsbaran forests has been protected for 45 years. The other not under protection during these was carried out order investigate forest management changes amount and compare it with non...
the present paper deals with the fauna of the subfamily conopinae in northwestern iran. specimens were collected, using insect net, from arasbaran forest during 2010-2013. in total, six species belonging to two genera were identified, of which the two species, conops longiventris kröber, 1916 and physocephala laticincta (brulle, 1833), are new records from iran. the diagnostic characters and su...
nitrogen oxides and carbon monoxide gases together with dust are known as the major pollutants arising during the blasting operations using the ammonium nitrate-fuel oil (anfo) explosive at the sungun surface mine, located in the northwest of iran. the pollutants were monitored during some blasting operations at the mine. it was concluded that the gases and dust clouds initially went up to the ...
Arasbaran is one of most important regions in terms of agriculture, economics and tourism in northwest of Iran that it usually receives the most yearly spring precipitation. To recognize the synoptic patterns of the 500 hpa, geopotential height data were driven for coordinates 00-70 ˚ E and 15- 65˚N in rainy springs (1972-1976-1979-1981-1986).To select the most important component using princi...
Cornelian cherry (Cornus mas L.), considered as the ancestor of cultivated trees in Arasbaran region, is a medicinally and economically plant species. However, little is known about genetic diversity, breeding programs, and population structure of this species in mentioned region. Keeping this in view, the main objectives of present study were to analysis the genetic diversity, phyloge...
Cornus mas L. (Cornaceae family) known as the Asiatic and European cornelian cherry is a species of dogwood native to Southwest Asia and Southern Europe. Cornelian cherry is an obviously growing dogwood species in Arasbaran (East Azerbaijan, Iran). It is a medium to large deciduous shrub or small tree growing to 5-12 m tall, with dark brown branches and greenish twigs(Tural and Koca, 2008). The...
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