نتایج جستجو برای: turanian region
تعداد نتایج: 538050 فیلتر نتایج به سال:
the wild pistachio, pistacia atlantica subsp. mutica, is belonged to mountain of irano-turanian region, and distributed in northwest, northeast, center, east and south of iran. the sexual identification mechanism of this species is unknown and denotation of gender is impossible until flowering. in this study sex ratio of populations of this dioecious shrub was evaluated by several hypothesis co...
Teucrium (Lamiaceae) is a large and polymorphic genus distributed mainly in Europe, North Africa and in the temperate parts of Asia. In this study, the anatomical features of the leaf and stem of Teucrium polium are investigated. Teucrium has 19 taxa in Iran, which mainly grow in the Irano-Turanian region between 700 and 2000 m above sea level. T. polium belonging to sect. Polium, is a perennia...
Prunus eburnea (Spach) Aitch. & Hemsl. is an endemic plant species of Iran-Afghanestan, which has medicinal and nutritional value and distributed in extensive parts of arid and semi-arid ecosystems of Iran. The aims of this study were to investigate the life forms and chorology of associated perennial plant species and biodiversity indices in 52 habitats. Habitats were divided into ten main reg...
BACKGROUND AND AIMS Tribe Arabideae are the most species-rich monophyletic lineage in Brassicaceae. More than 500 species are distributed in the majority of mountain and alpine regions worldwide. This study provides the first comprehensive phylogenetic analysis for the species assemblage and tests for association of trait and characters, providing the first explanations for the enormous species...
Arasbaran region is located in the north west of Iran and north of the east Azarbayjan province and most of these forests are seen in four areas of Kalibarchay, Ilgenechay,Hajilerchay and Selenchay. Result showed that 107 species belonge to 74 genera and 36 families of vascular plants are found. which Dicotyledons with 32 families were the richest group. In terms of abundance, Monocotyledons wi...
introruction khawf in(iran)-herat and mazaresharif and shirkhan bandar in (afghanistan)-dushanbe in (tajikistan)_(kirgizstan)-kashghar in(china) project railway network is under construction that it is as a significant corridor for revitalizing silk road corridor in the region .at the present there are three different gauge in the region central asia with 1,520 mm gauge and turkey-islamic repu...
one of the indicators of management and sustainability control of forest resources is the definition deforestation and degradation types. these factors hazard quantitative and qualitative of the iranian forests. in this study with integrated approach, different forms of forest degradation identified in the forest areas with a reviews of library resources and then investigation the degree of sta...
Identification of vegetation and study of geographical distribution of plants in each region is the basis of ecological studies and researches in that area. The purpose of this study was to introduce the flora, life form and geographical distribution of plants in the desert area in the southern of Damghan desert. At first, plant species of this region were collected and identified using availab...
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