نتایج جستجو برای: genus paederus
تعداد نتایج: 140349 فیلتر نتایج به سال:
The genus Carex belongs to tribe Cariceae, subfamily Caricoideae and family Cyperaceae. This genus, with about 2000 species in the world and more than 50 species in Iran, is the largest genus among the family. In expedition to North West and West of Iran, two species, namely, Carex acuta and C. cilicica as new records and C. flava, C. rostrata and C. supina as reinvestigated species are reporte...
The genus Sterigmostemum M. Bieb. belongs to the tribe Hesperideae of the Brassicaceae family. The results of this research confirmed the recognition of five species in Iran: S.incanum, S. sulphureum, S. ramosissimum, S. acanthocarpum and S. longistylum. S. laevicaule is excluded from the genus Sterigmostemum and is regarded as a synonym of Erysimum crassicaule. The new combination, namely, ...
In many habitat evaluation methods, the abundance data are used. Such data are not available for many species. However, there is some website that provides the presence data of species that are based on the studies made. The present study used the PATREC method to estimate the habitat suitability of the Caspian Sea for the genus Alosa. The PATREC method needs abundance data to calculate the pri...
the genus thymus l. belongs to the lamiaceae family, consist of about 215 species of herbaceous perennials and small shrubs in the world. they originated from mediterranean region. this genus is presented in iranian flora by 14 species, including: t. daenensis, t. carmanicus, t. fallax, t. persicus, t. trautvetteri, t. migricus, t. kotschyanus, t. pubesens, t. nummularius, t. transcaspicus, t. ...
As a complement to morphological research on the genus Isatis (Brassicaceae), an anatomical study was conducted on the fruit, leaf and stem of 18 species and four subspecies of this genus, as well as two species belonging to the genusPachypterygium. Inclusion of the members of the later genus in the study was to clarify the evidences that supported their affinity to the genus Isatis. As a resul...
The genus Aphanius belong to the family Aphaniidae which is widely distributed in the Mediterranean basin, the Red Sea, the Persian Gulf and brackish and freshwaters of Iran, Pakistan and India. To date, 14 species have been described under the genus Aphanius, in Iran. Currently, due to human-induced disturbance activities (hydrological alteration, introduction of exotic species, over-fishing, ...
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ویژگی های گراف مقسوم علیه صفر یک حلقه جابجایی و گونای آن را مورد بررسی قرار می دهیم. بویژه، تمام حلقه های جابجایی متناهی و یکدار که گراف مقسوم علیه صفر آنها دارای گونای یک است را مشخص کرده و رده بندی می نماییم. همچنین نشان می دهیم که برای یک عدد صحیح مثبت ثابت g، تعداد متناهی کلاس هم ارزی از حلقه هایی که گراف مقسوم علیه صفر آنها دارای گونای g است، وجود دارد. برای این منظور مقالات زیر را مورد م...
abstract in order to identify the plant parasitic nematodes of cucumber field and greenhouses in jiroft and kahnoj regions, during 2007 and 2008, 45 soil and root samples were collected. in this survey, 13 genus and 16 species were identified. genus ektaphelenchoides and one species of it, e. compsi and aphelenchus isomerus are reported for the first time in iran. the first species was found in...
Objective: The genus Ferula L. includes perennial flowering plants belonging to the Apiaceae family. This genus is a rich source of biologically active phytochemicals such as sulfur-containing derivatives, coumarins, sesquiterpenes, sesquiterpene lactones, sesquiterpene coumarins, glucuronic acid, galactose, arabinose, rhamnose, and daucane esters. Over the last decade, considerable attention h...
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