نتایج جستجو برای: calligonum
تعداد نتایج: 153 فیلتر نتایج به سال:
Plants, in arid and semi-arid regions, are leading to form the Nebka geosystem using the decrease of wind speed and the stabilization of quicksand, which they play an important role in desert greening and protection of the environment and natural resources. Therefore, identification of plant species adapted to the environmental conditions in format of Nebka efficiency assessment is very importa...
گونه calligonum spinosetosum به عنوان گونه بومی و جدید از استان اصفهانن، بیابانهای شمال آران و بیدگل نامگذاری و معرفی می گردد . این گونه با همه گونه های ایرانی با داشتن تارهای میوه سوزنی، دوشاخه با حدود 6 میلی متر طول متمایز می گردد.
Previously undescribed compounds, (R)-4-(4-hydroxyphenyl)-2-butanol 2-O-(6-O-galloyl)-β-D-glucopyranoside (1) and (E)-5-(4-hydroxyphenyl)pent-2-enoic acid (2), together with 20 known compounds (3-22) were isolated from the aerial parts of Calligonum mongolicum. Compound 3 was obtained a natural source for first time, all (1-22) reported time in this plant. The structural elucidation 1 2 perform...
گونه saponaria esfandiarii بعنوان گونه جدیدی از جنوب ایران نامگذاری و شرح داده می شود. گونه های: limonium sogdianum, medicago noaea, calligonum paletzkianum, symphyandra zangezura برای اولین بار از مناطق مختلف ایران گزارش داده می شوند.
Abstract. Purpose. The study is aimed at carrying out an adaptation assessment of arid fodder shrubs for the restoration degraded pasture ecosystems in semi-desert zone southern Russia modern conditions climate aridization. Methods. An given adaptive capabilities, including field germination seeds, response to drought, yield leafless Calligonum aphyllum, Eurotia ceratoides, and Kochia prostrata...
Calligonum mongolicum is a successful pioneer shrub to combat desertification, which is widely used for vegetation restoration in the desert regions of northwest China. In order to reveal the limitations to natural regeneration of C. mongolicum by asexual and sexual reproduction, following the process of sand dune stabilization, we assessed clonal shoots, seedling emergence, soil seed bank dens...
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