نتایج جستجو برای: gracilaria salicornia
تعداد نتایج: 1242 فیلتر نتایج به سال:
شمارش کروموزومی 19 جمعیت متعلق به 7 جنس و 11 آرایه ازتیره اسفناج (زیرتیره Salicornioideae ) از ایران گزارش می شود. کلیه واحدهای مورد مطالعه دارای عدد پایه کروموزومی 9=x می باشد. اولین گزارش کروموزومی برای گونه های Halostachys belangeriana ، Halopeplis pygmaea و Kalidium caspicum ارائه می شود. گونه های جنس Salicornia به دو گروه تتراپلویید و دیپلویید تقسیم‌بندی می شوند. گونه Salicornia persica که...
شمارش کروموزومی 19 جمعیت متعلق به 7 جنس و 11 آرایه ازتیره اسفناج (زیرتیره salicornioideae ) از ایران گزارش می شود. کلیه واحدهای مورد مطالعه دارای عدد پایه کروموزومی 9=x می باشد. اولین گزارش کروموزومی برای گونه های halostachys belangeriana ، halopeplis pygmaea و kalidium caspicum ارائه می شود. گونه های جنس salicornia به دو گروه تتراپلویید و دیپلویید تقسیم بندی می شوند. گونه salicornia persica که...
Phycobiliproteins, the main polypeptidic components of the phycobilisomes (PBS), are biological macromolecules arranged in complex interaction systems to perform light harvesting and conduction. The optical properties of these systems can hardly be studied by conventional spectroscopic techniques. Furthermore this techniques also involve laborious chemical extraction methods. Photoacoustic (PA)...
A design of experiments was applied to evaluate different strategies to enhance the methane yield of macroalgae Gracilaria vermiculophylla. Biochemical Methane Potential (BMP) of G. vermiculophylla after physical pre-treatment (washing and maceration) reached 481±9 L CH4 kg(-1) VS, corresponding to a methane yield of 79±2%. No significant effects were achieved in the BMP after thermochemical pr...
Intensive aquaculture practices involve rearing fish at high densities. In these conditions, fish may be exposed to suboptimal dissolved O2 levels with an increased formation of reactive O2 species (ROS) in tissues. Seaweeds (SW) contain biologically active substances with efficient antioxidant capacities. This study evaluated the effects of dietary supplementation of heat-treated SW (5% Gracil...
this experiment was carried out to investigate the effects of supplementing two macroalgae Sargassum cristaefolium and Gracilaria pygmaea extracts in feed on some growth indices, hematology and blood constituents of juvenile rainbow trout (Onchorhynchus mykiss). Rainbow trout were randomly divided into four groups: a control group was fed with basal diet, and three treated groups fed with basal...
Phytohormones are present in seaweeds but little is known about occurrence and content of them in seaweeds of Persian Gulf. The aim of this study was extraction of abscisic acid and gibberellin in Sargassum muticum and Gracilaria corticata. The seaweeds were collected bimonthly over one year at Bushehr coasts, Persian Gulf, during a range of environmental conditions. We explored new HPLC method...
epizoochory and endozoochory are well-known mechanisms by which seeds are dispersed by animals. since, livestock gather around the watering-points to rest and drink, we expected to find that seeds would be frequently moved to the areas surrounding watering-points, resulting a higher soil seed density (and diversity) closest to the water. we investigated this issue by assessing soil seed bank de...
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