نتایج جستجو برای: salicornia herbacea l
تعداد نتایج: 618471 فیلتر نتایج به سال:
Seasonal biomass variation and agar yield of G. salicornia (C. Ag.) Dawson from Oyster Bay, Dar es Salaam, and Chwaka Bay, Zanzibar, were determined, and some properties of the agar examined. Mean biomass and canopy cover values ranged from 21–60 g/m2 and 7– 20 %, respectively. The highest mean biomass and cover values were obtained during the SE monsoon. Agar yield varied from 13.7 to 30.2 % (...
Salinity negatively influences crop growth, but several salt-tolerant plant species (halophytes) are viable crops. Sarcocornia fruticosa (ecotypes EL and VM) is currently cultivated, there demand for new candidates higher biomass production. Salicornia brachiata Roxb. Arthrocneum macrostachyum L. considered novel crops, to realize their potential, response salinity nitrogen nutrition was compar...
جلبک قرمز gracilaria salicornia از سواحل جزیره قشم در خلیج فارس در شهریور 1389 نمونه برداری شد. به منظور دستیابی به بهترین شرایط رشد جلبک گراسیلاریا، اثر تغییرات دما، دوره نوری و شدت نور در یک دوره 6 هفته ای، در شرایط آزمایشگاهی و در آکواریوم های 40×30×60 سانتی متر (20 لیتر) با روش معلق در 3 تکرار نگهداری شدند.تیمارها در دماهای 20، 25 و 30 درجه سانتی گراد، دوره نوری 12:12(تاریکی: روشنایی)،14:12...
Flow hindrance by salt-marsh vegetation is manifested in the structure of the tidal current; it has a significant impact on sediment transport and causes increased sediment accretion. The flow characteristics in 3 different vegetation types (Spartina maritima, Sp. anglica and Salicornia/Suaeda maritima) were measured on 3 salt-marshes in Portugal and England. Skimming flow develops above the Sp...
Climate change shuffles species ranges and creates novel interactions that may either buffer communities against climate change or exacerbate its effect. For instance, facilitation can become more prevalent in salt marshes under stressful conditions while competition is stronger in benign environments. Sea-level rise (SLR) is a consequence of climate change that affects the distribution of stre...
Pectin films were developed by incorporating a halophyte plant Salicornia ramosissima (dry powder from stem parts) to modify the film’s properties. The films’ physicomechanical properties, Fourier-transform infrared spectroscopy (FTIR), and microstructure, as well their biodegradation capacity in soil seawater, evaluated. inclusion of S. significantly increased thickness (0.25 ± 0.01 mm; contro...
Submarine groundwater discharge (SGD) in high volcanic islands can be an important source of freshwater and nutrients to coral reefs. High inorganic nutrient content is generally thought augment primary production coastal systems but when this delivered via a vector as the case with SGD study, effects on productivity are unclear. In current literature, there limited evidence for direct associat...
A new nortriterpene saponin, 3-O-β-d-glucuronopyranosyl-30-norolean-12,20(29)-dien-23- oxo-28-oic acid, namely bigelovii D (11), was isolated from the hydroalcoholic extract of herbs of Salicornia bigelovii along with 10 known saponins (1-10). Their chemical structures were identified on the basis of spectroscopic analyses including two-dimensional NMR and a comparison with literature data. Som...
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