نتایج جستجو برای: saline environments

تعداد نتایج: 240275  

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In the desert of Abarkoh Basin, Central Iran, the influence of playa-lake level fluctuations on recent sedimentation mode of a terminal ephemeral fluvial-fan system and adjacent lacustrine/aeolian sediments of a playa fringe environment has been investigated. The surface geomorphology-sedimentology and its relationship with shallow subsurface sediments along a >25 km transect, has been studied....

Journal: :journal of rangeland science 2013
davoud akhzari, alireza ildoromi maryam dashti marvili

vetiver grass (vetiveria zizanioides) is known to be survived under the diversesoil and water conditions. in order to study the effects of salinity stress on the seedlinggrowth of the desired species, a completely randomized design was conducted with 3replications. seeds were sown in the salty-soil plots in the greenhouse. salinity levels werespecified as 4 control ones including 20, 30 and 40 ...

The objectives of this study were to analyze genotype by environment (GE) interactions effects on the yield of barley lines and varieties, identifying salinity tolerant genotypes with stable yield and also evaluating genotype (G), environments (E) and GE interactions using different stability parameters. The research was set up as two Randomized Complete Block design with three replications at ...

Journal: :Water 2023

Saline and hypersaline waters are one of the most peculiar ecosystems our planet, characterized by extreme life conditions. Despite their worldwide distribution, diversity abundance protist communities in these remain poorly studied. Here, we analyze planktonic protists sampled across 38 saline water environments (2–390‰) from arid climatic zones South Urals Crimea light environmental data usin...

Journal: :The Journal of experimental biology 2008
Kristin E Smith Leslie A VanEkeris Bernard A Okech William R Harvey Paul J Linser

Mosquito larvae live in dynamic aqueous environments, which can fluctuate drastically in salinity due to environmental events such as rainfall and evaporation. Larval survival depends upon the ability to regulate hemolymph osmolarity by absorbing and excreting ions. A major organ involved in ion regulation is the rectum, the last region for modification of the primary urine before excretion. Th...

Journal: :Estuarine Coastal and Shelf Science 2022

Sympatric closely-related species co-occur within heterogeneous environments by occupying separate ecological niches as result of adaptive differentiation. Soil salinity is one the most relevant drivers leading plant zonation in salt marshes, where germination a critical stage life cycle many halophytes. Salinity influence on patterns was evaluated for six sympatric Limonium (L. admirable, L. c...

Journal: :مدیریت آب و آبیاری 0
میثم رمضانی دانشجوی کارشناسی ارشد، گروه مهندسی آبیاری و آبادانی، دانشکده آب و خاک، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران بهزاد قنبریان علویجه دانشجوی دکتری آبیاری و زهکشی، گروه مهندسی آبیاری و آبادانی، دانشکده آب و خاک، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران عبدالمجید لیاقت استاد گروه مهندسی آبیاری و آبادانی، دانشکده آب و خاک، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران شکوفه صالحی خشکرودی دانش آموخته کارشناسی، گروه مهندسی آبیاری و زهکشی، پردیس ابوریحان، دانشگاه تهران

soil moisture retention curve is one of the soil hydraulic prosperities which its direct measurement is time consuming and expensive. therefore, indirect methods such as developing pedotransfer functions have been used to predict this characteristic from soil readily available or easily measurable data. in this study, multiple linear regression method was used to develop point pedotransfer func...

Journal: :MATEC web of conferences 2021

The present study investigates the effect of fly ash (FA) as a corrosion inhibitor on electrochemical performance 316L stainless steel concrete reinforcement in simulating pore solution exposed to coastal environment that is severely polluted by acid rain (AR). behavior examined means cyclic (reverse) polarization order evaluate susceptibility rebars localized corrosion. A slightly alkaline cor...

Abdolmajid Naderi beni, Hamid Alizadeh-Lahijani, Majid Pourkerman, Mortza Djamali, Nick Marriner, Rahman Jokar, Reza Mousavi Harami, Valerie Andrieu-Ponel,

Caspian Sea is the largest land locked water body in the world and has been characterized by significant relative sea-level changes since the Pliocene. The sea-level oscillations have strongly impacted the coastal areas depending on geomorphological setting. This study aims to investigate the impacts of sea level oscillations on low-lying coasts of the southeastern flank of the Caspian Sea...

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