نتایج جستجو برای: salinity indices

تعداد نتایج: 106829  

Journal: :Agronomy 2023

The nutrient-limiting conditions in saline–alkali soil as well the salinity and alkalinity stress are successfully alleviated by water management measures addition of organic matter. However, impacts these two strategies on microbe-driven CO2 emissions saline–alkaline soils not yet clear. Therefore, a 150-day incubation experiment was conducted this study to evaluate short-term effects regulati...

2014
Kyla Drushka Sarah T. Gille Janet Sprintall

Observations from 35 tropical moorings are used to characterize the diurnal cycle in salinity at 1 m depth. The amplitude of diurnal salinity anomalies is up to 0.01 psu and more typically 0.005 psu. Diurnal variations in precipitation and vertical entrainment appear to be the dominant drivers of diurnal salinity variability, with evaporation also contributing. Areas where these processes are s...

2016
Chenfan Geng Yi Tian Yanpeng Shang Liqiang Wang Yanan Jiang Yaqing Chang

BACKGROUND Sea cucumbers (Apostichopus japonicus) are an imperiled fauna exposed to a variety of environmental condition such as salinity and studies are urgently needed to assess their effects to guide aquaculture efforts. The effects of acute salinity stress on coelomic fluid osmotic pressure, ion concentrations, the activity of Na+/K+-ATPase in respiratory trees and the histological variatio...

Journal: :Physiological and biochemical zoology : PBZ 2003
Carol Eunmi Lee Christine H Petersen

Invasive species are commonly thought to have broad tolerances that enable them to colonize new habitats, but this assumption has rarely been tested. In particular, the relative importance of acclimation (plasticity) and adaptation for invasion success are poorly understood. This study examined effects of short-term and developmental acclimation on adult salinity tolerance in the copepod Euryte...

2008
Boyin Huang Yan Xue David W. Behringer

[1] Salinity profiles collected by the International Argo Project (International Argo Project data are available at http://argo.jcommops.org) since 2000 provide us an unprecedented opportunity to study impacts of salinity data on the quality of ocean analysis, which has been hampered by a lack of salinity observations historically. The operational Global Ocean Data Assimilation System (GODAS) d...

Biological response and ecological indices of benthic communities, such as greater mortality of foraminifera and shell abnormalities, have been used to document pollution effects on ecosystems. Shadegan Wetland was damaged from a deposition of huge amounts of soot and products of burning oilwells of Kuwait as well as chronic exhaust fumes of refinery and industrial furnaces. In this investigati...

2014
Lyuben Zagorchev Plamena Kamenova Mariela Odjakova

Contemporary agriculture is facing new challenges with the increasing population and demand for food on Earth and the decrease in crop productivity due to abiotic stresses such as water deficit, high salinity, and extreme fluctuations of temperatures. The knowledge of plant stress responses, though widely extended in recent years, is still unable to provide efficient strategies for improvement ...

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