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Artículos de revistas sobre el tema "Variation with salinity"

Autor: Grafiati

Publicado: 25 de mayo de 2024

Última modificación: 31 de julio de 2025

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1

Paskausky, David F. "Salinity variation." Physics Teacher 25, no. 2 (1987): 73. http://dx.doi.org/10.1119/1.2342160.

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2

Joseph, Anju Maria, and M. Suresh Gandhi. "Spatial Distribution Analysis of Seasonal Variation in Salinity Stratification at Vembanad Estuary, Kerala, India." Journal of Geosciences Research 10, no. 1 (2025): 36–43. https://doi.org/10.56153/g19088-024-0214-64.

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Estuaries are among the most important interconnections between land and sea. The restricted exchange between estuaries and the open sea allows rapid changes in salinity, temperature, nutrients, and sediment load. This study focuses on spatial and temporal variation of salinity stratification of Vembanad Estuary, Kerala with reference to the seasonal variations and tidal effects. Water samples are taken from 20 locations along the Vembanad Estuary throughout the pre-monsoon, monsoon, and post-monsoon seasons for the year 2022. By application of stratification parameters, salinity stratificatio

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3

Tusifujiang, Yelike, Xueni Zhang, and Lu Gong. "The relative contribution of intraspecific variation and species turnover to the community-level foliar stoichiometric characteristics in different soil moisture and salinity habitats." PLOS ONE 16, no. 2 (2021): e0246672. http://dx.doi.org/10.1371/journal.pone.0246672.

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BackgroundTrait-based approaches have been used to demonstrate the responses of plant functional traits to environmental change may manifest both among- and/or within-species. However, how community-level foliar stoichiometric characteristic variations respond to aridity and salinity is still not well-known.MethodsWe calculated community weighted means (CWMs) and non-weighted means (CMs) of foliar C, N, and P concentrations (and their ratios) in a dryland plant community respond to high (HSW) and low soil moisture and salinity (LSW). Based on a sum of squares decomposition method, we determine

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4

Chevalier, C., M. Pagano, D. Corbin, and R. Arfi. "The salinity responses of tropical estuaries to changes in freshwater discharge, tidal mixing and geomorphology: case study of the man-affected Senegal River Estuary (West Africa)." Marine and Freshwater Research 65, no. 11 (2014): 987. http://dx.doi.org/10.1071/mf13169.

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Salinity in estuaries is influenced by a variety of processes including tidal advection and diffusion and river discharge. The effect of hydrodynamic features on salinity was studied in the Senegal River Estuary (SRE). This estuary is of strategic importance for large populations, but it has been greatly affected by human action (regulation of the freshwater inflow, change in the location of the river mouth ...), which has caused major changes in salinity and ecological functioning. To analyse the impacts of these changes and to determine the spatial and temporal variations in salinity in the

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5

Rimper, Joice R. T. S. L., Silvana D. Harikedua, and Veibe Warouw. "The size variation of rotifer Brachionus rotundiformis cultivated with different feed at 40 ppt salinity." AQUATIC SCIENCE & MANAGEMENT 7, no. 1 (2019): 26. http://dx.doi.org/10.35800/jasm.7.1.2019.25043.

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Title (Bahasa Indonesia): Variasi ukuran rotifer Brachionus rotundiformisyang diberi pakan berbeda pada salinitas 40 ppt RotiferBrachionus rotundiformisis a group of zooplankton which is used by fish larvae for feeding to initiate their growth. This zooplankton is widely favored by marine fauna larvae because of its small size can fits well with various larval mouth; thus, it is easily preyed by larvae. This study aimed to determine the variation of rotifer B. rotundiformismorphometry if cultured with different feed at 40 ppt. The use of 40 ppt salinity is expected to provide a variable morpho

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6

Katsura, Shota, Eitarou Oka, Bo Qiu, and Niklas Schneider. "Formation and Subduction of North Pacific Tropical Water and Their Interannual Variability." Journal of Physical Oceanography 43, no. 11 (2013): 2400–2415. http://dx.doi.org/10.1175/jpo-d-13-031.1.

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Abstract Formation and subduction of the North Pacific Tropical Water (NPTW), its interannual variability, and its associated mechanisms were investigated by using gridded Argo-profiling float data and various surface flux data in 2003–11. The NPTW has two formation sites in the center of the North Pacific subtropical gyre, corresponding to two regional sea surface salinity maxima. Mixed layer salinity variations in these two NPTW formation sites were found to be significantly different. While seasonal variation was prominent in the eastern formation site, interannual variation was dominant in

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7

Nguyen, Trang Cong, Hoa Van Au, Giang Trung Tran, Phuong Thanh Nguyen, and Ut Ngoc Vu. "Phytoplankton community composition variation under natural and prolonged saline intrusion simulations." International Journal of Limnology 58 (2022): 1. http://dx.doi.org/10.1051/limn/2022001.

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This study assessed phytoplankton community composition variation under two discrete salinity intrusion rate experiments. Experiment 1 simulated salinization under short-term, natural tidally induced rates of salinity change typical of the Mekong Delta, Vietnam (0–30‰ in 6 h), while Experiment 2 simulated salinization under a longer, more gradual rate of salinity change (0–30‰ at 5‰ increase per week). Phytoplankton community composition was, overall, more abundant following prolonged salinity change (Experiment 2) than rapid, tidally-induced salinity change (Experiment 1). Under both experime

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8

Robins, Joseph G., B. Shaun Bushman, Blair L. Waldron, and Paul G. Johnson. "Variation within Poa Germplasm for Salinity Tolerance." HortScience 44, no. 6 (2009): 1517–21. http://dx.doi.org/10.21273/hortsci.44.6.1517.

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As competition for water resources in areas of western North America intensify as a result of increasing human populations, the sustainability of turfgrass irrigation with limited water resources is questionable. A potential part of the solution is the use of recycled wastewater for landscape irrigation. However, as a result of high levels of salt, successful irrigation with recycled wastewater will likely need to be coupled with selection for increased salinity tolerance in turfgrass species. Additionally, salinity-tolerant turfgrass will allow production on soils with inherently high salt le

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9

FUKUOKA, Shoji, Ayako YAMAMOYO, Seiji OKAMURA, and Isamu MIZOYAMA. "ESTIMATION OF SALINITY FLUX AND VARIATION OF SALINITY IN LAKE SHINJI." PROCEEDINGS OF HYDRAULIC ENGINEERING 49 (2005): 1249–54. http://dx.doi.org/10.2208/prohe.49.1249.

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10

Marcum, Kenneth B., Nicholas P. Yensen, and John E. Leake. "Genotypic variation in salinity tolerance of Distichlis spicata turf ecotypes." Australian Journal of Experimental Agriculture 47, no. 12 (2007): 1506. http://dx.doi.org/10.1071/ea07164.

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Water quantity and quality issues are accelerating the search for alternative xeriphytic and halophytic turf species. Growth and physiological responses to salinity of eight Distichlis spicata (L.) Greene genotypes were observed to elucidate salinity tolerance mechanisms operating in the species. Accession 1043 was superior in salinity tolerance to other genotypes, as indicated by percentage canopy green leaf area, relative (to control) shoot growth, relative root growth, and rooting depth, when exposed to increasing salinity up to 1.0 mol/L NaCl. Salinity tolerance was associated with complet

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11

Rajabi Dehnavi, Ahmad, Morteza Zahedi, Agnieszka Ludwiczak, Stefany Cardenas Perez, and Agnieszka Piernik. "Effect of Salinity on Seed Germination and Seedling Development of Sorghum (Sorghum bicolor (L.) Moench) Genotypes." Agronomy 10, no. 6 (2020): 859. http://dx.doi.org/10.3390/agronomy10060859.

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Salinity is one of the most important abiotic stresses that negatively affects plant growth and development around the world. It has been reported that approximately 19.5% of all irrigated land and 2.1% of dry land is affected by salt stress, and these percentages continue to increase. Sorghum, a C4 plant, is the fifth most important cereal in the world. Numerous studies reported that there are high genetic variations in sorghum. These genetic variations can be monitored to search for the most salt-tolerant genotypes. Therefore, the aim of our study was to investigate the responses of ten sorg

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12

Stickle, William B., Li-Lian Liu, and David W. Foltz. "Allozymic and physiological variation in populations of sea urchins (Strongylocentrotus spp.)." Canadian Journal of Zoology 68, no. 1 (1990): 144–49. http://dx.doi.org/10.1139/z90-021.

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Tolerance and activity coefficients (1000/righting time (s)) were determined in different salinity treatments for Strongylocentrotus droebachiensis (O. F. Muller, 1776) from a variable-salinity habitat north of Juneau, Alaska, and for S. droebachiensis and S. pallidus (G. O. Sars, 1871) from high-salinity habitats near Friday Harbor, Washington. The 28-day LC50 values of populations of S. droebachiensis from southeastern Alaska and Washington were similar (13‰ salinity) while that of S. pallidus was 21‰ salinity. Activity coefficients of S. droebachiensis indicate functional competence from 20

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13

Robinson, Beren W. "Evolution of growth by genetic accommodation in Icelandic freshwater stickleback." Proceedings of the Royal Society B: Biological Sciences 280, no. 1772 (2013): 20132197. http://dx.doi.org/10.1098/rspb.2013.2197.

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Classical Darwinian adaptation to a change in environment can ensue when selection favours beneficial genetic variation. How plastic trait responses to new conditions affect this process depends on how plasticity reveals to selection the influence of genotype on phenotype. Genetic accommodation theory predicts that evolutionary rate may sharply increase when a new environment induces plastic responses and selects on sufficient genetic variation in those responses to produce an immediate evolutionary response, but natural examples are rare. In Iceland, marine threespine stickleback that have co

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14

Han, Zhoushun, Xin Fu, Jianing Yu, and Hengcai Zhang. "Detecting 3D Salinity Anomalies from Soil Sampling Points: A Case Study of the Yellow River Delta, China." Land 13, no. 9 (2024): 1488. http://dx.doi.org/10.3390/land13091488.

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Rapidly capturing the spatial distribution of soil salinity plays important roles in saline soils’ management. Existing studies mostly focus on the macroscopic distribution of soil-salinity changes, lacking effective methods to detect the structure of micro-regional areas of soil-salinity anomalies. To overcome this problem, this study proposes a 3D Soil-Salinity Anomaly Structure Extraction (3D-SSAS) methodology to discover soil-salinity anomalies and step forward in revealing the irregular 3D structure of soil-anomaly salinity areas from limited sampling points. We first interpolate the samp

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15

Xie, Kang, Jing Song, Si Qing Xia, Li Ping Qiu, Jia Bin Wang, and Shou Bin Zhang. "Variation of Membrane Fouling Characteristics at Salinity Wastewater in an Intermittently Aerated Membrane Bioreactor." Advanced Materials Research 1092-1093 (March 2015): 1029–32. http://dx.doi.org/10.4028/www.scientific.net/amr.1092-1093.1029.

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In this study, the variation of Zeta potentials and distribution of molecular weight in Extracellular Polymeric Substances (EPS) and soluble microbial products (SMP) were investigated. It is indicated that the salinity is effect on Zeta potentials significantly. When the salinity increased from 0 g/L to 35 g/L, the Zeta potentials decreased gradually. The average molecular weight is mainly over 30 KDa in EPS and SMP at 0 g/L salinity, and is mainly below 10 KDa at 10 g/L and 35 g/L salinity. This result is evident that the variation of molecular weight is contributed to high salinity.

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16

Lin, Zhongyuan, Guang Zhang, Huazhi Zou, and Wenping Gong. "Salt intrusion dynamics in a well-mixed sub-estuary connected to a partially to well-mixed main estuary." Ocean Science 20, no. 1 (2024): 181–99. http://dx.doi.org/10.5194/os-20-181-2024.

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Abstract. Salt intrusion in estuaries has been exacerbated by climate change and human activities. Previous studies have primarily focused on salt intrusion in the mainstem of estuaries, whereas those in sub-estuaries (those that branch off their main estuaries) have received less attention. During an extended La Niña event from 2021 to 2022, a sub-estuary (the East River estuary) alongside the Pearl River estuary, China, experienced severe salt intrusions, posing a threat to the freshwater supply in the surrounding area. Observations revealed that maximum salinities in the main estuary typica

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17

Chengfu, Yuan. "Analysis on the groundwater salt dynamic in a monitoring area in Hetao Irrigation District of Inner Mongolia." E3S Web of Conferences 198 (2020): 02007. http://dx.doi.org/10.1051/e3sconf/202019802007.

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In order to explore the rule of groundwater salt dynamic in Hetao Irrigation District, a typical monitoring area was selected as the research area in Yongji Irrigation Area of Hetao Irrigation District. The groundwater level and groundwater salinity were analyzed during the year and inter-annual variation in 2008-2013. The groundwater level showed an obvious seasonal change trend during the year variation. The groundwater level was at the peak value after spring irrigation and autumn irrigation. The groundwater level was at the low value before melting and autumn irrigation. The groundwater le

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18

Rabbani, Davarkhah, MohammadHadi Fattahi, Nima Mazroii, and Rouhullah Dehghani. "Salinity variation in kashan plain groundwater resources." International Archives of Health Sciences 5, no. 3 (2018): 68. http://dx.doi.org/10.4103/iahs.iahs_6_18.

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19

FUKUOKA, Shoji, Tomomi MATSUSHITA, Shin MIURA, Takeshi KUROKAWA, Shoji FUNABASHI, and Mikio NAKAMURA. "ON SALINITY VARIATION IN CONNECTED BRACKISH LAKE." PROCEEDINGS OF HYDRAULIC ENGINEERING 46 (2002): 899–904. http://dx.doi.org/10.2208/prohe.46.899.

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20

Li, Guancheng, Lijing Cheng, and Xutao Wang. "Evaluation of the CAS-ESM2-0 Performance in Simulating the Global Ocean Salinity Change." Atmosphere 14, no. 1 (2023): 107. http://dx.doi.org/10.3390/atmos14010107.

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The second version of the Chinese Academy of Sciences Earth System Model, CAS-ESM2-0, is a newcomer that contributes to Coupled Model Intercomparison Project simulations in the community. We evaluated the model’s performance in simulating the salinity for climatology, seasonal cycles, long-term trends, and time series of climatic metrics by comparing it with the ensemble mean of available gridded observations. The results showed that CAS-ESM2-0 could reproduce large-scale patterns of ocean salinity climatology and seasonal variations, despite the fresh biases in the low- and mid-latitudes for

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21

McKinney, Richard, Alana Hanson, Roxanne Johnson, and Michael Charpentier. "Seasonal variation in apparent conductivity and soil salinity at two Narragansett Bay, RI salt marshes." PeerJ 7 (November 27, 2019): e8074. http://dx.doi.org/10.7717/peerj.8074.

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Measurement of the apparent conductivity of salt marsh sediments using electromagnetic induction (EMI) is a rapid alternative to traditional methods of salinity determination that can be used to map soil salinity across a marsh surface. Soil salinity measures can provide information about marsh processes, since salinity is important in determining the structure and function of tidally influenced marsh communities. While EMI has been shown to accurately reflect salinity to a specified depth, more information is needed on the potential for spatial and temporal variability in apparent conductivit

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22

Radtke, Hagen, Sandra-Esther Brunnabend, Ulf Gräwe, and H. E. Markus Meier. "Investigating interdecadal salinity changes in the Baltic Sea in a 1850–2008 hindcast simulation." Climate of the Past 16, no. 4 (2020): 1617–42. http://dx.doi.org/10.5194/cp-16-1617-2020.

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Abstract. Interdecadal variability in the salinity of the Baltic Sea is dominated by a 30-year cycle with a peak-to-peak amplitude of around 0.4 g kg−1 at the surface. Such changes may have substantial consequences for the ecosystem, since species are adapted to a suitable salinity range and may experience habitat shifts. It is therefore important to understand the drivers of such changes. We use both analysis of empirical data and a numerical model reconstruction for the period of 1850–2008 to explain these interdecadal changes. The model explains 93 % and 52 % of the variance in the observed

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23

Ma, Hua, Li-Juan Cui, Wei Li, et al. "Effect of daily salinity fluctuation on the intraspecific interactions of a euhalophyte (Suaeda salsa) along a salinity gradient." Journal of Plant Ecology 15, no. 1 (2022): 208–21. http://dx.doi.org/10.1093/jpe/rtac002.

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Abstract Heterogeneity of soil salinity is a prominent environmental characteristic in the intertidal zone of estuaries, affecting the plant growth and the shift of biotic interactions in the salt marsh. This study aims to examine the interactive effects of a salinity gradient and salinity fluctuations on intraspecific interactions of a euhalophyte. We assessed the impact of daily fluctuating salinity on the outcome of intraspecific interactions by cultivating seeds of Suaeda salsa (Chenopodiaceae) in river sand. The experiment was conducted in a greenhouse with three treatments: daily salinit

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24

Chen, Zhaomin, Qingqiang Ren, Chunlong Liu, and Weiwei Xian. "Seasonal and Spatial Variations in Fish Assemblage in the Yangtze Estuary and Adjacent Waters and Their Relationship with Environmental Factors." Journal of Marine Science and Engineering 10, no. 11 (2022): 1679. http://dx.doi.org/10.3390/jmse10111679.

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In this work, we identified the seasonal and spatial variations in fish assemblages and their relation to environmental variables in the Yangtze Estuary and adjacent waters. A total of 61 fish species in 32 families were identified over four seasons; of these, 12 species were dominant and Harpadon nehereus was the most dominant species. Fish varied in abundance, biomass, and species composition in different seasons; both biomass and abundance were highest in autumn and lowest in spring. Fish can be spatially divided into high-salinity assemblages and low-salinity assemblages. The spatial varia

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25

Griffiths, Joanna S., Kevin M. Johnson, Kyle A. Sirovy, et al. "Transgenerational plasticity and the capacity to adapt to low salinity in the eastern oyster, Crassostrea virginica." Proceedings of the Royal Society B: Biological Sciences 288, no. 1951 (2021): 20203118. http://dx.doi.org/10.1098/rspb.2020.3118.

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Salinity conditions in oyster breeding grounds in the Gulf of Mexico are expected to drastically change due to increased precipitation from climate change and anthropogenic changes to local hydrology. We determined the capacity of the eastern oyster, Crassostrea virginica , to adapt via standing genetic variation or acclimate through transgenerational plasticity (TGP). We outplanted oysters to either a low- or medium-salinity site in Louisiana for 2 years. We then crossed adult parents using a North Carolina II breeding design, and measured body size and survival of larvae 5 dpf raised under l

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26

Shafeeqa, T., V. Ravichandran, A. Senthil, L. Arul, and S. Radhamani. "Assessment of seedling traits of rice landraces under different saline conditions." Journal of Applied and Natural Science 14, no. 4 (2022): 1252–63. http://dx.doi.org/10.31018/jans.v14i4.3887.

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Salinity is one of the major abiotic stresses affecting rice growth and yield worldwide. In rice, the most critical stages which affect salinity at a greater level are germination, vegetative and reproductive stages.It is very important to know the genotypic variation among landraces under saline conditions at the seed germination stage to reduce the harmful effect of salinity. The present study conducted on Petri plate was mainly for assessing germination, relative water content and seedling parameters of eleven rice landraces with check landrace Pokali under three different salt concentratio

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27

Adeyeye, Awogbemi, Adedeji Asher, Ilori Kolawole, Mabur Mafuyai, and Oyeyemi Matanmi. "Multivariate Study of Heavy Metals, Dissolved Salts and Physicochemical Properties of Shetiko River Water, Kuje, Federal Capital Territory, Nigeria." American Journal of Biological and Environmental Statistics 11, no. 2 (2025): 28–41. https://doi.org/10.11648/j.ajbes.20251102.12.

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Nigeria&apos;s extensive inland water resources are a significant asset, but they face severe threats from pollution driven by rapid urbanization, industrial activities, and inadequate waste management. The Shetiko River, like many others, plays a crucial role in supporting human activities such as sanitation, transportation, and irrigation. However, its vulnerability to contamination, particularly from untreated domestic, industrial, and agricultural waste, has led to ecological degradation, changes in ecosystem functions, and heightened health risks. This study analyzed water quality dyn

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28

Lobato, Cléo M. C., Bruno E. Soares, and Luciano F. A. Montag. "Temporal and spatial variation in the trophic ecology of the banded puffer fish Colomesus psittacus (Tetraodontiformes: Tetraodontidae) in the Amazon coastal zone." Marine and Freshwater Research 69, no. 11 (2018): 1724. http://dx.doi.org/10.1071/mf17328.

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Tidal cycles and spatial and seasonal variations in salinity have a marked effect on foraging and feeding patterns of fishes in tropical estuaries. We quantified spatiotemporal variations in the diet of one of the most abundant fish of the Amazon estuary, the Tetraodontidae banded puffer fish Colomesus psittacus, in relation to macrotidal cycles and salinity changes. Monthly samplings were performed at three sites in the Amazon coastal zone in tidal creeks with different salinity levels (Mosqueiro Island, Maiandeua Island and Ajuruteua Beach). Feeding intensity was higher during the spring tid

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29

Shen, Hui, Li Li, Jianlong Li, Zhiguo He, and Yuezhang Xia. "The Seasonal Variation of the Anomalously High Salinity at Subsurface Salinity Maximum in Northern South China Sea from Argo Data." Journal of Marine Science and Engineering 9, no. 2 (2021): 227. http://dx.doi.org/10.3390/jmse9020227.

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The large variations in salinity at the salinity maximum in the northern South China Sea (NSCS), as an indicator for the changes in the Kuroshio intrusion (KI), play an important role in the hydrological cycle. The high salinity here is more than 34.65 at the salinity maximum and is intriguing. In the past, the salinity was difficult to trace in the entire NSCS over long periods due to a lack of high-quality observations. However, due to the availability of accumulated temperature and salinity (T-S) profiles from the Argo program, it is now possible to capture subsurface-maximum data on a larg

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30

Sun, Jian, Kun Yang, Hong Li Wang, and Wei Li. "Numerical Assessment of Environmental Impact of Brine Discharge from a Desalination Plant on Coastal Water." Applied Mechanics and Materials 188 (June 2012): 319–23. http://dx.doi.org/10.4028/www.scientific.net/amm.188.319.

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In North China, water shortage imposes constraint on economic and social development. Seawater desalination provides an effective approach to relieve this disadvantage, while this industry also accompanies with adverse environmental effects. To study the environmental impact of brine discharge from a desalination plant at the planning stage on the west coastal line of the Bohai Bay, the salinity distributions are predicted by using numerical simulation. Monthly variations of salinity distributions are given and the impacted areas are calculated. The results show that the mean area with salinit

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31

Salleh, Kaharudin Md, Eleanor Daniella Lokman, Dzulfikkar Baitul Ma’mur, Nurul Shuhada Ibrahim, and Mohd Zukri Yahaya. "Effect of Salinity Variation on the Survival Rate of Amphiprion ocellaris (Common Clownfish)." International Journal of Research and Innovation in Social Science VIII, no. IX (2024): 455–66. http://dx.doi.org/10.47772/ijriss.2024.8090120.

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This study investigates the impact of changes in salinity on the survival rate of Amphiprion ocellaris, commonly known as the Common Clownfish. The aim is to ascertain the minimum salinity threshold that clownfish can tolerate, thereby offering valuable insights for professionals and researchers in the field of ornamental fish. This study utilized ten fully-grown clownfish, all of which were over one year old and had an average length of 38 mm and weight of 1.50 g. Every fish was placed in a carefully regulated tank where the salinity was systematically reduced by around 3 parts per thousand (

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32

Covernton, GA, and CDG Harley. "Multi-scale variation in salinity: a driver of population size and structure in the muricid gastropod Nucella lamellosa." Marine Ecology Progress Series 643 (June 11, 2020): 1–19. http://dx.doi.org/10.3354/meps13355.

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The abiotic environment varies continuously at a variety of temporal scales. While this variation is known to be ecologically important, multiple scales of variability are rarely explicitly considered in ecological studies. Here, we combine field observations and laboratory experiments to determine the individual and population level effects of short-term (tidal) and longer-term (seasonal and interannual) salinity variation on the dogwhelk Nucella lamellosa in the Strait of Georgia, British Columbia, Canada. The Fraser River heavily influences surface salinity in the Strait of Georgia, which v

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33

Kuroda, Naoki, Katsuhide Yokoyama, and Tadaharu Ishikawa. "Development of a Practical Model for Predicting Soil Salinity in a Salt Marsh in the Arakawa River Estuary." Water 13, no. 15 (2021): 2054. http://dx.doi.org/10.3390/w13152054.

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Our group has studied the spatiotemporal variation of soil and water salinity in an artificial salt marsh along the Arakawa River estuary and developed a practical model for predicting soil salinity. The salinity of the salt marsh and the water level of a nearby channel were measured once a month for 13 consecutive months. The vertical profile of the soil salinity in the salt marsh was measured once monthly over the same period. A numerical flow simulation adopting the shallow water model faithfully reproduced the salinity variation in the salt marsh. Further, we developed a soil salinity mode

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34

Salman, Nader. "Impact of Salinity Changes in Shatt Al-Arab Estuary on Biodiversity of Marine Mammals of the Arabian Gulf: A Review." Biological and Applied Environmental Research 5, no. 2 (2021): 260–72. http://dx.doi.org/10.51304/baer.2021.5.2.260.

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Salinity changes in the Shatt Al-Arab Estuary and North-West Arabian Gulf were monitored and reviewed in terms of the shortage of freshwater inflows to the Shatt Al-Arab Estuary. Data from previous and current surveys on marine mammals in the area have also been checked and compared to study the biodiversity under newly-developed circumstances. The Eco-physiological investigation was performed to assess the salinity tolerance limits of whales, dolphins and dugong. One-third of the world’s 81 species of whales and dolphins, collectively called cetaceans, are thought to occur off the shores in t

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35

Hasegawa, Takuya, Kentaro Ando, Iwao Ueki, Keisuke Mizuno, and Shigeki Hosoda. "Upper-Ocean Salinity Variability in the Tropical Pacific: Case Study for Quasi-Decadal Shift during the 2000s Using TRITON Buoys and Argo Floats." Journal of Climate 26, no. 20 (2013): 8126–38. http://dx.doi.org/10.1175/jcli-d-12-00187.1.

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Abstract Upper-ocean salinity variation in the tropical Pacific is investigated during the 2000s, when Triangle Trans-Ocean Buoy Network (TRITON) buoys and Argo floats were deployed and more salinity data were observed than in previous periods. This study focuses on upper-ocean salinity variability during the warming period of El Niño–Southern Oscillation (ENSO)-like quasi-decadal (QD)-scale sea surface temperature anomalies over the central equatorial Pacific (January 2002–December 2005; hereafter “warm QD phase”). It is shown that strong negative salinity anomalies occur in the western tropi

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Aksnes, D. L. "Sverdrup critical depth and the role of water clarity in Norwegian Coastal Water." ICES Journal of Marine Science 72, no. 6 (2015): 2041–50. http://dx.doi.org/10.1093/icesjms/fsv029.

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Abstract The critical depth concept was first recognized by Gran and Braarud (1935). During summer, in the Bay of Fundy, they observed an unexpected no bloom situation. Their interpretation was that high amounts of detritus of terrestrial origin caused too murky water and insufficient light for the tidally mixed phytoplankton. Almost 20 years later, this was elaborated by Sverdrup (1953) into a hypothesis for the initiation of the spring bloom in the North Atlantic Water (NAW) masses. Since then, variations in mixed layer depth have been a key in phytoplankton modelling. As illustrated by the

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Eltarabily, Mohamed G., Abdulrahman Amer, Mohammad Farzamian, Fethi Bouksila, Mohamed Elkiki, and Tarek Selim. "Time-Lapse Electromagnetic Conductivity Imaging for Soil Salinity Monitoring in Salt-Affected Agricultural Regions." Land 13, no. 2 (2024): 225. http://dx.doi.org/10.3390/land13020225.

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In this study, the temporal variation in soil salinity dynamics was monitored and analyzed using electromagnetic induction (EMI) in an agricultural area in Port Said, Egypt, which is at risk of soil salinization. To assess soil salinity, repeated soil apparent electrical conductivity (ECa) measurements were taken using an electromagnetic conductivity meter (CMD2) and inverted (using a time-lapse inversion algorithm) to generate electromagnetic conductivity images (EMCIs), representing soil electrical conductivity (σ) distribution. This process involved converting EMCI data into salinity cross-

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Uddin, MS, and KMW Hossain. "Screening of wheat genotypes against salinity at early vegetative stage in pot culture." Bangladesh Journal of Botany 47, no. 3 (2018): 381–87. http://dx.doi.org/10.3329/bjb.v47i3.38655.

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Experiment was carried out to investigate intraspecific variation for salt tolerance and to classify the wheat genotypes into different salt tolerant groups. Considerable variations among the genotypes in response to salinity were observed for shoot length under 16 dS/m NaCl salinity in the both seasons. Salt tolerant genotype was found to be less affected at high salinity and could be produced better total dry matter compared to other genotypes. Five and seven genotypes appeared as tolerance during 2008 - 09 and 2009 - 10, respectively based on relative total dry matter (RTDM). On the other h

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Shapouri, M., L. Cancela da Fonseca, S. Iepure, T. Stigter, L. Ribeiro, and A. Silva. "The variation of stygofauna along a gradient of salinization in a coastal aquifer." Hydrology Research 47, no. 1 (2015): 89–103. http://dx.doi.org/10.2166/nh.2015.153.

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We examined the variation of stygofauna composition collected in wells, along a gradient in groundwater salinity/conductivity in a coastal aquifer from southern Portugal. The studied coastal aquifer is considered vulnerable to salinization due to seawater intrusion, caused by overexploitation of the aquifer. Knowing the response of the stygofauna species to present levels of groundwater salinity makes it possible to understand and measure the effects of saltwater intrusion on stygofauna, rendering them potential bioindicators of this environmental pressure. Biotic and abiotic sampling was cond

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Shelden, Megan C., Ute Roessner, Robert E. Sharp, Mark Tester, and Antony Bacic. "Genetic variation in the root growth response of barley genotypes to salinity stress." Functional Plant Biology 40, no. 5 (2013): 516. http://dx.doi.org/10.1071/fp12290.

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We aimed to identify genetic variation in root growth in the cereal crop barley (Hordeum vulgare L.) in response to the early phase of salinity stress. Seminal root elongation was examined at various concentrations of salinity in seedlings of eight barley genotypes consisting of a landrace, wild barley and cultivars. Salinity inhibited seminal root elongation in all genotypes, with considerable variation observed between genotypes. Relative root elongation rates were 60–90% and 30–70% of the control rates at 100 and 150 mM NaCl, respectively. The screen identified the wild barley genotype CPI7

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Fanini, Lucia, Giovanni M. Marchetti, Anna Baczewska, Kamila Sztybor, and Felicita Scapini. "Behavioural adaptation to different salinities in the sandhopper Talitrus saltator (Crustacea: Amphipoda): Mediterranean vs Baltic populations." Marine and Freshwater Research 63, no. 3 (2012): 275. http://dx.doi.org/10.1071/mf11127.

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The sandhopper Talitrus saltator is common on sandy beaches at different latitudes. Therefore, behavioural variations allowing them to cope with a wide range of environmental variation are expected. To test the hypothesis that behavioural adaptations to natural environments are characterised by different salinities, we compared two behaviours (substrate choice and escape from immersion) of two T. saltator populations from a Mediterranean (high salinity) and a Baltic Sea (low salinity) sandy beach. T. saltator preferred to burrow in the high salinity substrate, irrespective of its beach of orig

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Kilmatov, T. R. "Cabbeling due to mixing of the Bering Strait and the Chukchi Sea waters on seasonal and climatic scale." Izvestiya TINRO 202, no. 2 (2022): 409–13. http://dx.doi.org/10.26428/1606-9919-2022-202-409-413.

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Cabbeling due to mixing of the surface waters from the Bering Strait and the Chukchi Sea is evaluated quantitatively and variations of its impact on seasonal and climatic scale are analyzed. The cabbeling effect increases additionally the mixed water density in 0.059 kg/m3 in summer and in 0.001 kg/m3 in winter. Seasonal variation of the cabelling repeats the seasonal variation of temperature difference between the interacted water masses (ΔT ~ 5,0 оC in summer, ΔT ~ 0,5 оC in winter). This process provides additional energy for sinking of warm and salt mixed water in summer, when it penetrate

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Cahyarini, Sri Yudawati. "RECONSTRUCTION OF SEAWATER d18O SIGNAL FROM CORAL d18O: A RECORD FROM BALI CORAL, INDONESIA." BULLETIN OF THE MARINE GEOLOGY 25, no. 1 (2016): 23. http://dx.doi.org/10.32693/bomg.25.1.2010.22.

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Sea surface salinity (SSS) and precipitation are important climate (paleoclimate) parameters. To obtain long time series data of SSS/precipitation one use coral proxy. In this study, seawater d18O is extracted from d18O content in Bali coral using centering method. The result shows more convincing that d18Obali is influenced by both seawater d18O and sea surface temperature (SST). In the interannual/decadal scale the variation d18Obali clearly shows the variation of seawater d18O, it is supposed that highly variation of precipitation contribute to the seawater d18O variation which mirrored by

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Flores-Hernández, Domingo, Julia Ramos-Miranda, Luis Amado Ayala-Pérez, and Francisco Gómez Criollo. "Environmental variation vs co-occurrence of two fish families (Gerreidae and Ariidae) in Terminos Lagoon, Campeche, Mexico." JAINA Costas y Mares ante el Cambio Climático 3, no. 1 (2021): 5–22. http://dx.doi.org/10.26359/52462.0121.

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Terminos Lagoon is recognized as an ecosystem of great diversity and productivity in the southern Gulf of Mexico. It is also the site of various anthropogenic activities in the lagoon as well as in its surroundings. In addition, in recent years this lagoon has showed variations in temperature and salinity as a result of global warming and/or watershed management. This has generated variations in the structure and function of fish communities, among other taxonomic groups. IIn this work, we analyze the changes in abundance and distribution associated with modifications in the salinity of fish s

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Polo, Gabriel Furlan, Murillo Ribeiro Freitas, Pamela Stephany Jennings Cunha, et al. "Sensitivity of tuberous roots crops to salinity in a protected environment." Revista de Ciências Agroveterinárias 21, no. 1 (2022): 79–84. http://dx.doi.org/10.5965/223811712112022079.

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Soil salinity has been a limiting barrier for the production of vegetables in protected environments. Thus, the understanding of the sensitivity of species to this stress factor must be explored, seeking better growing conditions. Under the hypothesis that beet and radish crops are sensitive to variations in soil salinity, even at low levels, the objective of this work was to evaluate the development and productivity of these two species in soils with different salinities in a protected environment. The experimental design was completely randomized and treatments were formed by the soil salini

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Jiang, Xinjun, Zhu Zhu, Jinnan Wu, et al. "Bacterial and Protistan Community Variation across the Changjiang Estuary to the Ocean with Multiple Environmental Gradients." Microorganisms 10, no. 5 (2022): 991. http://dx.doi.org/10.3390/microorganisms10050991.

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Plankton microorganisms play central roles in the marine food web and global biogeochemical cycles, while their distribution and abundance are affected by environmental variables. The determinants of microbial community composition and diversity in estuaries and surrounding waters with multiple environmental gradients at a fine scale remain largely unclear. Here, we investigated bacterial and protistan community assembly in surface waters from 27 stations across the Changjiang Estuary to the ocean, with salinity ranging from 0 to 32.1, using 16S rRNA and 18S rRNA gene amplicon sequencing. Stat

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Wang, Zheng, Fei Zhang, Xianlong Zhang, et al. "Quantitative Evaluation of Spatial and Temporal Variation of Soil Salinization Risk Using GIS-Based Geostatistical Method." Remote Sensing 12, no. 15 (2020): 2405. http://dx.doi.org/10.3390/rs12152405.

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Soil salinization is one of the environmental threats affecting the sustainable development of arid oases in the northwest of China. Thus, it is necessary to assess the risk of soil salinity and analyze spatial and temporal changes. The objective of this paper is to develop a temporal and spatial soil salinity risk assessment method based on an integrated scoring method by combining the advantages of remote sensing and GIS technology. Based on correlation coefficient analysis to determine the weights of risk evaluation factors, a comprehensive scoring system for the risk of salinity in the dry

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Ashraf, M. "Genetic Variation for Salinity Tolerance in Spring Wheat." Hereditas 120, no. 2 (2004): 99–104. http://dx.doi.org/10.1111/j.1601-5223.1994.00099.x.

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Xie, Wenping, Jingsong Yang, Rongjiang Yao, and Xiangping Wang. "Spatial and Temporal Variability of Soil Salinity in the Yangtze River Estuary Using Electromagnetic Induction." Remote Sensing 13, no. 10 (2021): 1875. http://dx.doi.org/10.3390/rs13101875.

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Soil salt-water dynamics in the Yangtze River Estuary (YRE) is complex and soil salinity is an obstacle to regional agricultural production and the ecological environment in the YRE. Runoff into the sea is reduced during the impoundment period as the result of the water-storing process of the Three Gorges Reservoir (TGR) in the upper reaches of the Yangtze River, which causes serious seawater intrusion. Soil salinity is a problem due to shallow and saline groundwater under serious seawater intrusion in the YRE. In this research, we focused on the temporal variation and spatial distribution cha

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Branchu, Ph, and L. Bergonzini. "Chloride concentrations in Lake Tanganyika: an indicator of the hydrological budget?" Hydrology and Earth System Sciences 8, no. 2 (2004): 256–65. http://dx.doi.org/10.5194/hess-8-256-2004.

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Abstract. On a historical time scale, this paper investigates the effect of hydroclimatic variations on the surface water salinity of Lake Tanganyika, the largest African lake and an open freshwater reservoir. Through annual water and chemical budgets, based on original and bibliographic data, a tracer of the water regime is proposed. Chloride, an inert and conservative element, seems to be the best candidate although its contribution to salinity is small; its use as a tracer of the water regime is validated on seasonal and historical time scales. Seasonally, a monthly water and chloride budge

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