Academic literature on the topic 'Hypersalinité'

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Journal articles on the topic "Hypersalinité"

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Genz, Janet, M. Danielle McDonald, and Martin Grosell. "Concentration of MgSO4 in the intestinal lumen of Opsanus beta limits osmoregulation in response to acute hypersalinity stress." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 300, no. 4 (2011): R895—R909. http://dx.doi.org/10.1152/ajpregu.00299.2010.

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Marine teleosts constantly lose water to their surrounding environment, a problem exacerbated in fish exposed to salinity higher than normal seawater. Some fish undergo hypersaline exposures in their natural environments, such as short- and long-term increases in salinity occurring in small tidal pools and other isolated basins, lakes, or entire estuaries. Regardless of the degree of hypersalinity in the ambient water, intestinal absorption of monovalent ions drives water uptake to compensate for water loss, concentrating impermeable MgSO4 in the lumen. This study considers the potential of lu
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Kisten, Yanasivan, Nadine A. Strydom, and Renzo Perissinotto. "The effects of hypersalinity on the growth and skeletal anomalies of juvenile Cape stumpnose, Rhabdosargus holubi (Sparidae)." Scientia Marina 83, no. 1 (2019): 61. http://dx.doi.org/10.3989/scimar.04859.24a.

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Estuarine organisms are exposed to hypersaline conditions for prolonged periods during drought conditions and under severely restricted river flow resulting from freshwater abstraction and impoundments. Consequently, marine estuarine-dependent fish such as Rhabdosargus holubi may be subjected to extreme conditions, such as hypersalinity prevailing for long periods ( > 2 months). Hypersalinity may impact the energetic demands of fish due to osmoregulation leading to compromised growth. This study assessed the impact of high salinity on the growth and skeletal development of R. holubi juvenil
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Kongrueang, Pimpanit, Pimchanok Buapet, and Peerapat Roongsattham. "Physiological responses of Enhalus acoroides to osmotic stress." Botanica Marina 61, no. 3 (2018): 257–67. http://dx.doi.org/10.1515/bot-2017-0108.

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Abstract This study aims to examine photophysiological and osmotic responses in seedlings of the seagrass Enhalus acoroides after exposure to different salinity levels. Seagrass seedlings were grown for 20 days in control (salinity 30), hyposaline (salinity 10 and 20) and hypersaline (salinity 40 and 50) conditions. The present study showed that both hypo- and hypersaline conditions affected the photophysiology of E. acoroides seedlings, reducing the maximum quantum yield of photosystem II (Fv/Fm) and total chlorophyll content. The photosynthetic system appeared to be more sensitive to hyposal
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Koch, M. S., S. A. Schopmeyer, C. Kyhn-Hansen, C. J. Madden, and J. S. Peters. "Tropical seagrass species tolerance to hypersalinity stress." Aquatic Botany 86, no. 1 (2007): 14–24. http://dx.doi.org/10.1016/j.aquabot.2006.08.003.

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Julkowska, Magdalena. "Extreme Engineering: How Antarctic Algae Adapt to Hypersalinity." Plant Physiology 183, no. 2 (2020): 427–28. http://dx.doi.org/10.1104/pp.20.00467.

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Genz, Janet, and Martin Grosell. "What limits tolerance to hypersalinity in marine teleosts?" Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology 153, no. 2 (2009): S95—S96. http://dx.doi.org/10.1016/j.cbpa.2009.04.107.

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Gräwe, Ulf, Jörg-Olaf Wolff, and Joachim Ribbe. "Mixing, hypersalinity and gradients in Hervey Bay, Australia." Ocean Dynamics 59, no. 5 (2009): 643–58. http://dx.doi.org/10.1007/s10236-009-0195-4.

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Ghittoni, Nora E., and Miguel A. Bueno. "Peanut rhizobia under salt stress: role of trehalose accumulation in strain ATCC 51466." Canadian Journal of Microbiology 41, no. 11 (1995): 1021–30. http://dx.doi.org/10.1139/m95-141.

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Strain ATCC 51466, a motile peanut Rhizobium sp., showed patterns of utilization of diverse carbon sources characteristic of fast growers. Bacteria had periplasmic neutral glucans with molecular weight close to 3000. When the extracellular concentration of NaCl was raised to 400 mM, the lag phase of the culture was prolonged about threefold and the generation time was increased almost twice. The changes in growth behavior of salt-stressed bacteria were accompanied by the full suppression of periplasmic oligoglucans and the accumulation of cellular trehalose. Almost identical changes in cell-as
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Weaver, Pablo F., Oscar Tello, Jonathan Krieger, et al. "Hypersalinity drives physiological and morphological changes inLimia perugiae(Poeciliidae)." Biology Open 5, no. 8 (2016): 1093–101. http://dx.doi.org/10.1242/bio.017277.

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Kinnison, Michael T., Martin J. Unwin, and Thomas P. Quinn. "Growth and salinity tolerance of juvenile chinook salmon (Oncorhynchus tshawytscha) from two introduced New Zealand populations." Canadian Journal of Zoology 76, no. 12 (1998): 2219–26. http://dx.doi.org/10.1139/z98-171.

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Self-sustaining populations of chinook salmon (Oncorhynchus tshawytscha) were established in New Zealand, from a common introduction group, near the turn of the 20th century. To investigate possible population divergence over this relatively short time scale we compared size, growth, and hypersalinity tolerance of families from two populations over their first year of rearing under shared conditions. Differences in initial fry mass were consistent with egg-size differences, but there was also evidence of genetic differences in early growth rates. Size differences between the populations decrea
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Dissertations / Theses on the topic "Hypersalinité"

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Cao, Quanquan. "Physiological and molecular responses of Atlantic and Mediterranean sea bass lineages to hypersalinity : A comparative study." Thesis, Université de Montpellier (2022-….), 2022. http://www.theses.fr/2022UMONG019.

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Le loup Européen ou bar (Dicentrarchus labrax) effectue des migrations saisonnières vers des habitats où la salinité peut atteindre des niveaux dépassant les 50 ‰, notamment dans les lagunes Méditerranéennes. Nous avons comparé les réponses physiologiques à l’hyper salinité de deux lignées génétiques de D. labrax, en provenance d’Atlantique et de Méditerranée Ouest. Le rôle du rein et de l’intestin dans la réabsorption d’eau dépendante du transport de solutés ont été analysés. L’expression des récepteurs de l’arginine vasotocine et de l’isotocine (AVTR et ITR) a également été mesurée. Les anal
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Smyth, Katie Louise. "Effects of hypersalinity on the behaviour, physiology and survival of commercially important North Sea crustaceans." Thesis, University of Hull, 2011. http://hydra.hull.ac.uk/resources/hull:7015.

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Despite the increasing number of hypersaline discharges associated with desalination and, more recently, solute mining activities, there is little existing information relating to the effects such environmental disruptions may have on populations of commercially-important crustacean species. The present studies aim to redress this information-gap with novel investigations which have addressed some hypersalinity-induced behavioural and physiological responses of three crustacean species, the European lobster, Homarus gammarus (L), and two crab species, the brown crab, Cancer pagurus (L) and the
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Trevathan-Tackett, Stacey Marie. "Physiology and Biochemistry of the Tropical Seagrass Thalassia testudinum in Response to Hypersalinity Stress and Labyrinthula sp. Infection." UNF Digital Commons, 2011. http://digitalcommons.unf.edu/etd/391.

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Seagrass meadows are essential to coastal ecosystems and have experienced declines in abundance due to a series of environmental stressors including elevated salinity and incidence of disease caused by the pathogen Labyrinthula sp. This thesis evaluated the dynamics between T. testudinum and Labyrinthula concerning the impacts of short term elevated salinity stress on the early stages of infection in Thalassia testudinum (Chapter 2) as well as the presence of anti-labyrinthulid secondary metabolites produced by the tropical seagrass (Chapter 3). The results showed that short term exposure to h
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Young, Glen Christopher. "The fish fauna of two south-western Australian estuaries: Influence of an artificial entrance channel and of hypersalinity and prolonged closure." Thesis, Young, Glen Christopher (2000) The fish fauna of two south-western Australian estuaries: Influence of an artificial entrance channel and of hypersalinity and prolonged closure. PhD thesis, Murdoch University, 2000. https://researchrepository.murdoch.edu.au/id/eprint/52019/.

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The work undertaken for this thesis had the following two broad aims. The first was to determine the characteristics of the fish fauna of the Peel-Harvey Estuary in the mid 1990s, soon after the construction of a large artificial channel, the Dawesville Channel, into this estuary, and to compare these characteristics with those recorded in the early 1980s and thus prior to the construction of that channel. The second was to determine the characteristics of the ichthyofauna of the normally closed Wellstead Estuary, focusing in particular on elucidating the influence of both the extremely high s
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Dunham, Natasha Robin. "Influence of hydrological and environmental conditions on mangrove vegetation at coastal and inland semi-arid areas of the Gascoyne region." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2014. https://ro.ecu.edu.au/theses/1406.

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Mangrove stands are uncommon within semi-arid climates and rare within inland systems. It is uncertain whether the same environmental variables influence mangroves growing in a semi-arid climate as the trees growing in tropical and sub-tropical areas. Field studies conducted on the ecophysiological responses of the mangrove species Avicennia marina are few; however hydrological regimes are considered the key factor influencing mangrove stand zonation, structure and individual tree growth. The Gascoyne region of Western Australia provides a unique opportunity to investigate whether mangroves gr
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Harbison, John Edwin. "Groundwater chemistry and hydrological processes within a Quaternary coastal plain: Pimpama, Southeast Queensland." Thesis, Queensland University of Technology, 2007. https://eprints.qut.edu.au/16647/1/John%20Harbison%20Thesis.pdf.

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The Pimpama estuarine plain in subtropical southeast Queensland is comprised of Quaternary sediments infilling older bedrock. These multilayered unconsolidated sediments have various depositional origins, and are highly heterogeneous. The plain is low-lying and the surface drainage is controlled by flood mitigation measures including tidal gates and channelised streams. The control of surface drainage potentially affects the shallow water table. This modification of hydrology has implications for future viability of agriculture and also the environmental health of waterways. Increased landscap
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Harbison, John Edwin. "Groundwater chemistry and hydrological processes within a Quaternary coastal plain: Pimpama, Southeast Queensland." Queensland University of Technology, 2007. http://eprints.qut.edu.au/16647/.

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The Pimpama estuarine plain in subtropical southeast Queensland is comprised of Quaternary sediments infilling older bedrock. These multilayered unconsolidated sediments have various depositional origins, and are highly heterogeneous. The plain is low-lying and the surface drainage is controlled by flood mitigation measures including tidal gates and channelised streams. The control of surface drainage potentially affects the shallow water table. This modification of hydrology has implications for future viability of agriculture and also the environmental health of waterways. Increased landscap
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Sung, Ming-Hsuan, and 宋明軒. "The protease genes expression in Ulva fasciata (Ulvales, Chlorophyta) in relation to hypersalinity-induced oxidative stress and protein oxidation." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/40191560017263241502.

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碩士<br>國立中山大學<br>海洋生物研究所<br>94<br>This study has investigated the gene expression of ubiquitin、20S proteasome beta subunit type 1 (20sβ1)、ubiquitin-conjugating enzyme e2 (ucee2)、ATP-dependent caseinolytic protease regulatory subunit (clpC) in the marine macroalga Ulva fasciata Delile in relation to the hypersalinity-induced oxidative stress and protein oxidation. During the early stage (0-1 h), the water contents and TTC (2,3,5-tripheny tetrazolium chloride) reduction ability maintained unchanged but recovery ability and photosynthetic ability (PS II activity as indicated by Fv/Fm) were decrea
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Eboagwu, Uche. "Evaluation of Membrane Treatment Technology to Optimize and Reduce Hypersalinity Content of Produced Brine for Reuse in Unconventional Gas Wells." Thesis, 2011. http://hdl.handle.net/1969.1/ETD-TAMU-2011-08-10006.

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Over 18 billion barrels of waste fluids are generated annually from oil and gas production in the United States. As a large amount of water is used for oilfield operations, treating and reusing produced water can cut the consumption of fresh water in well sites. This research has helped to develop a membrane process train for a mobile produced water treatment unit for treating oilfield produced brine for reuse. To design the process train, over 30 sets of combination tests at pilot laboratory scale were performed using pretreatment, microfiltration and nanofiltration processes. Membrane per
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Book chapters on the topic "Hypersalinité"

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Purnama, Anton. "Assessing the Environmental Impacts of Seawater Desalination on the Hypersalinity of Arabian/Persian Gulf." In The Arabian Seas: Biodiversity, Environmental Challenges and Conservation Measures. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-51506-5_58.

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Ribbe, Joachim. "Climate impact on hypersalinity in an Australian coastal bay." In Climate Alert. Sydney University Press, 2010. http://dx.doi.org/10.2307/j.ctv2kg15wg.11.

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Ahyong, Shane T., and Chao Huang. "Colonization, Adaptation, Radiation, and Diversity in Fresh Water." In Evolution and Biogeography. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780190637842.003.0012.

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About 12,000 of the 67,000 described species of crustaceans occur in fresh water. Crustaceans have colonized almost every type of freshwater environment in most parts of all continents. A common theme in marine-to-freshwater transitions is not only acquisition of osmoregulatory capabilities to cope with hyposalinity, but also optimizing reproductive strategies to cope with ecological and environmental variability. A key reproductive adaptation for fresh water is direct rather than extended planktonic development. Some groups, such as peracarids, were preadapted, already having direct development, whereas others, such as decapods, had to acquire it. Other crustaceans, such as branchiopods, are adapted not only to hyposalinity (and hypersalinity) but also to surviving in transient waters. Crustaceans have been colonizing fresh waters since the Middle Cambrian to Early Ordovician and have independently adapted to life in inland waters many times throughout geological history. The pattern and timing of invasions has shaped present-day distributions. Contemporary distributions and diversity of crustaceans in surface waters are surveyed in the context of their paleohistory. Different groups of crustaceans have very different current distributions that reflect the differential influence of different patterns of colonization, geological history, ecology, and the constraints (or benefits) of their evolutionary heritage.
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Tweedley, James R., Sabine R. Dittmann, Alan K. Whitfield, Kim Withers, Steeg D. Hoeksema, and Ian C. Potter. "Hypersalinity: Global Distribution, Causes, and Present and Future Effects on the Biota of Estuaries and Lagoons." In Coasts and Estuaries. Elsevier, 2019. http://dx.doi.org/10.1016/b978-0-12-814003-1.00030-7.

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Conference papers on the topic "Hypersalinité"

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Echevarria, Victor. "Engineering Solutions to the Problem of Hypersalinity in Florida Power & Light’s Turkey Point Cooling Canals." In SNAME Maritime Convention. SNAME, 2010. http://dx.doi.org/10.5957/smc-2010-stu01.

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The aim of this project is to investigate engineering methods to reduce salinity in the cooling canals at the Florida Power &amp; Light (FP&amp;L) Turkey Point Power Plant. In order to stop discharging hot water from the plant into the adjacent Biscayne Bay, a cooling canal system was made operational in 1972 that occupies an area 3.2 km wide by 8.0 km long extending south of the plant. The 5,900 acre canal system has been measured at twice the salinity of the adjacent Biscayne Bay at as high as 68 ppt [Appendix i]. Florida Power &amp; Light added a canal along the western perimeter of the coo
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Baird, Payton Grey, and Gary L. Gianniny. "HYPERSALINITY AND STROMATOLITIC BIOHERM GROWTH IN THE DEVONIAN ELBERT FORMATION OF THE SOUTHERN SAN JUAN MOUNTAINS, COLORADO." In 72nd Annual GSA Rocky Mountain Section Meeting - 2020. Geological Society of America, 2020. http://dx.doi.org/10.1130/abs/2020rm-346783.

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