Risultati della ricerca - Temperature decrease

Low-steady-state metabolism induced by elevated CO2 increases resilience to UV radiation in the unicellular green-algae Dunaliella tertiolecta di García-Gómez, Candela, Mata, M T, Van Breusegem, Frank, Segovia, María

Sommario: “... activity, reactive oxygen species accumulation (ROS), and 14C fixation decreased under HC compared to LC...”
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Seawater carbonate chemistry and biological processes during experiments with four species of marine diatoms di Trimborn, Scarlett, Wolf-Gladrow, Dieter A, Richter, Klaus-Uwe, Rost, Björn

Sommario: “... activities strongly increased with decreasing CO2 supply while constantly low activities were obtained...”
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Seawater carbonate chemistry and photosynthetic performance and N2 fixation in the marine cyanobacterium Trichodesmium di Li, He, Gao, Kunshan

Sommario: “... generations. Our results showed that reduced O2 levels decreased dark respiration significantly, and increased...”
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Negative effects of ocean acidification on calcification vary within the coccolithophore genus Calcidiscus di Diner, Rachel E, Benner, Ina, Passow, Uta, Komada, Tomoko, Carpenter, E J, Stillman, Jonathon H

Sommario: “... responded negatively to OA with impaired coccolith morphology and a decreased ratio of particulate inorganic...”
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Seawater carbonate chemistry, growth rate and PIC and POC production during experiments with Emiliania huxleyi (B92/11), 2011 di Bach, Lennart Thomas, Riebesell, Ulf, Schulz, Kai Georg

Sommario: “... CO2 range, growth rates and organic carbon production decreased steadily with declining pH...”
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Could the acid-base status of Antarctic sea urchins indicate a better-than-expected resilience to near-future ocean acidification? di Collard, Marie, De Ridder, Chantal, David, Bruno, Dehairs, Frank, Dubois, Philippe

Sommario: “... impacted by the decrease in the oceans' pH and carbonate ions concentration. In particular, sea urchins...”
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Seawater carbonate chemistry and fatty acid content of plankton di Wang, Tifeng, Tong, Shanying, Liu, Nana, Li, Futian, Wells, Mark L, Gao, Kunshan

Sommario: “... carbon chemistry, but decreasing pH may influence other aspects of cellular metabolism. Here we present...”
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Seawater carbonate chemistry and pulsation and growth of the widespread soft coral Xenia umbellata di Tilstra, Arjen, Braxator, Lorena, Thobor, Bianca, Mezger, Selma D, Hill, Claudia E L, El-Khaled, Yusuf C, Caporale, Giulia, Kim, Sohyoung, Wild, Christian

Sommario: “... of the widespread pulsating soft coral Xenia umbellata to simulated OA conditions. We gradually decreased the pH...”
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Seawater carbonate chemistry and plankton community structure during a winter-tosummer succession di Taucher, Jan, Haunost, Mathias, Boxhammer, Tim, Bach, Lennart Thomas, Algueró-Muñiz, Maria, Riebesell, Ulf

Sommario: “... shifts in marine carbonate chemistry and a decrease in seawater pH. These changes–summarized by the term...”
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Experiment: Physiological responses of the calcifying rhodophyte, Corallina officinalis (L.), to future CO2 levels di Hofmann, Laurie C, Yildiz, Gamse, Hanelt, D, Bischof, Kai

Sommario: “... and beyond. Our results show that growth and production of inorganic material decreased under high CO2 levels...”
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Seawater carbonate chemistry, stable carbon isotope fractionation and growth rate during experiments with marine phytoplankton community, 1999 di Burkhardt, Steffen, Riebesell, Ulf, Zondervan, Ingrid

Sommario: “... fractionation. A decrease in [CO2,,,] from ca 26 to 3 pm01 kg-' caused a decrease in E, by less than 3%0...”
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Seawater carbonate chemistry and benthic foraminifera Ammonia sp. mass, size, and growth rate during experiments, 2013 di Keul, Nina, Langer, Gerald, de Nooijer, Lennart Jan, Bijma, Jelle

Sommario: “... surface ocean pH to decrease and is commonly referred to as ocean acidification (OA). Foraminifera are one...”
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Seawater carbonate chemistry and biological processes during experiments with Patella vulgata, 2010 di Marchant, Hannah K, Calosi, Piero, Spicer, John I

Sommario: “... this time could still compromise feeding in the longer term, in turn decreasing the top-down ecosystem...”
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Seawater carbonate chemistry and growth, calcification of Thoracosphaera heimii in a laboratory experiment di Van de Waal, Dedmer B, John, Uwe, Ziveri, Patrizia, Reichart, Gert-Jan, Hoins, Mirja, Sluijs, Appy, Rost, Björn

Sommario: “... it decreased for calcification, which suggests interdependence between both processes. We also found a strong...”
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Seawater carbonate chemistry and photosynthesis of a coccolithophorid in a laboratory experiment di Jin, Peng, Gao, Kunshan, Villafañe, Virginia E, Campbell, Douglas A, Helbling, E Walter

Sommario: “... synergistically to lower carbon fixation by G. oceanica, although ocean acidification may decrease ultraviolet B...”
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Seawater carbonate chemistry and growth rates, physiology, and geneexpression of Heterosigma akashiwo di Hennon, Gwenn M M, Williamson, Olivia M, Hernández Limón, María D, Haley, Sheean T, Dyhrman, Sonya T

Sommario: “... and a significant decrease in hydrogen peroxide concentration at 1000 ppm. Whole transcriptome...”
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Stable oxygen and carbon isotope ratios for Early to Middle Cretaceous benthic and planktonic foraminifera of DSDP Hole 62-463 from the Mid Pacific Mountains (Table 1) di Price, Gregory D, Hart, Malcom B

Sommario: “... (and/or decrease in salinity) in the Cenomanian suggests a reduction of the poleward heat flux, promoting the build...”
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Seawater carbonate chemistry and dark respiration and photosynthetic capacity during experiments with coral Acropora formosa, 2010 di Crawley, Alicia, Kline, David I, Dunn, Simon, Anthony, Kenneth R N, Dove, Sophie

Sommario: “... respiration per cell and xanthophyll de-epoxidation increased, with resultant decreases in photosynthetic...”
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Seawater carbonate chemistry and biological processes during experiments with haploid and diploid life stages of Emiliania huxleyi, Calcidiscus leptoporus and Syracosphaera pulchra di Fiorini, Sarah, Middelburg, Jack J, Gattuso, Jean-Pierre

Sommario: “... life stages of S. pulchra and of the haploid stage of E. huxleyi markedly decreased at elevated pCO2...”
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Impacts of elevated CO2 on particulate and dissolved organic matter production: microcosm experiments using iron-deficient plankton communities in open subarctic waters di Yoshimura, T, Suzuki, Koji, Kiyosawa, H, Ono, Tsuneo, Hattori, Hiroshi, Kuma, Kenshi, Nishioka, Jun

Sommario: “... production decreased with increasing pCO2. While net produced POC:PN did not show any CO2-related variations...”
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