Sentences with phrase «study of acidification»
Orly Levitan, an author of what may have been the first study of acidification boosting nitrogen fixation, says she would consider changing her seawater recipe based on the new paper if she were to revisit this work.
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Hall's coral studies focus on the effects of heat, acidification, and disease, which help scientists find and breed particularly resilient candidates for replanting on reefs.
«Ocean acidification can affect individual marine organisms along the Pacific coast, by changing the chemistry of the seawater,» said lead author Brittany Jellison, a Ph.D. student studying marine ecology at the UC Davis Bodega Marine Laboratory.
«This study focused on one single stressor, ocean acidification, but we must keep in mind that the combination of several stressors, such as ocean acidification and warming could lead to larger impacts on baby corals,» Dr Moya says.
A crucial reason why the study of freshwater acidification has lagged until now is because determining how atmospheric carbon affects these ecosystems requires complex modeling, and is much less clear than that occurring in oceans, according to study author Linda Weiss, an aquatic ecologist at Ruhr University Bochum in Germany.
«It is now time to evaluate how to make the most of satellite and in situ data to help us understand ocean acidification, and to establish where remotely sensed data can make the best contribution,» Peter Land, lead author of the new study and researcher at Plymouth Marine Laboratory, said in a press release accompanying the new study.
«The marine calcifiers that live in polar regions are particularly vulnerable to the effects of ocean acidification, a progress which is reducing their mineralization capacity and forming calcium carbonate (CaCO3) skeletons used as a protective and supporting structure against predators» says Blanca Figuerola, main author of the scientific study.
A study published yesterday in Current Biology suggests ocean acidification is driving a cascading set of behavioral and environmental changes that drains oceans» biodiversity.
«Marine vegetation can mitigate ocean acidification, study finds: Conservation of shoreline plants and seaweeds could, in turn, help preserve shellfish habitats.»
In a new study published in Global Change Biology, University of Miami (UM) Rosenstiel School of Marine & Atmospheric Science researchers Sean Bignami, Su Sponaugle, and Robert Cowen are the first to study the effects of acidification on the larvae of cobia (Rachycentron canandum).
The latest research by the University of Exeter reveals that less than 4 % of climate - change studies have tested the impact of ocean acidification on males and females separately.
In the new study, scientists determined the saturation state of aragonite in order to map regions that are vulnerable to ocean acidification.
Taylor and her colleagues also tested water temperature and pH levels in the laboratory to study the impact of ocean warming and acidification on the exoskeletons of several species of crustacean.
The waters probed during this study, known as the California Current, are a hot spot of ocean acidification because of coastal upwelling, which brings naturally acidic waters to the surface, where they are made even more acidic by greenhouse gas pollution.
According to a study conducted by marine biologists of GEOMAR Helmholtz Centre for Ocean Research Kiel and Rostock University within the German research network BIOACID (Biological Impacts of Ocean Acidification), eutrophication — that is already known for its negative effects — and rising seawater temperatures could lead to a decline of the bladder wrack in the Baltic Sea.
The one - two punch of warming waters and ocean acidification is predisposing some marine animals to dissolving quickly under conditions already occurring off the Northern California coast, according to a study from the University of California, Davis.
The authors said the study underlines the increasing vulnerability of calcified animals to ocean acidification, which occurs as the ocean absorbs more atmospheric carbon emitted through the burning of fossil fuels.
A study of California mussels, a key species in the rocky intertidal ecosystems of the West Coast, indicates that the effects of ocean acidification will vary from place to place along the coast depending on a range of interacting factors.
Aran Mooney, a biologist at the Woods Hole Oceanographic Institute who studies the effects of ocean acidification on Atlantic long - fin squid larvae, said some methods Sunday recommends are not practical for studying all species.
But this study is the first to probe how the coral microbiome and physiology respond to simultaneous stresses of temperature and acidification.
«Ocean acidification puts NW Dungeness crab at risk: Study finds lower pH reduces survival of crab larvae.»
The lab finding is «part of a growing body of evidence that ocean acidification alone and combined with other stressors will have effects beyond shell mineralization,» said Terrie Klinger, a University of Washington marine sciences professor studying the impacts of acidification.
This study also provides clues of how ocean acidification may impact marine organisms.
«Shellfish response to ocean acidification depends on other stressors: Vulnerability of mussels to harmful effects from acidic seawater varies among different locations along the West Coast, study finds.»
«A great majority of producers experienced important difficulties in past years as a consequence of summer heat waves,» said Luis Rodrigues, a researcher with a European Commission panel studying acidification.
Ocean acidification expected to accompany climate change may slow development and reduce survival of the larval stages of Dungeness crab, a key component of the Northwest marine ecosystem and the largest fishery by revenue on the West Coast, a new study has found.
The scientists hope to gain more insight into this by exploring how past changes in seawater pH have impacted these organisms, but also through further field and laboratory studies testing the effect of ocean acidification on these calcifiers.
Or they might decrease the water's pH by 0.4 units to study the effects of ocean acidification.
On the other hand, she says, «In laboratory studies, pH variability often limited the effects of ocean acidification, but the effects of temperature variability on responses to warming were equivocal.»
Modelling studies suggest that around Llyn Brianne reductions of between 30 and 50 per cent in the acidity of rainfall will be necessary to prevent further acidification of soils and streams and only a 60 to 90 per cent reduction would allow recovery of fisheries, river invertebrates and fishing birds such as dippers.
The results of this study demonstrate the importance of investigating the effects of ocean acidification in natural communities.
Pink salmon that begin life in freshwater with high concentrations of carbon dioxide, which causes acidification, are smaller and may be less likely to survive, according to a new study from UBC.
For the study, five cultures were kept under a constant temperature and three different concentrations of carbon dioxide (CO2): a control value with today's conditions, the conditions that could be reached until the end of this century according to the most critical calculations of the Intergovernmental Panel on Climate Change (IPCC), and the highest possible degree of acidification.
Previous studies, including work by Cai, have shown that acidification can be particularly serious in nutrient - rich coastal waters which often contain areas with too little oxygen and high levels of carbon dioxide near the bottom.
Wild barramundi populations are likely to be at risk under ocean acidification, a new University of Adelaide study has found.
The study, which also involved researchers from the National Oceanography Centre, Southampton and University College London, was funded by a Natural Environment Research Council (NERC) studentship to Dr O'Dea and a Royal Society Research Fellowship to Dr Gibbs, Senior Research Fellow in Ocean and Earth Science at the University of Southampton, with additional support by the UK Ocean Acidification Research Programme.
«This study shows for the first time that the oxidation of hydrogen sulfide and ammonia from the bottom waters could be a major contributor to lower pH in coastal oceans and may lead to more rapid acidification in coastal waters compared to the open ocean,» said Cai, the paper's lead author and an expert in marine chemistry and carbon's movement through coastal waters.
The team analyzed little studied factors that play a role in ocean acidification (OA)-- changes in water chemistry that threaten the ability of shellfish such as oysters, clams and scallops to create and maintain their shells, among other impacts.
The risks of ocean acidification on marine species have been studied extensively but the impact of freshwater acidification is not well understood.
An NAS committee will release a congressionally mandated study by the end of next month that will address everything from scientific questions about how ocean acidification will affect marine life and ocean - dependent industries to recommendations for a national acidification research program.
Ed Miles, a professor of marine studies and public affairs at the University of Washington, said the prospect of a coordinated federal ocean acidification research program is welcome news, especially given the conditions Feely observed off the California coast in 2008.
... [I] t is important to acknowledge that there are no studies that directly demonstrate modern day effects of OA [ocean acidification] on marine species.»
In a study published today in the journal Nature Climate Change, the researchers report that increased ocean acidification by 2100 will spur a range of responses in phytoplankton: Some species will die out, while others will flourish, changing the balance of plankton species around the world.
The effects of ocean acidification on a pelagic community and their impacts on food webs and biogeochemical cycles were studied in a long - term mesocosm experiment conducted in the Gullmar Fjord at the west coast of Sweden.
«A study of coral reefs in the vicinity of carbon dioxide sources in Papua New Guinea suggests that there are indeed both winners and losers of acidification.
To date, studies of aragonitic, scleractinian CWC responses to ocean acidification have frequently examined short - term acclimation, with effects on coral bio-mineralization, growth, and skeletal strength only becoming evident in experiments run for periods of a year or more (e.g., Tittensor et al., 2010).
A growing number of studies have demonstrated adverse impacts on marine organisms as a result of ocean acidification, including the following: ref
Toby Tyrrell, Professor in Earth System Science at the University of Southampton and co-author of the study, said: «In the future ocean, the trade - off between changing ecological and physiological costs of calcification and their benefits will ultimately decide how this important group is affected by ocean acidification and global warming.
A variety of studies and analyses suggest that ocean acidification and warming affect important services the ocean provides to ecosystems and humankind.
«There have been a lot of studies showing that under ocean acidification scenarios that corals and other organisms on the reef calcify at a slower rate,» Kline says.