Fabry, V. J., J. B. McClintock, J. T. Mathis, and J. M. Grebmeier, 2009: Ocean
acidification at high latitudes: The bellwether.
Marine Biologist Lydia Kapsenberg will discussed her research project monitoring ocean
acidification at Channel Islands National Park during the March From Shore to Sea lecture.
From January to June 2013, more than 60 European scientists will conduct a worldwide unique long - term experiment on ocean
acidification at the west coast of Sweden.
What about the possible consequences of ocean
acidification at biology, ecology and biogeochemistry level?
In order to address the challenges of future ocean
acidification at a regional scale, it is necessary to increase the resolution of spatial and temporal monitoring of the inorganic carbon system beyond what is currently available.
While anthropogenic CO2 emissions are driving
acidification at global scales, processes occurring at local scales can also affect ocean chemistry.
What next steps should a coral reef manager take after reading this article to address the impacts of ocean
acidification at their site?
Finally, EPOCA assesses uncertainties, risks and thresholds («tipping points») related to ocean
acidification at molecular, cellular, organismal, local and global scales.
And her budget request to the legislature, to be released next month, will include $ 3.3 million to implement the report's recommendations and establish a new center for ocean
acidification at UW.
DSM said it offers consistent and robust
acidification at high temperatures with a low dosage, helping cheese manufacturers meet changing market needs.
Not exact matches
In 1985 the ELA again made headlines with publication of the research, which proved that that
acidification can damage a lake's food chain
at a pH level of 6.0, 10 times less acidic than that previously assumed.
«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.
Once the fish had reached the age
at which they would normally swim to the open ocean, the researchers transferred the fish into saltwater tanks that had either the same or increased levels of CO2 - induced
acidification.
Limestone scrubbers deployed
at natural gas power plants could help reduce carbon emissions as well as lower ocean
acidification by pumping a byproduct of the scrubbing process back into the water, according to an experiment conducted by the Energy Department's Lawrence Livermore National Laboratory.
«This approach not only mitigates CO2, but also potentially treats the effects of ocean
acidification,» said Rau, adding that he believes more research
at a larger scale is warranted.
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.
Five cultures each were kept under control conditions (15 °C) and
at elevated water temperature (26 °C) in combination with three different concentrations of carbon dioxide (CO2): a control value with today's conditions, the conditions of the Intergovernmental Panel on Climate Change's «worst case scenario» and the highest possible degree of
acidification.
Still others have explored other ocean metrics, such as the concentration of shell - building minerals, as a more accurate way to keep tabs on
acidification's impacts
at a local level.
«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.
A hard look
at experimental setups may start to explain dueling predictions on whether ocean
acidification will boost, or choke, vital marine nitrogen fixers.
In 2012, evolutionary ecologists
at GEOMAR showed for the first time that Emiliania huxleyi is able to adapt to ocean
acidification by means of evolution.
Storing gas underneath the ocean floor is a «poor choice,» he said, since gas leaking
at the same rate could spur
acidification and harm corals and other sea life.
At a global level, the excess of atmospheric CO2 is absorbed by ocean waters and it causes changes in water chemistry (pH decrease or ocean
acidification).
In a presentation
at a recent ocean
acidification conference, Tatters reported that the more CO2 and the less silicate, the higher the diatom's toxin production — more than doubling
at the level of dissolved CO2 scientists expect the oceans to reach by 2100.
Having completed her PhD
at the University of Exeter, Dr Kennedy's latest research involves assessing the responses of coralline algae to ocean
acidification and warming.
As waters to continue to warm and ocean
acidification changes the chemistry of Earth's marine systems, corals, and the incredible diversity of life they support, are
at risk of vanishing.
A major thrust of current research is to understand how creatures like these
at the bottom of the food chain respond to ocean
acidification.
All things considered, the NOAA budget released today is «decently healthy,» says Jeff Watters, director of government relations
at the Ocean Conservancy in Washington, D.C. Even some areas that weren't highly funded — for example, ocean
acidification research — still received a slight boost over the previous fiscal year.
A look
at the chemistry of ocean
acidification explains why.
Cantwell said that the science underway
at DOE will be critical to understanding the impacts of the rising greenhouse - gas levels in the atmosphere — from Arctic sea - ice melt to ocean
acidification — and maintaining US leadership in clean - energy technologies.
«A decline in the saturation state of carbonate minerals, especially aragonite, is a good indicator of a rise in ocean
acidification,» said Li - Qing Jiang, an oceanographer with NOAA's Cooperative Institute for Climate and Satellites
at the University of Maryland and lead author.
Prior research has largely focused on the negative impacts of ocean
acidification on reef growth, but new research this week from scientists
at the Hawai'i Institute of Marine Biology (HIMB), based
at the University of Hawai'i — Mānoa (UHM), demonstrates that lower ocean pH also enhances reef breakdown: a double - whammy for coral reefs in a changing climate.
«It really changes the game» by demonstrating that
acidification is having a noticeable impact, says biological oceanographer Jan Newton, co-director of the Washington Ocean Acidification Center at the University of Washing
acidification is having a noticeable impact, says biological oceanographer Jan Newton, co-director of the Washington Ocean
Acidification Center at the University of Washing
Acidification Center
at the University of Washington, Seattle.
To gauge how
acidification might be affecting the Pacific, biological oceanographer Nina Bednaršek of the National Oceanic and Atmospheric Administration (NOAA) in Seattle and colleagues collected pteropods
at 13 sites during a 2011 research cruise between Washington and southern California.
Researcher Michael O'Donnell, an ecologist
at the University of Washington, has shown that ocean
acidification, a process in which absorbing large amounts of carbon dioxide lowers the pH of oceans, is weakening mussels» byssal threads.
The researchers also looked
at whether
acidification altered the «boldness» of the crabs, or how long it took them to withdraw into their shells when attacked by a toy octopus held by a scientist.
«The Arctic Ocean is the first ocean where we see such a rapid and large - scale increase in
acidification,
at least twice as fast as that observed in the Pacific or Atlantic oceans,» said Cai, the U.S. lead principal investigator on the project and Mary A.S. Lighthipe Professor of Earth, Ocean, and Environment
at UD.
To see how
acidification might affect one deepwater creature, marine biologist Taewon Kim and colleagues
at the Monterey Bay Aquarium Research Institute in Moss Landing, California, used a robot submarine to vacuum up some deep - sea hermit crabs (Pagurus tanneri) that live off the coast of California
at depths of 900 meters.
Scientists
at the Max Planck Institute for Meteorology (MPI - M), Dr. Katharina Six, Dr. Silvia Kloster, Dr. Tatiana Ilyina, the late Dr. Ernst Maier - Reimer and two co-authors from the US, demonstrate that ocean
acidification may amplify global warming through the biogenic production of the marine sulfur component dimethylsulphide (DMS).
Local pressures, in particular overfishing, destructive fishing, and pollution from nearby land - based human activity, are paramount, but global warming has caused increased bleaching and ocean
acidification, which makes it harder for corals to grow, compounding the problems, the World Resources Institute (WRI) and 24 other organizations concluded in «Reefs
at Risk Revisited,» an update of a 1998 report.
At pH 7.1, which is expected to roughly approximate the pH of water upwelling on the West Coast with ocean acidification, zoeae survival remained low at 21 percen
At pH 7.1, which is expected to roughly approximate the pH of water upwelling on the West Coast with ocean
acidification, zoeae survival remained low
at 21 percen
at 21 percent.
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.
They believe that the threats posed from ocean
acidification (OA) and ocean warming can,
at least to some extent, be balanced by adaptation and evolution.
«Ocean
acidification puts NW Dungeness crab
at risk: Study finds lower pH reduces survival of crab larvae.»
At a Senate hearing where the NRC report was unveiled, Senator Maria Cantwell (D - WA) said the Committee on Commerce, Science, and Transportation would like to see the budget of NOAA's
acidification research program nearly double next year, to $ 20 million.
Survival of Dungeness crab larvae, called zoeae, declined
at the lower pH levels expected with ocean
acidification.
As part of the research projects SOPRAN (Surface Ocean Processes in the Anthropocene) and BIOACID (Biological Impacts of Ocean
Acidification) the KOSMOS system was deployed in the Raunefjord
at the west coast of Norway, were blooms of Emiliania huxleyi regularly occur in late spring.
Those models will look
at impacts such as regional average temperature change, sea - level rise, ocean
acidification, and the sustainability of soils and water as well as the impacts of invasive species on food production and human health.
Two groups of urchins were held
at different pH levels — one that was low pH, akin to ocean
acidification conditions, and another that mimicked normal non-upwelling pH conditions.
Because purple sea urchin females can condition their progeny to experience future stress, the urchins have tools
at hand to respond to changes like ocean
acidification.»