Together these measurements can be used to assess
ocean acidification more quickly and over much larger areas than has been possible before.
Not exact matches
Examples include cleaning up floating plastic debris, slowing down the pace of
ocean acidification, and gathering far
more data about the habitat impact of illegal overfishing.
Supposed calamities like the accelerated rise of sea level,
ocean acidification,
more extreme climate, tropical diseases near the poles, and so on are greatly exaggerated.
There are clues that these species may fare better than their stony counterparts after a disaster, but
more research needs to be done to understand how storms, warming waters and
ocean acidification can alter the composition of reefs and whether these changes are permanent or short - lived, Lasker says.
She has also written blog posts on Medium.com, participated in a Reddit AMA (Ask Me Anything) that generated
more than 800 questions, and engages regularly with oyster farmers to better understand the impacts of
ocean acidification on shellfish farming.
«Hillary Clinton is listening to the scientists who tell us that — unless we act boldly and transform our energy system in the very near future — there will be
more drought,
more floods,
more acidification of the
oceans,
more rising sea levels.
«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.
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.
These floating menaces are taking over the world's
oceans thanks to climate change and
ocean acidification, the thinking goes, and soon waters will be filled with little
more than the animals» pulsating goo.
As contemporary signs of global warming, Schneider and his colleagues point to rapidly melting polar icecaps,
ocean acidification, loss of coral reefs, longer - lasting droughts,
more devastating wildfires, and rising sea level.
According to Figuerola, «the skeletons with significant amounts of Mg are even
more soluble and consequently,
more susceptible to the
ocean acidification than skeletons containing low Mg - levels.»
Add in the stress of
ocean acidification and protecting coral reefs becomes even
more important (and challenging).
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.
«If
more of these reefs are there, that would run counter to what
ocean acidification and carbonate chemistry dictates,» Baco - Taylor said.
While
ocean acidification has yet to plague the East Coast oyster industry, hatcheries in Oregon have struggled with persistent production failures, as oyster larvae fail to survive in
more acidic waters.
Each year the
oceans absorb CO2 from the atmosphere and become
more acidic, a process called
ocean acidification.
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.
«These organisms have really sensitive windows to
ocean acidification — even
more sensitive than we thought.»
But they conclude that marine organisms with skeletons made of high - magnesium calcite may be especially susceptible to
ocean acidification because this form of calcium carbonate dissolves
more easily than others.
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.
These organisms appear to be particularly vulnerable to
ocean acidification because their shells and skeletons are
more vulnerable to dissolution than pure calcite and aragonite.
Catriona Clemmesen from GEOMAR, another study co-author, says that herring larvae may be naturally
more able to adapt to
ocean acidification.
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.
This process, termed
ocean acidification, makes it energetically
more costly for calcifying organisms to form their calcareous shells and skeletons.
With the human population continuing to rise by 75 million or
more per year and with torrid economic growth in much of the developing world, the burdens of deforestation, pollution, greenhouse gas emissions, species extinction,
ocean acidification and other massive threats intensify.
Even after
more than two thousand generations under acidified conditions, these responses still prevail to some extent, suggesting that evolutionary adaptation may not be able to completely eliminate the negative effects of
ocean acidification.
«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 ability to adapt to changing conditions is going to become even
more important as humans impact the environment, whether it's from
ocean acidification or increasing temperatures or other types of global changes that are occurring.»
It is the policy of the Federal Government, in cooperation with State and local governments, Indian tribes, and other interested stakeholders to use all practicable means and measures to protect, restore, and conserve natural resources to enable them to become
more resilient, adapt to, and withstand the impacts of climate change and
ocean acidification.
(C) identifies and prioritizes adaptation strategies to protect, restore, and conserve natural resources to enable them to become
more resilient, adapt to, and withstand the impacts of climate change and
ocean acidification, including --
(4) identifies decision tools necessary to develop strategies for assisting natural resources to become
more resilient and adapt to and withstand the impacts of climate change and
ocean acidification.
(4) establish methods for assessing the effectiveness of strategies and conservation actions taken to protect, restore, and conserve natural resources to enable them to become
more resilient, adapt to, and withstand the impacts of climate change and
ocean acidification, and for updating those strategies and actions to respond to new information and changing conditions;
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).
BIOACID contributed to the scientific discourse on
ocean acidification through
more than 580 peer - reviewed publications.
Here we show that CaCO3 dissolution in reef sediments across five globally distributed sites is negatively correlated with the aragonite saturation state (Ωar) of overlying seawater and that CaCO3 sediment dissolution is 10-fold
more sensitive to
ocean acidification than coral calcification.
While this is an appropriate approach in view of the scarcity of biological information, there is a clear need to establish a reliable data base on tolerance levels for
ocean acidification in key groups of
ocean -
acidification sensitive marine organisms in order to reach a
more informed recommendation.
And while most of the disasters foreseen in the book have not occurred, environmental problems overlooked at the time have become
more threatening, such as the
acidification of the
oceans and the release of hormone - mimicking chemicals into the environment.
When the intensity of storms becomes
more frequent, coral skeletons are likely to become
more susceptible to breakage under
ocean acidification and therefore
more susceptible to storm damage.
More information on the effects of
ocean acidification is a major environmental priority because of the threat it poses to certain processes, organisms and ecosystems.
In this BIOACID Science Portrait, Ulf Riebesell tells you how the KOSMOS mesocosms, «giant test tubes», help researchers to find out
more about the reactions of plankton communities to
ocean acidification — and what these field experiments mean to him.
identify where the impacts of
acidification on Mediterranean waters will be
more significant, taking into account the sequence of causes and effects, from
ocean chemistry through marine biology to socio - economic costs.
We know that
acidification of the
ocean makes it
more difficult for some plankton to make shells.
We have recently published a book in the Oxford University Press called «
Ocean acidification» where I looked at the literature and in 2010
more than 600 authors have published on this topic!
It's making them
more acidic, a process called
ocean acidification.
To put things simply,
ocean acidification is progressing faster in colder water and it is very easy to understand, because every gas is
more soluble in cold water and it dissolves much faster.
The simulations reveal AOA is
more effective under lower emissions, therefore the higher the emissions the
more AOA is required to achieve the same reduction in global warming and
ocean acidification.
«Doing that, you see many
more communities are vulnerable to
ocean acidification than previously thought.»
Young sea stars from the Baltic Sea suffer
more from the effects of
ocean acidification than adults.
She noted that the localized analysis provided a clearer view than
more typical global analyses of
ocean acidification.
BIOACID contributed to the scientific discourse on
ocean acidification in
more than 580 peer - reviewed publications.