Posts Tagged ‘ocean acidification’

The Impact of Ocean Acidification and Warming on a Calcifying Predator-Prey Relationship

Friday, June 15th, 2012

Source:  CCR

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Landes, A. and Zimmer, M. 2012. Acidification and warming affect both a calcifying predator and prey, but not their interaction. can i get valtrex online. buy valtrex ( valaciclovir ). buy valtrex ( valaciclovir ). Marine Ecology Progress Series 450 baclofen mg, cheap lioresal, buy cheap baclofen, lioresal mg, purchase baclofen , although the great koch has told us recently that he has lioresal price  : 1-10.

According to Landes and Zimmer (2012), “both ocean warming and acidification have been demonstrated to affect the growth, performance and reproductive success of calcifying invertebrates.” However, they say that “relatively little is known regarding how such environmental change may affect interspecific interactions.” (more…)

Another Ocean “Acidification” Scare

Thursday, January 26th, 2012

Source: NIPCC

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Schram, J.B., McClintock, J.B., Angus, R.A and Lawrence, J.M. 2011. Regenerative capacity and biochemical composition of the sea star Luidia clathrata (Say) (Echinodermata: Asteroidea) under conditions of near-future ocean acidification. Journal of Experimental Marine Biology and Ecology 407: 266-274

According to Schram et al. (2011), “echinoderms produce their skeletal components from magnesium-rich calcite, a form of calcite that is even more vulnerable to ocean acidification than aragonite (Andersson et al., 2008; Gayathri top quality medications. price of oral prednisone . approved pharmacy, prednisone generic deltasone. et al., 2007),” and, therefore, they say that “an understanding of the prospective impacts of ocean acidification on internal skeletal structures of echinoderms is important, as the presence of an internal skeletal structure is unique in comparison to the majority of invertebrates studied to date in ocean acidification research.” The four researchers thus proceded to conduct their own experiment to add to that knowledge. (more…)

Taking Fears of Acid Oceans With a Grain of Salt

Saturday, January 7th, 2012

Source:  WSJ

[SPPI Note:  More in-depth papers on this issue can be found at the SPPI website:

C02 Science’s Ocean Acidification Database

Quantifying the Effects of Ocean Acidification on Marine Organisms

Effects of Ocean Acidification on Marine Ecosystems

Answers to a Fisherman’s Testimony about Ocean Acidification

EPA’s Role in Protecting Ocean Health Should Focus on the “Here-and-Now” Threats

See also CO2 Science website for reviewed papers on the topic 

“Once again, therefore, we have another situation where the doom-and-gloom prognostications of the world’s climate alarmists have been made without regard to the full spectrum of important phenomena that come to bear upon the issue in question, and where the conclusions they reach are found to be far more uncertain and much less extreme than what they portray them to be. Thus, it can be appreciated that the climate-alarmist horror stories of impending extinctions of earth’s marine calcifying organisms due to a CO2-induced decrease in seawater pH are merely that:stories, without any basis in fact.”


WSJ text beings here:

Coral reefs around the world are suffering badly from overfishing and various forms of pollution. Yet many experts argue that the greatest threat to them is the acidification of the oceans from the dissolving of man-made carbon dioxide emissions.

The effect of acidification, according to J.E.N. Veron, an Australian coral scientist, will be “nothing less than catastrophic…. What were once thriving coral gardens that supported the greatest biodiversity of the marine realm will become red-black bacterial slime, and they will stay that way.” (more…)

A Deep Sea Mystery

Friday, July 1st, 2011

by Ben Pile

Just when you thought it was safe to go back in the water…

World’s oceans in ‘shocking’ decline

buy feb 4, 2010 – where to buy prozac in canada how much does prozac sell for on the streets generic -zoloft- northstar – what is does generic prozac cause weight gain cost of fluoxetine fucidin online baclofen without prescription, buy baclofen no prescription – ndc pump refill kit baclofen le dernier verre side effects of baclofen medication . Warns Richard Black at the BBC.

The oceans are in a worse state than previously suspected, according to an expert panel of scientists.

In a new report, they warn that ocean life is “at high risk of entering a phase of extinction of marine species unprecedented in human history”.

They conclude that issues such as over-fishing, pollution and climate change are acting together in ways that have not previously been recognised.

The impacts, they say, are already affecting humanity.

The panel was convened by the International Programme on the State of the Ocean (IPSO), and brought together experts from different disciplines, including coral reef ecologists, toxicologists, and fisheries scientists.

Call me a cynic, but I no longer take claims about ‘expert panel of scientists’ at face value. Sadly, Richard Black of the BBC does. (more…)

The Left Opening a Third Front on Fossil Energy

Monday, June 6th, 2011

Source:  Numbers of the Month

Numbers watch

by John Brignell

The way to bring down a modern state is to attack its energy, manufacturing and transport systems, hence the dam busters and the bombing of German railways and factories during the Second World War. Nowadays, however, developed nations are under attack from the buy estrace vaginal cream without prescription , photos by jim benning, except: shanghai starbucks photo by c a m i l o via flickr, (creative commons);  Enemy Within, the neo-Marxist Greenies. Greenpeace, which in its inchoate form was a fairly straight environmental campaigning group, was soon taken over by political extremists and after its conversion to an apocalyptic vision lost original members such as Patrick Moore; but over time this has also happened to other mainstream parties. The UK is the world basket case in this respect (witness the passing without comment of the destructive carbon tax, which is being strongly resisted in other western countries) and almost the entire British political class have become true believers. Nevertheless, countries far apart in both distance and character, such as Australia and Germany , are manoeuvred relentlessly by their green parliamentary minorities in the direction of economic suicide. (more…)

Carbon Dioxide and Earth’s Future: Pursuing the Prudent Path

Wednesday, February 9th, 2011

Source:  CO2 Science

by Craig and Sherwood Idso

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This week we announce the release of our newest major report, Carbon Dioxide and Earth’s Future: Pursuing the Prudent Path. Based on the voluminous periodic reports of the Intergovernmental Panel on Climate Change (IPCC), the ongoing rise in the atmosphere’s CO2 concentration has come to be viewed as a monumental danger — not only to human society, but to the world of nature as well. But are the horrific “doomsday scenarios” promulgated by the climate alarmists as set-in-stone as the public is led to believe? Do we really know all of the complex and interacting processes that should be included in the models upon which these scenarios are based? And can we properly reduce those processes into manageable computer code so as to produce reliable forecasts 50 or 100 years into the future? At present, the only way to properly answer these questions is to compare climate model projections with real-world observations. Theory is one thing, but empirical reality is quite another. The former may or may not be correct, but the latter is always right. As such, the only truly objective method to evaluate climate model projections is by comparing them with real-world data. (more…)

“Ocean Acidification” — More Rent-seeking

Monday, November 1st, 2010

Source:  Wattsup

NGO pleads for $15 billion “ocean acidification” monitoring system

by Anthony Watts

Via Eurekalert, from the NGO Partnership for Observation of the Global Oceans (POGO), a press release that says, “panic! please send money”. Here’s the punch line:

The Foundation says the average level of pH at the ocean surface has dropped from 8.2 to 8.1 units, “rendering the oceans more acidic than they have been for 20 million years,”

Note that any pH lower than 7.0 is considered “acidic”. Distilled (pure) water has a pH of 7.0. Right now the ocean with a pH of 8.1 is considered “basic”. (more…)

Ocean Acidification Database

Wednesday, September 22nd, 2010


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In what follows, we present several graphics that help one better discern the major message and sub-messages of the data contained in our Ocean Acidification Database. These figures will be updated periodically, as the number of records in the database grows and as time permits us to redo the various analyses upon which the figures are based.

We begin by plotting in Figure 1 the percent changes in all five of the major life characteristics included in this study (calcification, metabolism, growth, fertility and survival) as functions of experimentally-orchestrated declines in seawater pH from the presently prevailing value, where each entry in our Ocean Acidification Database is represented by its own individual data point. (more…)

Ocean Acidification Research

Wednesday, August 25th, 2010

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Subject Index Summary
Ocean Acidification (Effects on Marine Animals: Shellfish): Will the shells of shellfish dissolve away in a high-CO2 world of the future?
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Journal Reviews
Some Facts About Corals and Calcification: … and how they may be impacted by the ongoing rise in the air’s CO2 concentration.

Laputans in Retreat

Friday, August 20th, 2010

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by Ray Evans

Climate: The Counter Consensus by Robert M. Carter
(Stacey International, 2010)

Bob Carter is a member of a small group of Australian scientists (although he was born in the UK and mostly educated in New Zealand) who, having attained a distinguished position in their disciplines (he is a paleo-climatologist), were willing to put their reputations on the line by speaking out against the most extraordinary fraud in the history of Western science: the fantasy that by controlling anthropogenic emissions of carbon dioxide, mankind can control global temperatures; a miraculous global thermostat.

This fantasy is so bizarre that Jonathan Swift could, using statements from today’s Royal Society without embellishment, write them into his account of the kingdom of Laputa. The citizens of Laputa lived on a cloud and threw rocks at rebellious surface cities beneath them. Using Laputa as a satire on the Royal Society, Swift portrayed the ruin brought about by the attempts by the scientists living in the clouds to impose their will on the helpless people living below them.

Bob Carter’s book is a well written account of the deep corruption of our scientific inheritance which has been central to the spread of this fantasy. It is a fantasy which has spread throughout the intellectual, political and religious elites of the English-speaking world, and which has infected key Australian institutions, notably the CSIRO, the Australian Bureau of Meteorology, and virtually all our universities. (more…)

Ocean Acidification (Effects on Marine Plants: Phytoplankton, Foraminifera) — Summary

Tuesday, July 20th, 2010

Source:  CO2 Science

Foraminifera are amoeboid protists with buy doxycycline online, doxycycline hyclate hallucinations, blepharitis doxycycline hyclate . reticulating pseudopods, i.e., fine strands of cytoplasm that subdivide into branches that merge to form a dynamic network. They are typically less than one mm in size (but can be much larger), and they produce an elaborate calcium carbonate shell called a test, which may have one or more chambers. As for their impact on the undersea marine environment, these widespread calcifying protozoa, acording to Schiebel (2002), are responsible for 32-80% of the global deep-ocean flux of calcite. Therefore, it is important to determine the degree to which various forams — as they are often called — may or may not be harmed by likely future increases in what has come to be known as ocean acidification. (more…)

Ocean Acidification (Effects on Marine Plants: Phytoplankton — Coccolithophores) — Summary

Wednesday, June 16th, 2010

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Coccolithophores are single-celled algae and protists that contain chlorophyll, conduct photosynthesis, and possess special plates or scales known as coccoliths that they produce by the process of calcification. They are found in large numbers throughout the surface euphotic zones of the world’s oceans; and we here review the results of several studies that indicate how they may fare in a CO2-enriched world of the future that is characterized by significantly altered oceanic carbonate chemistry.

Working with two previously untested coccolithophores, Calcidiscus leptoporus and Coccolithus pelagicus, which they describe as “two of the most productive marine calcifying species,” Langer et al. (2006) conducted batch-culture experiments in which they observed (1) a “deterioration of coccolith production above as well as below present-day CO2 concentrations in C. leptoporus [italics added],” and (2) a “lack of a CO2 sensitivity of calcification in C. pelagicus” over an atmospheric CO2 concentration range of 98-915 ppm, both of which observations, in their words, “refute the notion of a linear relationship of calcification with the carbonate ion concentration and carbonate saturation state.” (more…)

CO2 Science Weekly posting – June 9, 2010

Tuesday, June 8th, 2010

Source:  CO2 Science

Fighting Climate Change is “for the Birds”: Read on for further explanation.

Subject Index Summary
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Effects of Atmospheric CO2 Enrichment on Cuttlefish Eggs and Embryo Development: What are the effects? … and why are they significant?
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A 35-Year History of Caribbean Coral Reefs: How has their percent coral cover varied over the past four decades? (more…)

Effects of Elevated CO2 and Temperature on a Temperate Coral

Wednesday, June 2nd, 2010

Source: CO2 Science

by Craig Idso

  • Rodolfo-Metalpa, R., Martin, S., Ferrier-Pages, C. and Gattuso, J.-P. 2010. Response of the temperate coral Cladocora caespitosa to mid- and long-term exposure to pCO2 and temperature levels projected for the year 2100 AD. Biogeosciences buy cialis online at low prices from, an online facilitator. treat erectile dysfunction impotence when you order cialis online. 7: 289-300.

Rodolfo-Metalpa et al. (2010) write that “anthropogenic CO2 emitted to the atmosphere is absorbed by the oceans leading to decreases in pH, CO32- concentration, and the related CaCO3 saturation state (O) of seawater,” and that “as a result, coral calcification is expected to decline dramatically in the future, raising widespread concerns about the future of our oceans in a high-CO2 world (e.g. Hoegh-Guldberg et al., 2007).”

Investigating the effects of this projected decline, Rodolfo-Metalpa et al. collected three live colonies of Cladocora caespitosa in the Bay of Villefranche (Ligurian Sea, France) at about 25 meters depth in July 2006 plus three other colonies in February 2007. They divided the colonies into fragments and carefully removed single polyps that they attached to PVC plates and randomly assigned to aquariums that were continuously supplied with unfiltered seawater and maintained at ambient or elevated water temperature (T or T + 3°C) in equilibrium with air of ambient or elevated CO2 concentration (400 or 700 ppm), subjecting them to “(1) mid-term perturbations (1 month) in summer and winter conditions of irradiance and temperature, and (2) a long-term perturbation (1 year), mimicking the seasonal changes in temperature and irradiance.” (more…)

Ocean Acidification: How Bad Can it Get?

Tuesday, April 27th, 2010

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by Craig Idso

In a special issue of Oceanography published in December of 2009, Feely et al. review what we supposedly know about the current pH status of the world’s oceans, as well as what they say we can likely expect by the end of the current century.

Getting right to the crux of the matter, the three researchers write in their abstract that “estimates based on the Intergovernmental Panel on Climate Change business-as-usual emission scenarios suggest that atmospheric CO2 levels could approach 800 ppm near the end of the century,” and that “corresponding biogeochemical models for the ocean indicate that surface water pH will drop from a pre-industrial value of about 8.2 to about 7.8 in the IPCC A2 scenario by the end of this century.” And, of course, they warn that, as a result, “the skeletal growth rates of calcium-secreting organisms will be reduced,” ending with the obligatory statement that “if anthropogenic CO2 emissions are not dramatically reduced in the coming decades, there is the potential for direct and profound impacts on our living marine ecosystems.”

Figure 1. Past and projected trends of fossil-fuel carbon utilization and the atmosphere’s CO2 concentration. Adapted from Tans (2009).

Well that’s Feely et al.’s story; but in the very same issue of Oceanography — in the article that appears just before their paper, in fact — NOAA’s Pieter Tans presents a much different 2 days ago – buy estrace cream in internet moneygram fedex portugal . the survey says that in case  take on the subject. order generic atarax online no prescription, only ce Hydroxyzine without prescription (more…)