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What A Week It Was: Apocadocuments from
View By Scenario:
Species Collapse:(5)
Plague/Virus:(3)
Climate Chaos:(17)
Resource Depletion: (6)
Biology Breach:(9)
Recovery:(11)
This Week's Top Ten Very Scary Tags:
global warming  ~ climate impacts  ~ smart policy  ~ carbon emissions  ~ ocean acidification  ~ ecosystem interrelationships  ~ toxic water  ~ alternative energy  ~ technical cleverness  ~ sustainability  ~ unintended consequences  



ApocaDocuments (5) matching "ocean acidification" from this week
[see full week] ~ [see all stories tagged "ocean acidification"]
Thu, Feb 26, 2009
from The Daily Climate:
Saving the oceans: 'Mission Possible'
...[oceanographer and coral reef geologist Jeonie] Kleypas is one of the world's experts on the effects of climate change on the world's coral reefs, testifying to Congress and presenting papers around the world. She believes that societies must immediately and drastically reduce worldwide carbon emissions, but is also training her research to see if there are ways "to bolster coral reef health so they can weather the climate crisis."....Like many scientists, she struggles to find ways to impart the importance of biodiversity to humans in ways both poetic and prosaic. Losing a third of the coral species on a reef, she says, "is like losing a third of the colors from a Van Gogh painting." Reaching for a different demographic, she adds, "The loss of biodiversity is like having a football team with only tight ends." ...


Or maybe it's like losing all the vowels from the word " p c l ps ."

ApocaDoc
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Wed, Feb 25, 2009
from Courier-Mail (Australia):
Human activity seen as a threat to marine echinoderms
CREATURES are falling victim to human activities, and scientists say it could interfere with the evolutionary process and lead to extinctions. Known as echinoderms, the species are essential for keeping ecosystems healthy and if their populations either crash or multiply, degraded seascapes may result.... "Each of these 28 cases was experiencing difficulties because of human activity, including over-fishing, nutrient run-off from the land, species introductions and climate change," Dr Uthicke said. "We suggest that human-induced disturbance, through its influence on changes to echinoderm population densities, may go beyond present ecosystems impacts and alter future evolutionary trends." In the Caribbean, sea urchins have died off and on the Great Barrier Reef an over-fished sea cucumber area closed six years ago has not recovered. ...


Starfish, sea urchins, sand dollars, even sea cucumbers -- all the cute sea critters. Time for a save-the-echinoderms campaign?

ApocaDoc
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Tue, Feb 24, 2009
from AAAS:
Dwindling Resources of Soil, Water and Air Require 'CDC for Planet Earth'
In her plenary address to the 2009 AAAS Annual Meeting, Kieffer called for the creation of a "CDC for Planet Earth"--an organization that could respond to planetary threats such climate change with the same kind of coordination the U.S. Centers for Disease Control and Prevention showed during the SARS and bird flu outbreaks of the late 1990s.... Ocean acidification, spreading deserts, dry aquifers and degraded soils are stealth disasters, altering the planet in ways that "will undermine our survival and evolution into the civilized global society that we might become," warned Kieffer.... And for the first time in history, "societies of the whole planet are so interconnected that Planet Earth is essentially one island," where the stealth disasters of one region can become a crisis for the whole globe, she suggested. ...


It doesn't take a genius to figure this stuff out -- heck, we did!

ApocaDoc
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Tue, Feb 24, 2009
from Science Alert (Australia):
Warm oceans slow coral growth
It's official: the biggest and most robust corals on the Great Barrier Reef (GBR) have slowed their growth by more than 14 per cent since the "tipping point" year of 1990. Evidence is strong that the decline has been caused by a synergistic combination of rising sea surface temperatures and ocean acidification.... "It is cause for extreme concern that such changes are already evident, with the relatively modest climate changes observed to date, in the world's best protected and managed coral reef ecosystem," according to AIMS scientist and co-author Dr Janice Lough.... "The data suggest that this severe and sudden decline in calcification is unprecedented in at least 400 years," said AIMS scientist and principal author Dr Glenn De'ath. ...


I don't wanna hear no scientists saying "severe and sudden" or "extreme concern" about anything.

ApocaDoc
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Mon, Feb 23, 2009
from American Chemical Society:
Off-Balance Ocean
Marine scientists who have measured the pH of the ocean's surface waters for decades see that it has been dropping. They say that the pH is currently about 8.1, down from about 8.2 in the 18th century. If CO2 emissions continue at current rates, they expect the pH to fall by approximately 0.3 more units in the next 50-100 years. And as the ocean becomes more acidic, scientists anticipate myriad changes to the ocean's chemistry.... For example, almost all reaction rates are pH dependent, so acidification may change processes in the ocean ranging from enzyme activity to the adsorption of metals onto particle surfaces in seawater... Many sea organisms without shells, such as anemones and jellyfish, may be especially susceptible to even the smallest changes in ocean pH because their internal pH tends to vary with that of the surrounding seawater. These organisms cannot actively regulate their internal pH as mammals do. ...


ApocHaiku:
we apologize
that our carbon bootprint now
tramples the ocean


ApocaDoc
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