News tagged with acidification

Dec 01, 2009 | 4.3 / 5 (13) | 8

(PhysOrg.com) -- As the world’s seawater becomes more acidic due to rising atmospheric carbon dioxide, some shelled marine creatures may actually become bigger and stronger, according to a new study.

Global study of salmon shows: 'Sustainable' food isn't so sustainable

Nov 24, 2009 | 4.8 / 5 (4) | 1

Popular thinking about how to improve food systems for the better often misses the point, according to the results of a three-year global study of salmon production systems. Rather than pushing for organic or land-based ...

Ocean acidification may contribute to global shellfish decline

Oct 26, 2009 | 2.7 / 5 (7) | 2

Relatively minor increases in ocean acidity brought about by high levels of carbon dioxide have significant detrimental effects on the growth, development, and survival of hard clams, bay scallops, and Eastern ...

Global warming tactic cools climate but won’t help corals, say researchers

Jul 03, 2009 | 2.5 / 5 (8) | 6

(PhysOrg.com) -- “Geoengineering” experiments proposed to reduce global warming by blocking sunlight with atmosphere-injected particles may cool the world but still leave carbon dioxide levels dangerously high, Stanford scientists ...

Acidic oceans could aid photosynthesis

May 18, 2009 | 4 / 5 (1) | 3

(PhysOrg.com) -- Groundbreaking Victoria University research shows that ocean acidification may have no negative effect on tropical corals and local sea anemones - in fact it may improve photosynthesis.

Studies shed light on collapse of coral reefs (w/Video)

May 28, 2009 | 3.7 / 5 (3) | 0

An explosion of knowledge has been made in the last few years about the basic biology of corals, researchers say in a new report, helping to explain why coral reefs around the world are collapsing and what ...

Elevated water temperature and acidity boost growth of key sea star species

Jun 01, 2009 | 5 / 5 (2) | 0

New research by zoologists at the University of British Columbia indicates that elevated water temperatures and heightened concentrations of carbon dioxide can dramatically increase the growth rate of a keystone species of ...

High carbon dioxide levels cause abnormally large fish ear bones

Jun 25, 2009 | 3 / 5 (2) | 1

Rising carbon dioxide levels in the ocean have been shown to adversely affect shell-forming creatures and corals, and now a new study by researchers at Scripps Institution of Oceanography at UC San Diego has ...

Corals 'could starve in high CO2'

Oct 05, 2009 | 2 / 5 (4) | 1

(PhysOrg.com) -- As human activity pumps more and more carbon into the atmosphere, a new threat has emerged to the world's coral reefs - starvation.

The reef is one of Australia's top tourist attractions

Great Barrier Reef under serious threat: report

Sep 02, 2009 | 3.4 / 5 (10) | 1

Australia's Great Barrier Reef is in serious jeopardy as global warming and chemical runoff threaten to kill marine species and cause serious outbreaks of disease, a report warned Wednesday.

Ocean acidification: impact on key organisms of oceanic fauna

Sep 15, 2009 | 3.2 / 5 (5) | 0

In addition to global warming, carbon dioxide emissions cause another, less well-known but equally serious and worrying phenomenon: ocean acidification. Researchers in the Laboratoire d'Océanographie ...

Climate Change Seeps into the Sea

Oct 24, 2008 | 3.3 / 5 (43) | 22

(PhysOrg.com) -- Good news has turned out to be bad. The ocean has helped slow global warming by absorbing much of the excess heat and heat-trapping carbon dioxide that has been going into the atmosphere since ...

Research finds higher acidity in Alaska waters

Aug 24, 2009 | 3.1 / 5 (7) | 0

(AP) -- Erosion threatens to topple coastal Alaskan villages. Melting ice threatens polar bears. Now, a marine scientist says the state's marine waters are turning acidic from absorbing greenhouse gases faster ...

Australian scientists call for urgent 'global cooling' to save coral reefs