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[Untitled] Ocean acidification could have broad effects on marine ecosystems ...: refers to a slight lowering of the pH of ocean water, pushing it closer to the acidic end of the scale, although it is still slightly alkaline. A small decrease in pH affects the chemical equilibrium of ocean water, reducing the availability of carbonate ions needed by a wide range of organisms to build and maintain structures of calcium carbonate.

[Untitled] UCSC researcher: Ocean acidification could have broad effects on ...: That's the message Donald Potts, a UC Santa Cruz professor of ecology and evolutionary biology -- and an expert in coral reef ecology and marine biodiversity, delivered to contemporaries in a talk on "Geobiological Responses to Ocean Acidification" at the Fall Meeting of the American Geophysical Union in San Francisco on Wednesday.

[Untitled] Ocean acidification could have broad effects on marine ... ( SAN ...: SAN FRANCISCO, CA--Concern about increasing ocean acidification has often focused on its potential effects on coral reefs, but broader disruptions of biological processes in the oceans may be more significant, according to Donald Potts, a professor of ecology and evolutionary biology at the University of California, Santa Cruz, and an expert in coral reef ecology and marine biodiversity.

[Untitled] Near-future level of CO2-driven ocean acidification radically ...: Here we predict the consequences of increased CO2 (corresponding to pH drops of 0.2 and 0.4 units) on the larval development of the brittlestar Ophiothrix fragilis, which is a keystone species occurring in high densities and stable populations throughout the shelf seas of northwestern Europe (eastern Atlantic). Acidification by 0.2 units induced 100% larval mortality within 8 d while control larvae showed 70% survival over the same period.

[Untitled] Sea Champion Picked for Ocean, Air Agency - Dot Earth Blog ...: The Humboldt Current Large Marine Ecosystem (off Chile and Peru), the Benguelan Current LME (Namibia and South Africa), the Canary Current LME (Morocco), are the other main upwelling ecosystems, all driven by similar oceanographic and atmospheric processes, all on the eastern sides of ocean basins (western sides of continents). Each of these upwelling ecosystems is defined by coastal winds that blow toward the equator, pushing surface waters away from the coast and bringing up cold, nutrient-rich waters to the surface.

Reflected tags on Technorati: Blog, Ecosystems: Blogs, Photos, Videos And More On Technorati, Tag Page For: Ocean Acidification, Tag Page For: Ocean Acidification, Tag Page For: Calcium Carbonate, Tag Page For: Chemistry, The Green Files