Posted on EPOCA: 08 Aug 2011 — Highlights ► Hypercapnia exposed sea urchins did not compensate for an internal acidification. ► This internal acidosis increased in intensity with decreasing environmental pH. ► This was similar to P. miliaris despite marked differences in seawater carbonate. This study highlights the need for
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[Oyster_seed_group] Aug 6, 2011 Willapa Oyster Bulletin
By Alan Trimble — Oyster_seed_group mailing list Oyster_seed_group@lists.oregonstate.edu http://lists.oregonstate.edu/mailman/listinfo/oyster_seed_group Oyster Bulletin No. 3 – 6 August 2011 We sampled for larvae on Tuesday 2 August (afternoon high tide) and Friday 5 August (morning high tide). Water temperatures have been steady over the past week, given the calm conditions with cloud
Calcifying microalgae are witnesses of increasing ocean acidification
Posted on EPOCA: 04 Aug 2011 For the first time researchers have examined on a global scale how calcified algae in their natural habitat react to increasing acidification due to higher marine uptake of carbon dioxide. In the current issue of the magazine Nature they explain that Coccolithophores, a
The physiology of global change: Linking patterns to mechanism
Posted on EPOCA: 04 Aug 2011 Global change includes alterations in ocean temperature, oxygen availability, salinity, and pH, abiotic variables with strong and interacting influences on the physiology of all taxa. Physiological stresses resulting from changes in these four variables may cause broad biogeographic shifts as well as localized changes
Oceanography: Forecasting the rain ratio
Another reference to the Nature article posted on EPOCA 04 Aug 2011 Sensitivity of coccolithophores to carbonate chemistry and ocean acidification Marine algae known as coccolithophores produce much of the ocean’s calcium carbonate. A large survey reveals how these organisms’ calcification processes and species distribution change in response to