UCI News: Economic slump, not natural gas boom, responsible for drop in CO2 emissions

Steve Davis

Irvine, Calif., July 21, 2015 – The 11 percent decrease in climate change-causing carbon dioxide emissions in the U.S. between 2007 and 2013 was caused by the global financial recession – not the reduced use of coal, research from the University of California Irvine, the University of Maryland, and the International Institute for Applied Systems Analysis shows.

New ESS publication: A simple nutrient-dependence mechanism for predicting the stoichiometry of marine ecosystems

The elemental ratios of nitrogen, phosphorus, and carbon in marine phytoplankton can diverge significantly from the “Redfield ratio,” but the underlying reasons have been hard to elucidate. As a result, global biogeochemical models often ignore this stoichiometric variability. Here we show that, hidden within the noise of a large dataset of particulate measurements, a surprisingly consistent relationship exists between community P:C and dissolved phosphate concentrations.