By Randy Boswell, Postmedia News September 9, 2011 — Canadian-led team solves biggest mystery in Earth history This map shows the orientation of the Earth’s land masses in the supercontinent Pangea, about 250 million years ago, at the time of the greatest mass extinction in the planet’s history. Photograph by:
News
Climate change impacts on marine ecosystems
Posted on EPOCA: 04 Sep 2011 In marine ecosystems, rising atmospheric CO2 and climate change are associated with concurrent shifts in temperature, circulation, stratification, nutrient input, oxygen content, and ocean acidification, with potentially wideranging biological effects. Population-level shifts are occurring because of physiological intolerance to new environments, altered dispersal patterns,
Argo Floats Help Monitor Ocean Acidity
NOAA scientists use data from some of the floats in the Argo array to monitor changes in ocean chemistry. Credit: NOAA Scientists can now remotely monitor the ocean’s changing chemistry with help from some of the five-foot-tall Argo floats that drift with deep ocean currents and transmit data via
Warming seas could smother seafood
Posted on NewScientist 08 September 2011 by Debora MacKenzie (Image: Hiroya Minakuchi/Minden Pictures/FLPA) Seafood could be going off a lot of menus as the world warms. More than half of a group of fish crucial for the marine food web might die if, as predicted, global warming reduces the amount
Abalone die-off plagues the coast
By SAM SCOTT, THE PRESS DEMOCRAT — Published: Wednesday, September 7, 2011 Dead abalone washed up onshore in Fort Ross Cove over Labor Day weekend, part of one of the worst red tides in years. Nate Buck photo. A recent explosion of plankton off the Sonoma Coast has turned lethal