Significant changes in one of the Earth's most important ecosystems are not only a symptom of climate change, but may fuel further warming, research suggests.
Pink salmon that begin life in freshwater with high concentrations of carbon dioxide, which causes acidification, are smaller and may be less likely to survive, according to a new study from UBC.
Particulate matter from gasoline engines is harmful to our airways, regardless of whether the engines are a bit older or comply with recent EU standards. Fine dust particles allow pathogens to enter the lungs easier. Researchers at the University of Bern and the Paul Scherrer Institute PSI have shown this conducting a realistic laboratory experiment.
Researchers from Royal Holloway, Birkbeck and Kings College, University of London used satellite images to map abandoned shore lines around Palaeolake Mega-Chad, and analysed sediments to calculate the age of these shore lines, producing a lake level history spanning the last 15,000 years.
Over a course of 12 days Dr. Giuliana Panieri and her colleagues from Centre for Arctic Gas Hydrate, Environment and Climate (CAGE) collected images from seven areas of known methane release in the Arctic Ocean. One of them was Vestnesa Ridge, with over 1000 active seep sites at the depth of over 1000 m.
UC Irvine researchers conducted two new studies using data from NASA Gravity Recovery and Climate Experiment satellites and reported rapid draining of water in some of the large groundwater basins worldwide due to human consumption. Further, there is less or no data available on the remaining amount of water in these basins.
The rapidly rising levels of carbon dioxide in the atmosphere affect plants’ absorption of nitrogen, which is the nutrient that restricts crop growth in most terrestrial ecosystems. Researchers at the University of Gothenburg have now revealed that the concentration of nitrogen in plants’ tissue is lower in air with high levels of carbon dioxide, regardless of whether or not the plants’ growth is stimulated. The study has been published in the journal Global Change Biology.
An amendment has been approved by the Mid-Atlantic Fishery Management Council this week for the creation of “deep sea coral zones” in the Mid-Atlantic as a measure to protect deep sea corals that are vulnerable to damage from bottom-tending fishing gear. On approval from the Secretary of Commerce, the zones will be formed in the regions where corals have been widely found or likely to be present.
As the climate warms, glaciers and other terrestrial ice reservoirs will release massive amounts of organic carbon into the water circulation. Just how much and how quickly it will be released is the focus of a recent Nature Geoscience publication.
As the ocean absorbs atmospheric carbon dioxide (CO2) released by the burning of fossil fuels, its chemistry is changing. The CO2 reacts with water molecules, lowering the ocean's pH in a process known as ocean acidification. This process also removes carbonate ions, an essential ingredient needed by corals and other organisms to build their skeletons and shells.
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