The tiny phytoplankton Emiliania huxleyi, invisible to the naked eye, plays an outsized role in drawing carbon from the atmosphere and sequestering it deep in the seas. But this role may change as ocean water becomes warmer ...
Earth Sciences
Oct 13, 2011
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0
Climate change and human activities, including heat emission, nitrogen (N) emission and water management, are altering the hydrothermal condition and N transport in the soil and river systems, thereby affecting the global ...
Earth Sciences
Oct 12, 2020
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100
Nitrite-oxidizing bacteria are key players in the natural nitrogen cycle on Earth and in biological wastewater treatment plants. For decades, these specialist bacteria were thought to depend on nitrite as their source of ...
Cell & Microbiology
Aug 29, 2014
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New research emphasizes the previously underestimated significance of atmospheric ON aerosol depositions on ecosystems. Additionally, the ecological effects of ON aerosol depositions are anticipated to increase due to global ...
Environment
Oct 13, 2023
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7
(Phys.org)—Warmer climates won't necessarily speed the return of nitrogen to soils as scientists once thought, according to a Purdue University study.
Environment
Nov 1, 2012
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0
Those concerned with the health of Chesapeake Bay are familiar with nitrogen as a major pollutant whose excess runoff into bay waters can lead to algal blooms and low-oxygen dead zones. Perhaps less familiar is the significant ...
Environment
Jan 16, 2017
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20
SUP05 bacteria are often found in places where there is really no basis for life for them. Researchers in Bremen have now discovered that they are even quite active there – possibly with consequences for the global nitrogen ...
Cell & Microbiology
May 4, 2018
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65
A new model suggests that inhospitable hydrodgen-sulphide rich waters could have delayed the spread of complex life forms in ancient oceans.
Earth Sciences
Feb 28, 2013
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0
As ice sheets melted during the deglaciation of the last ice age and global oceans warmed, oceanic oxygen levels decreased and "denitrification" accelerated by 30 to 120 percent, a new international study shows, creating ...
Earth Sciences
Jun 3, 2013
0
0
Human actions—mostly burning of biomass and fossil fuels—have dramatically altered the global nitrogen cycle, affecting natural habitats and contributing to acid rain.
Environment
Aug 25, 2021
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