News tagged with soil carbon
Related topics: carbon
Arctic land and seas account for up to 25 percent of world's carbon sink
In a new study in the journal Ecological Monographs, ecologists estimate that Arctic lands and oceans are responsible for up to 25 percent of the global net sink of atmospheric carbon dioxide. Under curren ...
Space & Earth / Earth Sciences
Oct 14, 2009 |
3.1 / 5 (8) |
0
Early hominid first walked on two legs in the woods
Among the many surprises associated with the discovery of the oldest known, nearly complete skeleton of a hominid is the finding that this species took its first steps toward bipedalism not on the open, grassy ...
Other Sciences / Archaeology & Fossils
Oct 08, 2009 |
4.8 / 5 (12) |
1
A tree's response to environmental changes: What can we expect over the next 100 years?
The many environmental issues facing our society are prevalent in the media lately. Global warming, rainforest devastation, and endangered species have taken center stage. Our ecosystem is composed of a very delicate network ...
Oct 07, 2009 |
3 / 5 (3) |
0
Climate Change Triggered Dwarfism in Soil-Dwelling Creatures of the Past
(PhysOrg.com) -- Ancient soil-inhabiting creatures decreased in body size by nearly half in response to a period of boosted carbon dioxide levels and higher temperatures, scientists have discovered.
Other Sciences / Archaeology & Fossils
Oct 06, 2009 |
3.3 / 5 (9) |
3
Fertilizers may not help poorest African farmers
(PhysOrg.com) -- Researchers have linked poverty in sub-Saharan Africa with poor soil health, but two new Cornell studies find that the recommended practice of applying more fertilizer may not help the poorest ...
Sep 24, 2009 |
5 / 5 (7) |
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Life Underground Critical to Earth's Ecosystems
(PhysOrg.com) -- "I wonder if I shall fall right through the Earth!" mused Alice-in-Wonderland as she tumbled down the rabbit-hole." How funny it'll seem to come out among people that walk with their heads ...
Jul 29, 2009 |
5 / 5 (5) |
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Ozone, nitrogen change the way rising CO2 affects Earth's water
Through a recent modeling experiment, a team of NASA-funded researchers have found that future concentrations of carbon dioxide and ozone in the atmosphere and of nitrogen in the soil are likely to have an ...
Jul 09, 2009 |
3.1 / 5 (7) |
0
Super-size deposits of frozen carbon threat to climate change
The vast amount of carbon stored in the arctic and boreal regions of the world is more than double that previously estimated, according to a study published this week.
Space & Earth / Earth Sciences
Jun 30, 2009 |
4.7 / 5 (60) |
11
Biologists: Greening Arctic not likely to offset permafrost carbon release
As the frozen soil in the Arctic thaws, bacteria will break down organic matter, releasing long-stored carbon into the warming atmosphere.
May 27, 2009 |
3.1 / 5 (7) |
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Soil carbon storage is not always influenced by tillage practices
The practice of no-till has increased considerably during the past 20 yr. Soils under no-till usually host a more abundant and diverse biota and are less prone to erosion, water loss, and structural breakdown than tilled ...
Feb 25, 2009 |
not rated yet |
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The Orbiting Carbon Observatory and the Mystery of the Missing Sinks
(PhysOrg.com) -- Picture a tree in the forest. The tree "inhales" carbon dioxide from the atmosphere, transforming that greenhouse gas into the building materials and energy it needs to grow its branches and ...
Space & Earth / Earth Sciences
Jan 26, 2009 |
3.2 / 5 (5) |
2
Prairie soil organic matter shown to be resilient under intensive agriculture
(PhysOrg.com) -- A recent study has confirmed that although there was a large reduction of organic carbon and total nitrogen pools when prairies were first cultivated and drained, there has been no consistent pattern in these ...
Jan 15, 2009 |
1.8 / 5 (4) |
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Organic soils continue to acidify despite reduction in acidic deposition
Following the Clean Air Act Amendments of 1970 and 1990 acidic deposition in North America has declined significantly since its peak in 1973. Consequently, research has shifted from studying the effects of acidic deposition ...
Jan 12, 2009 |
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Displacing petroleum-derived butanol with plants
As a chemical for industrial processes, butanol is used in everything from brake fluid, to paint thinners, to plastics. According to a University of Illinois researcher, butanol made from plant material could displace butanol ...
Biology /
Jan 08, 2009 |
4.5 / 5 (2) |
1
To climate-change worries, add 1 more: Extended mercury threat
Mercury pollution has already spurred public health officials to advise eating less fish, but it could become a more pressing concern in a warmer world.
Jan 07, 2009 |
4 / 5 (4) |
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