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Gary M. Lovett: Scientist, Mentor, Advocate, & Friend
… budgets. He was among the first to document that dry atmospheric deposition - from particles in the air - … to control nitrogen, and how this regulates forest growth, carbon sequestration, and nitrogen pollution to streams. … and the state of the world through the Science Policy Exchange. He was a great colleague and creative leader. …
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Ocean acidification
Ocean acidification The rising carbon dioxide content of Earth’s atmosphere will take an … calcification of marine plankton in response to increased atmospheric CO2. Nature 407: 364-367. …
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Living with wildfire: Q&A with Winslow Hansen, Forest Ecologist
… Smoke produced from these fires is carried south by atmospheric circulation patterns. The unhealthy air … catastrophic fire in forests that previously only had low-severity surface fires. The Big … timescale, and it will have implications for biodiversity, carbon storage, and even water availability. Shrublands …
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Beech Bark Disease
… vulnerable to infection by wood-rotting fungi and damage by wind and ice. Map of presence of the … is lacking. Evidence of disease resistance There is a low level of natural resistance to beech bark disease in the … and J. M. Griffin. 2010. Long-term changes in forest carbon and nitrogen cycling caused by an introduced …
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Soil carbon sequestration as a climate change solution
Soil carbon sequestration as a climate change solution … loss is roughly equivalent to 12 years of today’s carbon dioxide emissions from fossil fuel combustion. Some have … a carbon-neutral activity, but not a net sink for atmospheric carbon dioxide from other sources. One reason …
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Hydrogen fuels
… With this approach, producing hydrogen is responsible for carbon dioxide added to Earth’s atmosphere. Only if the hydrogen … bubbles in Antarctic ice. When the concentration of an atmospheric gas is changing, we must look to both changing …
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Livestock antibiotics and rising temperatures disrupt soil microbial communities
… could impair soils’ ability to cycle nutrients and trap carbon Research assistant Peter Hoch collects prairie … Soil samples were treated with either a high dose, low dose, or no dose of the antibiotic; these were heated at … would become trapped in the soil. Instead, more carbon dioxide is released into the atmosphere as a gas. This …
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Measuring the moisture in forest soils from space
… wildlife and ecosystems. It also controls water and heat exchange between the Earth and atmosphere – processes that … which is an important indicator for growing season and carbon cycling. Sensors housed in … over landscapes dominated by grasslands, crops, and other low-growing vegetation. However, much of the Earth’s …
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Nitrogen-fixing trees help tropical forests grow faster and store more carbon
… trees help tropical forests grow faster and store more carbon Planting fixers could benefit … Nitrogen-fixing plants partner with soil microbes to turn atmospheric nitrogen gas into a form of nitrogen that is … countries could sequester an additional 6.7Gt of carbon dioxide over the next 20 years. To give that number some …
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'One Mississippi...' How lightning shapes the climate
… in tropical forests, lock away a huge share of the planet's carbon. As those trees die and decay, the carbon leaks into the atmosphere and contributes to global … , quantitative ecologist Helene Muller-Landau , and atmospheric physicists Phillip Bitzer and Jeff …