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  1. 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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  2. 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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  3. 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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  4. 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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  5. 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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  6. 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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  7. 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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  8. 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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  9. 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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  10. '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 …