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Gary M. Lovett: Scientist, Mentor, Advocate, & Friend
… early research transformed how scientists calculate forest nitrogen budgets. He was among the first to document that dry atmospheric deposition - from particles in the air - delivered as much …
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With global challenges in mind, keeping a decades-long success story at the forefront
… along with colleagues, an analysis and summary in Atmospheric Environment of what became a national monitoring … (MAP3S) Network in 1976, and later the National Atmospheric Deposition Program (NADP) network in 1978. In all, the … the acidity, that is, the emissions of sulfur dioxide and nitrogen oxides to the atmosphere through the burning of …
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Soil carbon sequestration as a climate change solution
… a carbon-neutral activity, but not a net sink for atmospheric carbon dioxide from other sources. One reason that soil carbon sequestration is slow stems from its nitrogen and phosphorus contents, which are also lost … organic carbon. To restore these nutrient stocks requires inputs of N and P from outside sources, at considerable …
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Dr. David L. Strayer
… is a freshwater ecologist whose current work focuses on measuring the long-term effects of zebra mussels on the … understanding the roles of suspension-feeding animals in ecosystems. Strayer also works on broader issues in … of species and ecosystems. In addition to his scientific publications, Strayer has written several dozen essays for …
ltumblety - 11/10/2023 - 15:40
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In the tropics, nitrogen-fixing trees take a hit from herbivores
In the tropics, nitrogen-fixing trees take a hit from herbivores Selective feeding by insects and other animals reduces nitrogen, limits forest growth. Photo by Sarah … partnering with soil microbes, nitrogen-fixing trees turn atmospheric nitrogen gas into a form of nitrogen that is …
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Livestock antibiotics and rising temperatures disrupt soil microbial communities
… prairie, represents typical livestock pasture – without inputs from cattle waste. Soil samples were treated … microbial community composition and function, carbon and nitrogen cycling, and interactions among microbes. They … to broader climate mitigation efforts, limiting antibiotic inputs to the environment could help protect soils.” …
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In Panama, nitrogen-fixing trees unlock phosphorus and other scarce nutrients
In Panama, nitrogen-fixing trees unlock phosphorus and other scarce … Nitrogen , … that nitrogen-fixing trees work with soil microbes to make atmospheric nitrogen available to plants. Our study found …
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Ocean acidification
… certain oxidized gases, such as sulfur dioxide (SO2) and nitrogen dioxide (NO2), dissolve in water, they make it … 2020. The impacts of ocean acidification on marine ecosystems and reliant human communities. Annual Review of … calcification of marine plankton in response to increased atmospheric CO2. Nature 407: 364-367. …
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Urban greening success could be as simple as scattering seeds
… and wildlife. Here, we tested a variety of planting methods in hopes of identifying a low-cost, low-effort … way in brightening a city block. The study tested four methods of seed planting, which varied in associated cost, … three growing seasons, the team evaluated plant success by measuring the abundance, diversity, and height of planted …
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Nitrogen-fixing trees help tropical forests grow faster and store more carbon
Nitrogen-fixing trees help tropical forests grow faster and … Nitrogen , … Nitrogen-fixing plants partner with soil microbes to turn atmospheric nitrogen gas into a form of nitrogen that is …
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