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Tag Archives: Phosphorus
Phosphorus dynamics – mining vs. recycling
Phosphorus is essential for sustaining humanity, because it is essential nutrient for producing food, and it is often a limiting nutrient for plant growth. Unlike nitrogen, it cannot be fixed from the air, and must be either recycled or mined. … Continue reading
Posted in Ecological Management, Ecosystem services
Tagged agriculture, Arno Rosemarin, FAO, IFDC, Jim Elser, phosphate, Phosphorus
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Aquatic Dead Zones
I’ve published several links to global maps of coastal hypoxia. Now, NASA has produced a new map of global hypoxic zones, based on Diaz and Rosenberg’s . Spreading Dead Zones and Consequences for Marine Ecosystems. in Science, 321(5891), 926-929. NASA’s … Continue reading
Posted in Ecosystem services, Visualization
Tagged agriculture, Diaz, hypoxia, map, NASA, nitrogen, Phosphorus
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Limits to Phosphorus?
People have more than doubled the global flows of phosphorus, but unlike nitrogen, the other main fertilizer, phosphorus is mined. David A. Vaccari, an engineering professor from Stevens Institute of Technology writes in Scientific American about Phosphorus Famine: The Threat … Continue reading