introducing spa - iisd.org · • dr james elser (director) • research professor, school of life...
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• Dr James Elser (Director)• Research Professor, School of Life Sciences, Arizona State University
Introducing SPA
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What are we?
• The Sustainable P Alliance is a members organization that exists to catalyze the implementation of technical, organizational, and institutional innovations to advance phosphorus sustainability in North America.
Current Members / Founders
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Who are we?
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Our mission
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What we do
• Facilitate networking among diverse players from across the phosphorus value chain via knowledge sharing events.
• Annual conference on phosphorus sustainability (Phosphorus Forum)• Technical webinar series on current issues in P sustainability• Quarterly newsletter, blog, and social media (twitter: @SustainP)
• Orchestrate working groups, including our just-launched Biosolids and Manure Task Force.
• Provide technical input on metrics development (e.g. TSC, WEF) and research prioritization (e.g. TWRF)
• Represent the North American P-sustainability community both within other N. American organizations and within the global collective of P-sustainability platforms (e.g. ESPP)
• Offer a branding opportunity to organizations working in the vanguard of phosphorus sustainability.
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The Phosphorus Challenge / The Phosphorus Opportunity
Photos: foundationfar.org, via @rww, The Detroit News
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Suh-Yee SFA for the Food System in the USA
Phosphorus use-efficiency of agriculture and food system in the US, Sangwon Suh, Scott Yee, Chemosphere 84 (2011) 806–813. Modified Figure 2, data from Table 1.
37731291
-267
219339
389
489
1810
266
404
67
351
3771
672
920
607
106
748
54 206
347
973
377
171121
422
2
96
27921
Food ingested = 13.4% of
Mining + Imported PR- All exports
- Non-food uses
Manure = 20.3% of
Mining + Imported PR- All exports
- Non-food uses
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Soil P tests in USA/Canada
In Great Lakes states (+ Ontario), the majority of soil P tests are ABOVEcritical levels.
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Imbalanced production and use of P
Jarvie, H. P., A. N. Sharpley, D. Flaten, P. J. A. Kleinman, A. Jenkins, and T. Simmons. 2015. The Pivotal Role of Phosphorus in a Resilient Water–Energy–Food Security Nexus. J. Environ. Qual. 44:1049-1062. doi:10.2134/jeq2015.01.0030
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Want to help with this cause? Join us!
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PhosphorusAlliance.org