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From Micro to Macro: A view from downstream

From Micro to Macro: A view from downstream A synthesis of MeHg science from the Yolo Bypass and SFB-Delta. Modified from Parks et al. Science 2013. Lisa Windham-Myers 9/26/13 EPA Workshop, San Francisco, CA. MeHg. Tributary MeHg. Agricultural Lands / Delta Islands. Urban & WWTPs.

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324 views • 21 slides

THE DIRT ON SOIL

THE DIRT ON SOIL. The unknown ecosystem. A recipe for soil. Start with rocks and minerals Weather into small pieces Add organic materials (humus) Add water and air. Soil forms by weathering (minerals) and decomposition (humus). Be patient!.

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519 views • 17 slides

Dirt I

Dirt I. The Abiotic Side of Soil. Soils. Soils divided into horizons: Topsoil A horizon - Dark loam, with more organic material than lower layers E horizon - Light loam B Horizon - Subsoil More clay, lighter in color C Horizon - Parent material. Soil profile. How do we get soil?.

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322 views • 16 slides

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Silty soils - PowerPoint PPT Presentation

From Micro to Macro: A view from downstream

THE DIRT ON SOIL

Dirt I