Elisabeth Bui and I are chairing session 12g at Goldschmidt 2018 on co-evolution of soil and biota in the critical zone (see summary below). This year Goldschmidt is in Boston; August 12-17. We'd like to invite you to consider submitting an abstract to our session. As you can see from the session description below, we have a fairly expansive view of the topic. Please feel free to forward this email to other potentially interested colleagues. Geochemistry links above- and below-ground biodiversity through the major biogeochemical cycles in the Critical Zone. Major events in Earth's history profoundly altered these linkages. For example, the proliferation of land plants in the Devonian that dramatically changed atmospheric composition influenced biogeochemical cycles and impacted weathering and soil formation. Soil P, pH, and salinity not only control the spatial patterns of vegetation observed in old landmasses without extensive glaciation such as Australia, they play a role in the evolution of its biota. Iron, Mo, and V are cofactors in nitrogenase and thus play a role in the N cycle and consequently on the C cycle. Cr and other heavy metals are toxic contaminants for plants and animals. This session invites submissions from a broad cross-section of biologists and geochemists working on the evolution of life, co-evolution of landscapes and biosphere, adaptation
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