The US Geological Survey, John Wesley Powell Center for Analysis and Synthesis, is offering a funding opportunity to evaluate how past, current, and future scenarios of global land-use change influence global rates and spatial patterns of biological nitrogen fixation (BNF) rates on Earth This analysis
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will fill in a gap in knowledge of the global spatial distribution of land-use effects on terrestrial BNF, and how this has changed over time.
Work is expected to combine models developed that estimate global spatial BNF patterns using land-use and cover global map products available from 10,000 BCE to 2015 and make projections into the future up to 210 0. This work will map how BNF rates and overall N inputs would prevail both in the absence of land use, and their change through time per grid cell as land use has intensified.