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Impact of Nitrogen Deposition on Ecosystem Dynamics and Carbon Sequestration

This study analyzes the effects of varying nitrogen deposition levels on ecosystem productivity, outflow, leaf area index, and soil carbon over a 25-year period. The results show significant changes in carbon sequestration and vegetation dynamics in response to different levels of nitrogen deposition and precipitation. Daily and monthly averages provide insights into the temporal variations in net primary productivity and respiration rates.

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Impact of Nitrogen Deposition on Ecosystem Dynamics and Carbon Sequestration

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  1. more rain = big difference less rain = small difference Figure 1: Annual NPP for 5 levels of N deposition, shown with precipitation

  2. Ndep reduces outflow Figure 2: Annual Outflow for 5 levels of N deposition, shown with precipitation

  3. Figure 3: Annual Max LAI for 5 levels of N deposition over 25 yrs

  4. Figure 4: Soil Carbon for 5 levels of N deposition over 25 yrs

  5. Figure 5: Daily NPP and monthly moving averages for 5 levels of N deposition over one year

  6. Figure 6: Daily HR and monthly moving averages for 5 levels of N deposition over one year

  7. HR is ¼ of difference Diff ~ .0005 Diff ~ .002

  8. MR is ¾ of difference Diff ~ .0015 Diff ~ .002

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