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  • Analysis of aboveground biomass in longleaf pine forests in southeast United States, 2015 to 2019
  • Fatunsin, Olufemi Ebenezer; Graduate Student; University of Alabama
  • 2024-08-02
  • Fatunsin, O.E. 2024. Analysis of aboveground biomass in longleaf pine forests in southeast United States, 2015 to 2019 ver 1. Environmental Data Initiative. https://doi.org/DOI_PLACE_HOLDER (Accessed 2024-12-27).

  • I obtained inventory data from the USDA Forest Inventory and Analysis (FIA) program, covering 1999 to 2022, focusing on eight southeastern states in the U.S. (Alabama, Mississippi, Florida, Georgia, North Carolina, South Carolina, Texas, and Louisiana). For this study, I filtered the data for 2015-2019, during which the FIA captures 20% of plots in each state annually. Using R, I converted aboveground biomass (AGB) from pounds to kg/ha, tree height from feet to meters, and diameter at breast height (DBH) from inches to centimeters to align with the metric system. Structural diversity of tree height and diameter was calculated using the Shannon diversity index based on tree height and diameter classes. Climate data from PRISM and soil carbon to nitrogen data from the World Soil Database were integrated with the FIA data using the nearest neighbors method in the SF package in R. The combined dataset was standardized for Structural Equation Modeling (SEM) analysis.

  • N: 36.5881      S: 24.3963      E: -75.4606      W: -106.6456
  • edi.1740.1  (Uploaded 2024-08-02)  
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  • DOI PLACE HOLDER
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