sir-ecology

Code and data analysis for a student research project about invasive species from 2016-2018

NPN Oak Analysis

npnOakMap.R

• Creates a map of the United States with the locations of the most common oak species in the NPN database
• Data obtained from NPN in February 2017

rubraShapeFileMap.R

• Creates a map of the locations of a single Quercus rubra from NPN and overlays the map with a shapefile from USGS that shows the native range of Q. rubra.
• Data and shapefiles obtained in February 2017

albaShapeFileMap.R

• Creates a map of the locations of a single Quercus alba from NPN and overlays the map with a shapefile from USGS that shows the native range of Q. alba.
• Data and shapefiles obtained in February 2017

velutinaShapeFileMap.R

• Creates a map of the locations of a single Quercus valutina from NPN and overlays the map with a shapefile from USGS that shows the native range of Q. velutina.
• Data and shapefiles obtained in February 2017

Invasive Species Phenology Experiment Data Analysis

shrubgraphs.R

• Creates boxplots of the dates of phenophase activity (such as leaf observed, fruit observed, etc) for the native species Rubus allegheniensis and the invasive species Lonicera maackii and Rhamnus cathartica.
• Runs t-tests and ANOVAs on data trends
• All data obtained through a field experiment from March 2017 to November 2017