1. Establishing Thresholds for Negative Effects on Vegetation and Soils from Marcellus Gas Production Water Open Access Author: Navitsky, Laura Olivia Title: Establishing Thresholds for Negative Effects on Vegetation and Soils from Marcellus Gas Production Water Graduate Program: Agricultural and Biological Engineering Keywords: hydraulic fracturingMarcellus Shaleproduction waterbariumchloridetotal dissolved solidselectrical conductivity File: Download Laura_Navitsky_Thesis_Final_Submission.pdf Committee Members: Herschel Adams Elliott, Thesis Advisor/Co-Advisor