Neal Earl Armstrong

• Biological countermeasures for the control of hazardous material spills
• Exchange rates for carbon, nitrogen, and phosphorus in Nueces and San Antonio Bay marshes
• Exchange rates for carbon, nitrogen, and phosphorus in the Colorado River Delta marshes
• Exchange rates for carbon, nitrogen, and phosphorus in the Trinity River Delta marshes
• Nutrient exchange studies on the seagrasses of Texas
• Nutrient regeneration from terrestrial vegetation at the Palmetto Bend Reservoir site near Edna, Texas
• Nutrient regeneration from terrestrial vegetation at the Palmetto Bend Reservoir Site near Edna, Texas
• Radioactivity transport in water-numerical solutions of radionuclide transport equations and role of plants in SR-85 transport
• The ecology of open-bay bottoms of Texas
• The role of sediments in nutrient exchange in the Lavaca Bay brackish marsh system
• Toxic materials